5. 1
SOPHO iS3000 Series (SIP@Net) -
Maintenance Manual Part 3 (Board
Interfaces & Strap Settings)
Release date : 01/Oct/2007
6. 2
AMENDMENTS
The items that follow are incorporated in the update of this manual from issue 0301 to 0307:
CHAPTER/
SECTION
DESCRIPTION
12. "IN SYSTEM
GATEWAY"
ISG added.
The items that follow are incorporated in the update of this manual from issue 0502 to 0603:
CHAPTER/
SECTION
DESCRIPTION
6.8. "DTU-G" DTU-G added.
The items that follow are incorporated in the update of this manual from issue 0603 to 0811:
CHAPTER/
SECTION
DESCRIPTION
2.7. "ALC-GM/GD" ALC-GM/GD added.
7. 3
PREFACE
This manual is valid for SOPHO SIP@Net (previously known as Call@Net), running on all
ISPBX models of the SOPHO iS3000 Series. All of these systems will further be referred to as
"ISPBX".
This manual describes the interface connectors, DIL switch and strap settings of the printing
wiring boards used in the various ISPBXs.
NOTICE TO THE USER
Unless stated otherwise (in text and figures), the term :
- ALC-G represents the ALC-G, ALC-GP or ALC-G(R).
- DTX-I represents the DTX-I or DTX-I(R).
- PMC represents the PMC-HR, PMC-MC or PMC-G :
- PMC-HR represents the PMC-HR or PMC-G (with NCC-HR).
- PMC-MC represents the PMC-MC or PMC-G (with or without NCC-MC).
- DTU-PH represents the DTU-PH or DTU-G.
- DTU-PU represents the DTU-PU or DTU-G.
- CPU3000 represents the CPU3000 or CPU4000.
For more details of the CPU4000, see the Customer Engineer Manual “How to install the
CPU4000 (including upgrade)“.
8. 4
1. INTRODUCTION
A number of boards in the ISPBX system have DIL switches and/or straps, which have to be
set in the correct position during installation or replacement of the boards. This chapter
contains all the boards which do have those switches/straps. Also directions are given how to
set those switches/straps to suit a particular mode of application. In general the PCT boards
have more than one circuit mounted; so in that case the switches/straps have to be set for each
circuit individually.
9. 5
2. ANALOGUE LINE CIRCUITS
2.1. ALC-A/B
An ALC-A/B provides the 2-wire line interface between an analogue extension and the ISPBX;
see the figure below. The ALC-A board has 8 of those interfaces (circuits).
ISPBX
ALC
Extension line
MDF
Extension
Figure 2-1 ALC Interfaces
The a/b wires of the ALC-A/B are connected to the MDF via front connector FBC.
117
317
FBC
124
a0
b0
a1
b1
a2
b2
a3
b3
a4
b4
a5
b5
a6
b6
a7
b7
a0......7 : a-wires for extension lines 0....7
b0......7 : b-wires for extension lines 0....7
Figure 2-2 Layout Front Connector FBC
2.2. ALC-E
An ALC-E provides the 2-wire line interface between an analogue extension and the ISPBX.
The ALC-E board has 16 of those interfaces (circuits).
It is possible to use only eight of the ALC-E circuits by means of strap X1-1. In this way an
ALC-E can also be used as an ALC-A.
The strap is drawn in position 101-102 for 16 ALC-E circuits: for 8 ALC circuits the strap must
be placed in position 102-103.
10. 6
Mark
BP
BB
FAD
FCA
X1-1
103 101
Figure 2-3 Strap Location
The a/b wires of the ALC-E are connected to the MDF via front connectors FAD & FCA.
11. 7
125
325
FAD
132
a0
b0
a1
b1
a2
b2
a3
b3
a4
b4
a5
b5
a6
b6
a7
b7
a0......15 : a-wires for extension lines 0....15
b0......15 : b-wires for extension lines 0....15
101
301
FCA
108
a8
b8
a9
b9
a10
b10
a11
b11
A12
b12
a13
b13
a14
b14
a15
b15
Figure 2-4 Layout Front Connector FAD & FCA
2.3. ALC-F
An ALC-F provides the 2-wire line interface between an analogue extension and the ISPBX.
The ALC-F board has 16 of those interfaces (circuits).
The ALC-F is dedicated for analogue 'hotel' extensions with message waiting indication.
The software determines the transmission plan for the ALC-F and the use of polarity reversal
(for message waiting indication).
12. 8
Mark
BP
BB
FAD
FCA
X1-2
103
102
101
X2-1
201 101
202 102
203 103
204 104
Figure 2-5 Strap Locations on the ALC-F board
Strap X1.2 determines whether the ringing current is balanced or unbalanced:
- 101-102 = ringing current unbalanced (default setting for hotel extensions).
- 102-103 = ringing current balanced.
Straps on position X2.1 are used to determine the transmission plan; see the table below.
13. 9
TRANSMISSION PLAN STRAP X2.1
204-104 203-103 202-102 201-101
01 = International - - - - - - - - - Installed
02 = Germany - - - - - - Installed - - -
03 = UK - - - - - - Installed Installed
04 = Belgium - - - Installed - - - - - -
05 = Not Used - - - Installed - - - Installed
06 = Austria - - - Installed Installed - - -
07 = Sweden - - - Installed Installed Installed
08 = France Installed - - - - - - - - -
0K = South Africa Installed - - - - - - Installed
0A = Not Used Installed - - - Installed - - -
0B = The Netherlands Installed - - - Installed Installed
0C = Spain Installed Installed - - - - - -
0D = Italy Installed Installed - - - Installed
0E = Switzerland Installed Installed Installed - - -
0F = China Installed Installed Installed Installed
Table 2-1 Strap Settings for ALC-F
The a/b wires of the ALC-F are connected to the MDF via front connectors FAD & FCA.
125
325
FAD
132
a0
b0
a1
b1
a2
b2
a3
b3
a4
b4
a5
b5
a6
b6
a7
b7
a0......15 : a-wires for extension lines 0....15
b0......15 : b-wires for extension lines 0....15
Figure 2-6 Layout Front Connector FAD & FCA
101
301
FCA
108
a8
b8
a9
b9
a10
b10
a11
b11
A12
b12
a13
b13
a14
b14
a15
b15
14. 10
2.4. ALC-G
An ALC-G provides the 2-wire line interface between an analogue extension and the ISPBX.
The ALC-G replaces all versions of the ALC-E and ALC-F. It can not be used instead of the
ALC-A.
The ALC-G is a board with 16 interfaces (circuits). Connectors are fitted to the board for a
possible future extension board. The hardware is designed in such a way that the adjustment
range of the transmission characteristics matches with the currently known country
requirements. The maximum line current is 35 mA and reverse polarity is supported.
Note: The line polarity of the ALC-A and the ALC-E is the opposite of the line polarity of the ALC-F
and the ALC-G.
Two packages can exist on a card, an initial and a downloaded package. The initial package is
factory-installed and can only be modified in the factory.
PPU systems and systems of PMC release < or equal 405.08/505.08 only use an initial package
on the board, even if another package is downloaded. The transmission plan is set by means
of the DIL-switches.
As from SSW 805.28 and PMC packages 405.10/505.10,. the ALC-G uses only the
downloaded package. In this case the DIL-switches are not used for the transmission plan.
Without downloading, the card can be used on SSW 640/SSW2xx/SSW300/SSW7xx/SSW8xx
up to PMC 405.08/505.08 (and not with PMC 405.09/505.09).
• Transmission Plans
An ALC-G board can simultaneously contain two downloaded transmission plans, each
circuit can have either one of these transmission plans. The transmission plan is specified
with the bytes 13 and 14 of signalling group 32xx. When bytes 13 and 14 are 0 (default),
then the used transmission plan is specified with the bytes 33 and 34 of signalling group
9800. Bytes 33 and 34 are 1 by default.
A circuit can alternate between the two downloaded transmission plans.
Example:
Byte 13 of signalling group 3205 = 3 (English), transmission plan A.
Byte 14 of signalling group 3205 = 1 (International), transmission plan B.
Bit 4 of sigalling group 3205 = 0, so 3205 uses plan A
Bit 4 of signalling group 3204 = 1, so 3204 uses plan B
Bit 4 of signalling group 3210 = 0, so 3210 uses plan A.
ASBRDS:11,1,6,3205,35;all circuits have plan A.
CHPCTB:11,1,12,3204;only circuit 12 uses plan B.
15. 11
CHPCTB:11,1,15,3210;circuit 15 uses plan A.
• Signalling Parameters
Signalling parameters are downloaded for all circuits on an ALC-G board, two of these
signalling parameters are projectable for each individual circuit: on/off hook debouncing
and ground key debouncing time.
208 201
108 101
X2-4
Green
101 108
Figure 2-7 LED and Connector Locations on the ALC-G
The ALC-G has two LEDs; the meaning is given in the table below.
Mark
BP102
BB
Factory test
X2-5
X2-2
X2-3
X2-1
Red
LEDs
201 208
108 101
201 208
201 101
208 108
208 201
101 108
On
Off
S1-1
FBA
FBD
8 1
16. 12
MEANING LEDS
GREEN RED
No power Off Off
Internal test is active Off On
Internal test failure Off Blinking
Waiting for initialisation from PMC On On
SW package and parameter downloading or SW
package deleting
On Blinking
Operational On Off
Table 2-2 LEDs on ALC-G
Country characteristics can be set with the 8 DIP switches of S1. All DIP switch settings not
listed should not be used.
17. 13
TRANSMISSSION PLAN PMC INDEX SWITCH S1.
8 7 6 5 4 3 2 1
Initialisation by PMC 0 0 0 0 0 0 0 0
1 International (600 Ohm) 01 0 0 0 0 0 0 0 1
2 Germany 02 0 0 0 0 0 0 1 0
3 UK 03 0 0 0 0 0 0 1 1
4 Belgium 04 0 0 0 0 0 1 0 0
5 Denmark 05 0 0 0 0 0 1 0 1
6 Austria 06 0 0 0 0 0 1 1 0
7 Sweden 07 0 0 0 0 0 1 1 1
8 France 08 0 0 0 0 1 0 0 0
B Netherlands 0B 0 0 0 0 1 0 1 1
C Spain 0C 0 0 0 0 1 1 0 0
D Italy 0D 0 0 0 0 1 1 0 1
E Switzerland 0E 0 0 0 0 1 1 1 0
F China 0F 0 0 0 0 1 1 1 1
K South Africa 13 0 0 0 1 0 0 1 1
M Brazil 15 0 0 0 1 0 1 0 1
3' New Zealand 17 0 0 0 1 0 1 1 1
2' Czech Republic 18 0 0 0 1 1 0 0 0
TBR
38_00
Li = 0.0 dBr / Lo = - 5.0 dBr 19 0 0 0 1 1 0 0 1
TBR
38_00
Li = 0.0 dBr / Lo = - 7.0 dBr 1A 0 0 0 1 1 0 1 0
TBR
38_00
Li = 3.7 dBr / Lo = - 5.3 dBr 1B 0 0 0 1 1 0 1 1
3 (special) UK 1C 0 0 0 1 1 1 0 0
1=ON; 0=OFF.
Table 2-3 DIP Switch Settings on the ALC-G
Connector blocks X1.1 and X2.1 up to X2.5 are not relevant (for future use) in the
18. 14
operational state of the board.
The a/b wires of the ALC-G are connected to the MDF via front connectors FBA & FBD.
101 301 125 325
a8
b8
a9
b9
a10
b10
a11
b11
a4
b4
a5
b5
a6
b6
a7
b7
FBA FBD
a0
b0
a1
b1
a2
b2
a3
b3
108 308 132 332 b15
a0 … 15: a-wires for extension lines 0 … 15
b0 … 15: b-wires for extension lines 0 … 15
a12
b12
a13
b13
a14
b14
a15
Figure 2-8 Layout Front Connector FBA & FBD
2.5. ALC-GP
The ALC-GP board (ALC-General Protected, 12NC: 9600 040 28000) has the same
functionality as the ALC-G except for a protection circuit per line to fulfil the requirements for
the Chinese market (YD/T 950-1998). These requirements include the ITU-T K.20:1996
recommendation.
2.6. ALC-G(R)
The ALC-G(R) is the redesigned version of the ALC-G and ALC-GP.
The ALC-G(R) has the same functionality as the ALC-GP : it provides the 2-wire line interface
between an analogue extension and the ISPBX.The board contains 16 interfaces (circuits). The
ALC-G(R) replaces all versions of the ALC-G and ALC-GP. It can not be used instead of the
ALC-A. See the description of the ALC-G for more details of the LEDs, connectors and DIP
Switch Settings.
19. 15
2.7. ALC-GM/GD
The ALC-GM/GD replaces all versions of the ALC-E, ALC-F and ALC-G/GP/G(R).
See the description of the ALC-G for more details of the LEDs, connectors and DIP Switch
Settings.
The ALC-GM/GD provides the 2-wire line interface between an analogue extension and the
ISPBX :
- the ALC-GM is a mother board with 16 interfaces (circuits).
- the ALC-GD is a daughter board with 16 interfaces (circuits).
When the daughter board (ALC-GD) is present on the mother board (ALC-GM), the
combination offers 32 interfaces in total.
The ALC-GM fits in a PM2500 shelf just like an ALC-E or ALC-F (all 16 circuits). However the
combination ALC-GM plus the daughter board ALC-GD is mechanically to wide to fit in a
PM2500 board position.
Note that the ALC-G/GP/G(R) can not be used as a motherboard to mount the ALC-GD
daughterboard !!!
Projecting aspects :
- the ALC-GM with the daughter board ALC-GD has to be projected as one ALC with 32
circuits, board type 59 and signaling group 321C.
- the ALC-GM without the daughter board ALC-GD has to be projected as one ALC with
16 circuits, board type 6 and signaling group 3205 or 3210.
- signalling group 321C is supported from PMC packages 405.10.01 en 505.10.01 and all
PMC-G 810 packages.Board type 59 is supported from SW805.28 onwards.
20. 16
208 201
108 101
X2-4
LEDs
Green
101 108
crt 31
crt 24
Figure 2-9 LED and Connector Locations on the ALC-GM/GD
Mark
BP102
BB
Factory test
X2-2
X2-3
X2-1
Red
201 208
108 101
201 208
208 201
101 108
On
Off
S1-1
FBA
FBD
8 1
FAB
FCC
crt 0
crt 7
crt 8
crt 15
crt 23
crt 16
Connector on
daughter board
Connector on
daughter board
22. 18
3. KEY TELEPHONE LINE CIRCUITS
3.1. KTLC01/02/03
The KTLC provides a 4-wire interface between up to 8 SOPHO SETs of the K series (K160,
K260, K261, K365) and the ISPBX. The a/b wires are used for voice; the c/d wires are used
for control information from/to the SOPHO SET.
All four wires are connected to the MDF via front connectors FBA & FBD.
301
c0
d0
c1
d1
c2
d2
c3
d3
a4
b4
a5
b5
a6
b6
a7
b7
a0......7 : a-wires for extension lines 0....7
b0......7 : b-wires for extension lines 0....7
c0......7 : c-wires for extension lines 0.....7
d0......7 : d-wires for extension lines 0....7
101
FBA
108
a0
b0
a1
b1
a2
b2
a3
b3
125
325
FBD
132
c4
d4
c5
d5
c6
d6
c7
d7
Figure 3-1 Layout Front Connector FBA & FBD
There are two types of KTLCs: the 8 circuits per board versions with a fixed transmission plan
and the 8 circuits per board version with a software selectable transmission plan.
The fixed transmission plan KTLCs are:
- KTLC01 :according to transmission plan 01 (e.g. required for the Netherlands);
- KTLC02 :according to transmission plan 02 (e.g. Germany);
- KTLC03 :according to transmission plan 03 (e.g. United Kingdom).
The software selectable transmission plan KTLC is KTLC-A: transmission plan set by the
signalling block. The transmission plans supported by the KTLCs can also be used in other
countries next to the ones listed above.
The KTLC to be used in a specific country depends on the local transmission plan. The
transmission levels of the various KTLC boards are selected by means of strap settings; see
figurefor the location of the straps.
23. 19
• Strap X1.1
The straps of X1.1 are used to set the mode of operation of the KTLC; see the table
below. For normal operation of the key telephones, all straps of X1.1 must be installed.
MODE OF OPERATION X1.1
Normal Operational Mode (strapped in
factory)
Debug Test Mode Inst. Inst. - Inst. Inst.
Terminal Communications Test - Inst. Inst. Inst. Inst.
Loopback Test: Control - to Terminal
Processor
Loopback Test: Control Processor to PPU - - Inst. Inst. Inst.
Table 3-1 KTLC Mode of Operation
• Strap X2.1
101-
201
102-
202
103-
203
104-
204
105-
205
Inst. Inst. Inst. Inst. Inst.
- Inst. - Inst. Inst.
This strap is used to connect or disconnect the back-up battery of the memory circuits on
the KTLC board. With the battery connected these circuits retain user-defined data during
a system power failure. User defined data is also retained when the board is removed from
the shelf, but only if the shelf has been powerless during removal!
User defined data is not retained when the board is removed from the system.
- operation with battery back-up (normal operation):strap on position 101-102.
- operation without battery back-up (factory setting):strap on position 102-103.
When removing the KTLC from an operational system, remove and re-install the strap on
101-102 for about one second to clear the contents of the memory in order to avoid the
possible corruption of the user programmed data.
Note: When the board is stored the strap must be positioned on 102-103 to prevent a fully
discharged battery.
• Strap X3.1
The straps of X3.1 are used to select the correct transmission levels; the setting of X3.1
depends on the type of KTLC and the local transmission plan.
Tablegives the strap settings for the transmit levels; tablegives the settings for the receive
levels. Both tables indicate the strap settings per transmission plan for a few countries. For
countries not mentioned in the tables one should use the default settings of the KTLC;
these settings are:
- KTLC01 : the settings for the Netherlands.
24. 20
- KTLC02 : the settings for Germany.
- KTLC03 : the settings for United Kingdom.
Note: Make sure that the settings of X3.1 corresponds to the local transmission plan before
installing the board.
• Fuses
New KTLC types have 8 fuses (0.2 A, 8.5 Ohm) to give extra protection to the data
circuits. Fuse F1.1 belongs to the extension connected to the first output, F1.2 to the
second extension etc.
TRANSMIT LEVEL (dBr) X3.1
KTLC01 KTLC02 KTLC03 105-205 106-206 107-207 108-208
- 8.4*) - 7.6*) - 2.8*) - - - -
- 6.9 - 6.2 - 1.3 - - - Inst.
- 5.4 - 4.6 0.2 - - Inst. -
- 3.9 - 3.2 1.7 - - Inst. Inst.
- 2.4 - 1.5 3.25) - Inst. - -
- 0.91) 0.04) 4.7 - Inst. - Inst.
0.62) 1.5 6.2 - Inst. Inst. -
2.13) 2.9 7.7 - Inst. Inst. Inst.
3.6 4.5 9.2 Inst. - - -
5.1 4.5 10.7 Inst. - - Inst.
6.6 6.0 12.2 Inst. - Inst. -
8.1 7.5 13.7 Inst. - Inst. Inst.
9.6 9.0 15.2 Inst. Inst. - -
11.1 12.0 16.7 Inst. Inst. - Inst.
12.6 13.5 18.2 Inst. Inst. Inst. -
14.1 15.0 19.7 Inst. Inst. Inst. Inst.
*) Factory setting 2) Italy 4) Germany
1) Belgium 3) The Netherlands 5) United Kingdom
Table 3-2 Transmit Levels
26. 22
Mark
BP
BB
FBA
FBD
X2-1
101
102
103
F1.1
F1.2
F1.3
F1.4
F1.5
F1.6
F1.7
F1.8
X3-1
201 101
208 108
X1-1
201 101
205 105
Figure 3-2 Strap Location on the KTLC-01/02/03
3.2. KTLC-A/E
The KTLC-A/E provides a 4-wire interface between up to 8 or 16 SOPHO SETs of the K series
(K160, K260, K261, K365) and the ISPBX. The a/b wires are used for voice; the c/d wires are
used for control information from/to the SOPHO SET.
The KTLC-A is an 8 circuit board, consisting of a single (mother) board. The KTLC-A is
delivered with an on-board memory backup battery.
The KTLC-E is a 16 circuit board and is a combination of the KTLC-A (mother board) and a
daughter board. KTLC-E does not have an on-board memory backup battery; the battery
cannot be fitted onto the mother-board if used as a KTLC-E.
27. 23
FAB
Daughter board
1
0
0
FAA 0
FAB
FAC
FAD
K
T
L
C-
A
1
0
0
K
T
L
C-
E
1
0
FBA
FBB
FBC
FBD
FCA
FCB
FCC
FCD
FBA
Mother board
FBD
FCC
Figure 3-3 Front Layout of the KTLC-A and KTLC-E (Mother Board and Daughter Board)
All wires are connected to the MDF via front connectors FBA & FBD.
28. 24
301
c0
d0
c1
d1
c2
d2
c3
d3
a4
b4
a5
b5
a6
b6
a7
b7
a0......7 : a-wires for extension lines 0....7
b0......7 : b-wires for extension lines 0....7
c0......7 : c-wires for extension lines 0.....7
d0......7 : d-wires for extension lines 0....7
101
FBA
108
a0
b0
a1
b1
a2
b2
a3
b3
125
325
FBD
132
Figure 3-4 Layout Front Connector FBA & FBD (on mother-board)
c4
d4
c5
d5
c6
d6
c7
d7
301
c8
d8
c9
d9
c10
d10
c11
d11
101
108
a12
b12
a13
b13
a14
b14
a15
b15
a8......15 : a-wires for extension lines 8....15
b8......15 : b-wires for extension lines 8....15
c8......15 : c-wires for extension lines 8.....15
d8......15 : d-wires for extension lines 8....15
101
FAB
108
a8
b8
a9
b9
a10
b10
a11
b11
301
FCC
c12
d12
c13
d13
c14
d14
c15
d15
Figure 3-5 Layout Front Connector FAB & FCC (on daughter-board)
The KTLC-A and KTLC-E have electronic 'automatic recovery' fuses, so no replaceble fuses
are used.
The transmission plan and the transmission levels are set by the software in the signalling
block. Refer to the Signalling Data Manual for further details concerning the meaning and
possible settings of the signalling group bytes.
The default value for the KTLC-A signalling block (2304) is transmission plan 01.
The on-board memory of the KTLC may contain user data. If a mains power failure might
29. 25
occur this memory has a back-up power supply via an on board battery.
• Strap X2.1
This strap is used to connect or disconnect the back-up battery of the memory circuits on
the KTLC board. With the battery connected these circuits retain user-defined data during
a system power failure.
User defined data is also retained when the board is removed from the shelf, but only if
the shelf has been powerless during removal!
In all other circumstances this strap has to be removed for a while before inserting the
board into the shelf. An example of such a situation is when removing the board with the
shelf powered up. The data stored in the on-board processor and associated memory is
mutilated in that case: the strap should be removed before re-inserting it so that the
processor and memory can be reset.
- Operation with battery back-up (normal operation):strap present;
- Operation without battery back-up (factory setting):strap not present.
• Strap X2.2
This strap must be placed (watchdog active)
• Strap X3.1
Strap 101-201 of X3.1 must not be placed; the board is then configured as KTLC-A.
The remaining straps of X3.1 must be placedfor normal operation; they are used for
factory testing.
30. 26
FBA
201 101
101
Figure 3-6 Strap Location on the KTLC-A/E Motherboard
Mark
BP
BB
FBD
X3-1
X2-2
201 101
206 106
X2-1
102
31. 27
4. DIGITAL LINE CIRCUITS
4.1. DLC-A/B/C/D
The Digital Line Circuit-A or B (DLC-A, DLC-B) provides a number of two-wire 2B+D
accesses to the ISPBX. Each access is a Philips proprietary Usinterface at a nominal bit rate of
152 kbit/s. The Usinterfaces can be used to connect terminal equipment, such as SOPHO-SET
S-range and LAMs. The DLC-A/B/C/D can operate in combination with a Line Driver Card
(LDC) when line powered terminals are connected.
The DLC-A controls a maximum of 3 DLC-Bs placed in the same Unit Group; the DLC-C
controls one DLC-D placed in the same Unit Group: controlling is done via frontcabling; see
figure.
The number of Usinterfaces of the DLC boards is:
- DLC-A : 3x(2B+D) Usinterfaces.
- DLC-B : 4x(2B+D) Usinterfaces.
- DLC-C : 7x(2B+D) Usinterfaces.
- DLC-D : 8x(2B+D) Usinterfaces.
125
325
FCD
132
DLC-A
Line 0...3 : U -interface 0....3 s
125
FCD
DLC-B
Figure 4-1 Layout Front Connector FCD on DLC-A and DLC-B
325
132
Line 0
Line 1
Line 2
Line 0
Line 1
Line 2
Line 3
32. 28
125
325
FCC
132
DLC-C
Line 0
Line 1
Line 2
Line 3
Line 4
Line 5
Line 6
Line 7
Line 0...7 : U -interface 0....7 s
101
301
FCC
108
DLC-D
Line 1
Line 2
Line 3
Figure 4-2 Layout Front Connector FCC on DLC-C and DLC-D
Line 4
Line 5
Line 6
Line 7
FAA
FAB
FAC
FAD
FBA
FBB
FBC
FBD
1
0
0
D
L
C
-
B
1
0
0
1 0 1
D
L
C
-
B
1
0
0
D
L
C
-
B
1
0
0
D
L
C
-
A
1
0
0
L
D
C
To MDF
To MDF
FAA
FAB
FAC
FAD
FBA
FBD
FCC
To MDF
To MDF
FCC
FCD
1
0
0
D
L
C
-
C
1
0
0
D
L
C
-
D
1
0
0
L
D
C
1)
1)
1)
1)
1)
1)
1)
1)
0
1)
1)
1)
1)
3)
3) 3)
3) 3) 3)
2)
1) Not used
2) Special cable which is only used for connecting the combination of a DLC-A / DLC-B to an LDC.
3) When no LDC is used, the cables of FCC and FCD of the DLCs are directly connected to the MDF.
Figure 4-3 Front Cabling of DLC-A/B - LDC and DLC-C/D - LDC
4.2. DLC-U
The Digital Line Circuit-U-interface (DLC-U) (9561 158 55110) provides 15 two-wire 2B+D
33. 29
accesses to the ISPBX. Each access is a Philips proprietary Usinterface with a nominal bit rate
of 152 kbit/s. The Usinterfaces can be used to connect terminal equipment, such as the
SOPHO-SET S-range and LAM. The DLC-U has the functions of a DLC-C/D combined with
an LDC. This DLC-U can therefore be used for line-powered digital extensions with
Usinterfaces. The board contains no straps.
The terminal equipment is connected to the DLC-U via the front connectors FAD and FCA;
these connections are made via the MDF.
Line 0...14 : U -interface 0....14 s
125
325
FAD
132
301
Figure 4-4 Layout Front Connector FAD & FCA.
The Digital Line Circuit-U-interface (DLC-U) (9561 158 55200) provides 15 two-wire 2B+D
accesses to the ISPBX. Each access is a Philips proprietary Usinterface with a nominal bit rate
of 152 kbit/s. The Usinterfaces can be used to connect terminal equipment, such as the
SOPHO-SET S-range and LAMs. The DLC-U has the functions of a DLC-C/D combined with
an LDC. This DLC-U can be strapped for line power/no line power. See figure.
Note: There is also a stripped version of the DLC-U which provides 7 two-wire 2B+D
Usinterfaces. This type of DLC-U occupies half the UG.
DLC-U (7), without straps: 9562 158 64110.
DLC-U (7), with straps: 9562 158 64200.
• Straps on the DLC-U(9562 158 55200 and 9562 158 64200)
Jumper MK1 connected: No line power.
Jumper MK2 connected: Line power.
101
FCA
108
Line 1
Line 2
Line 3
Line 8
Line 9
Line 10
Line 11
Line 12
Line 13
Line 14
Line 4
Line 5
Line 6
Line 7
Line 0
34. 30
Mark
BP
BB
EHWA Port
FAD
EHWA Port
18...31
FCA
Not present on DLC-U (7)
Not present on DLC-U (7)
2...17
X3.2
Port
X3.1
X3.5
X3.6
X3.8
X3.7
X3.4
X3.3
X3.10
X3.9
X3.13
X3.15
X3.14
X3.12
X3.11
MK 2
MK 1 4 & 5
MK 2
MK 1 2 & 3
MK 2
MK 1 10 & 11
MK 2
MK 1 12 & 13
MK 2
MK 1 16 & 17
MK 2
MK 1 14 & 15
MK 2
MK 1 8 & 9
MK 2
MK 1 6 & 7
MK 2
MK 1 20 & 21
MK 2
MK 1 18 & 19
MK 2
MK 1 26 & 27
MK 2
MK 1 30 & 31
MK 2
MK 1 28 & 29
MK 2
MK 1 24 & 25
MK 2
MK 1 22 & 23
Figure 4-5 Straps of the DLC-U (9562 158 55200 and 9562 158 64200)
4.3. DLC-I
The Digital Line Circuit-ISDN (DLC-I) has 7 digital 2B+D interface lines. These lines are four
wire basic rate S0interfaces between the ISPBX system and ISDN terminal equipment
according to CCITT Rec. I.430. The ISDN terminal equipment is connected to the DLC-I via
the front connectors FBA and FBB. These connections are made via the MDF.
35. 31
101
301
RX0 + + TX0
FBA
108
101
301
FBB
108
RX1 +
RX2 +
RX3 +
RX4 +
RX5 +
RX6 +
+ TX1
+ TX2
+ TX3
+ TX4
+ TX5
+ TX6
TX0...6 : Outgoing balanced lines
RX0...6 : Incoming balanced lines
The positive poles of the RX/TX S interfaces are indicated with a“ +”.
0
These indications do not refer to the polarity of the S interface phantom power supply.
0
Figure 4-6 Layout Front Connector FBA & FBB
The DLC-I is used as Network Terminator (NT): it operates as the master and it provides the
synchronisation clock for the Terminal Equipment (TE). Therefore straps X4.1 and X4.2 must
be placed on positions 102-103.
36. 32
Mark
BP
BB
FBA
FBB
FBC (not used)
FBD (not used)
X4.2
103
102
101
Factory
test only
X4.1
103
102
101
Figure 4-7 Strap Location DLC-I
4.4. DTX-I
The Digital Trunk eXtension-ISDN (DTX-I) provides 15 four-wire 2B+D accesses to the
ISPBX. Each access contains an S0interface which can be configured as follows:
- as a network interface to connect ISDN terminal equipment;
- as a trunk/tie line interface to make a connection to the ISDN.
The following S0-line interfaces are supported:
- an extension interface;
- a remote extension interface;
- an 1TR6 trunk line interface;
37. 33
- an 1TR6 tie line interface;
- a DPNSS tie line interface.
The ISDN equipment is connected to the DTX-I via the front connectors FAB, FBA, FBD &
FCC. These connections are made via the MDF.
109
309
SR1 + SX1 SR9+ + SX9 +
SR10+ + SX10 + SR2 SX2 +
FAB
SR11+ + SX11 + SR3 SX3 +
SR12+ + SX12 + SR4 SX4 +
116
125
325
FBD
132
101
301
SR13+ + SX13 + SR5 SX5 +
SR14+ + SX14 + SR6 SX6 +
FBA
SR15+ + SX15 + SR7 SX7 +
+ SR8 SX8 +
108
117
317
FCC
124
SRn = Receiver of S line interface number n
SXn = Transmitter of S line interface number n
The positive poles of the RX/TX S interfaces are indicated with a“ +”.
0
These indications do not refer to the polarity of the S interface phantom power supply.
0
Figure 4-8 Layout Front Connector FAB, FBA, FBD & FCC
The DTX-I can replace a DLC-I or DTU-BA. When operating as a DLC-I or DTU-BA, only 7
circuits are used.
Note: There is also a stripped version of the DTX-I which provides 7 four-wire 2B+D S0
interfaces:the DTX-I (7).
Each line of the DTX-I has two straps of 3 pins which connect the power supply to the center
taps of the transmission line transformers for phantom power feeding purposes and for the
selection of master or slave, when used as a trunk connection; see the figure below.
38. 34
Rn : odd numbered straps
(X5.1...X5.29)
Tn : even numbered straps
(X5.2...X5.30)
Master / Slave
System Ground
Figure 4-9 Meaning of strap X5.1 ... X5.30
The strap at the receiver side has the reference Rn and at the transmit side Tn: R stands for
receiver, T for transmit and n is the related line number.
When the DTX-I is used as a DTU-BA, the DTU-BA can operate either as Terminal
Equipment (TE) or as Network Terminator (NT) in a network. When changing over from TE
to NT (or vice versa) also the projecting data has to be changed. Check the projecting data to
see how the DTU-BA is projected.
• Strap Settings
Each circuit of the DTX-I can be used to connect:
- a terminal : connect, on Rn and Tn side, the straps 101&102 to
deliver the line power;
- a trunk line (TE side) : connect, on Rn and Tn side, the straps 102&103: no line
power, no sync. (=slave);
- a trunk line (NT side : on Rn and Tn side, no straps made: no line power, sync.
is delivered (=master).
When a DTX-I is projected as a DLC-I or a DTU-BA the following restrictions apply:
- A maximum of 7 lines (0 ... 6) can be used, even in case of a DTX-I(15);
- No mix of trunk and terminal circuits is allowed;
- The board is not downloadable.
WARNING: BE SURE THAT BOTH THE RN AND TN STRAPS OF A LINE ARE
MOUNTED ON EQUAL POSITIONS. IT IS NOT ALLOWED TO
Receive
DTX-I
Transmit
103
102
101
Rn
Not connected
-40V
103
102
101
Tn
39. 35
HAVE ONE STRAP MOUNTED ON POSITION 101&102 AND THE
OTHER STRAP ON POSITION 102&103.
DO NOT MOUNT A STRAP ON X2.1 AND X3.1. THIS WILL
DAMAGE THE PROCESSOR AND POWER SUPPLY.
• Terminal Equipment
When the DTU-BA is used as interface to the PSTN or another PBX it operates as a TE.
It expects to receive an external clock reference from an NT to synchronise with. This
means that a clock signal is available on frontconnector FC 101; this clock signal can be
used as the input clock for a CRU, when necessary.
• Network Terminator
When the DTU-BA is used as an NT, it operates as the master and it provides the
synchronisation clock for the TE. This means that no clock signal is available on front-connector
FC 101.
When two DTX-I (used as DTU-BAs) form one transmission link (max. distance 1000 meters)
one DTX-I must be strapped as DTU-BA NT and the other as a TE.
40. 36
FAB
FBA
Not present
on DTX-I (7)
Figure 4-10 Strap Location on DTX-I
X2.1
Figure 4-11 Details of strap X5.1 ... X5.30
Mark
BP
BB
FBD
101
201
101
204
104
FCC
FC101
X5.2 Line 0
Line 1
X5.1
X5.4
X5.3
X5.6
X5.5
X5.8
X5.7
X5.10
X5.9
X5.12
X5.11
X5.14
X5.13
X5.16
X5.15
X5.18
X5.17
X5.20
X5.19
X5.22
X5.21
X5.24
X5.23
X5.26
X5.25
X5.28
X5.27
X5.30
X5.29
Line 2
Line 3
Line 4
Line 5
Line 6
Line 7
Line 8
Line 9
Line 10
Line 11
Line 12
Line 13
Line 14
102
Lab/Factory
Test only
X3.1
X5.2
Line 0
X5.1
X5.4
X5.3
Etc.
103
102
101
103
102
101
103
102
101
103
102
101
Line 1
41. 37
4.5. DTX-I(R)
The DTX-I(R) is the redesigned version of the DTX-I. The DTX-I15(R) provides 15 four-wire
2B+D accesses to the ISPBX. Each access contains an S0 interface which can be configured as
follows :
- as an extension interface (network side) to connect ISDN terminal equipment;
- as a trunk/tie line interface (user side) to make a connection to the ISDN.
Note: There is also a stripped version of the DTX-I(R) which provides 7 four-wire 2B+D S0
interfaces : the DTX-I7(R).
Strap Settings
Note that a strap summary is printed on the DTX-I(R) board between connectors FBA and
FBD. Each circuit of the DTX-I(R) can be used as :
- an EXTension to connect ISDN terminals
The straps must be placed on position 101&102 (factory setting).
The transmit and receive pairs of an interface are connected to -40 V and system ground
respectively, in order to power the connected terminals.
- a Trunk line
The straps should be parked in the position 102&103.
The transmit and receive pairs are isolated from -40 V and ground, in order to avoid high
ground currents flowing between two systems.
42. 38
Mark
BP
BB
FAB
FBA
FBD
FCC
101
101
101
101
101
101
X1.1
X1.3
X1.5
X1.7
X1.9
X1.11
Not present
on DTX-I(7) (R)
FC101
BIST connector
Lab/Factory
Test only
Line 1
Line 2
Line 3
Line 4
Line 5
Line 6
Line 7
Line 8
Line 9
Line 10
Line 11
Line 12
Line 13
Line 14
Line 15
101
101
103
101
103
101
X1.4
103
101
X1.6
103
101
X1.8
103
101
X1.10
103
101
X1.12
103
101
X1.4
103
103
103
103
103
103
103
103
X1.13
X1.15
X1.2
Figure 4-12 Layout Front Connector FAB, FBA, FBD & FCC
Front connectors
At the front of the DTX-I(R) four F122 connectors (FAB, FBA, FBD & FCC) are available to
connect the four-wire S0 interfaces. The pinning of these connectors is identical to the DTX-I.
Clock Reference
When the DTX-I(R) is used as interface to the PSTN or another PBX it operates as a slave
(TE). The PBX may need an external clock reference from the master network (NT) to
synchronise with. For this purpose a clock signal is available on front connector FC 101; this
clock signal can be used as the input clock for a CRU, when necessary.
43. 39
4.6. DLX-U
The Digital Line eXtensions - Upninterface (DLX-U) provides 2 wire accesses for extensions
with Upninterface. There are two types: the DLX-U(15) and DLX-U(31).
The DLX-U(15) provides 15 accesses.
The accesses are 2B+D types which can be used in two different modes (the 'board type' and
the 'signalling group' in the projecting data determine the mode):
- 1B mode : This means that only one B-channel is applied and the second remains
unused.
- 2B mode : This means that both B-channels are applied.
The DLX-U(31) provides 31 accesses. The accesses are 2B+D types, but only one B-channel
is applied. This is called the 1B mode.
The circuits in relation to the lines differ per DLX-U and operating mode:
- DLX-U(15) in 1B mode:
circuit 0: PPU - DLX-U control channel (IMP)
circuit 1 ... 15: access 1 ... 15
- DLX-U(15) in 2B mode:
circuit 0: PPU - DLX-U control channel (IMP)
circuit 1: not used
circuit 2 & 3: access 1
circuit 4 & 5: access 2
|| ||
circuit 30 & 31: access 15
- DLX-U(31) in 1B mode:
circuit 0: PPU - DLX-U control channel (IMP)
circuit 1 ... 31: access 1 ... 31
45. 41
1
00
FAB
FBA
FBD
FCC
D
L
X
-
U
3
1
1
00
FBA
FBD
DL
X
-
U
15
Figure 4-15 DLX-U(15) and DLX-U(31) mother/daughter board
4.7. DLX-L
The Digital Line eXtension-Long line interface provides accesses for extensions with a Uk0
(2B1Q) interface.
The DLX-L provides 15 accesses with 2B+D interface of which :
- one B-channel is used (1B mode, Philips proprietary)
- two B-channels are used (2B, ITU compatible).
The mode depends on the signalling group and board type. Mixed mode (1B and 2B) on one
board is not possible.
The DLX-L has the following characteristics:
- It has Uk0 interfaces: a 2-wire, 98 ohms balanced, 2B1Q interface with a datarate of 144
kbits/s;
- On layer 3, it supports TMP, 1TR6 and Euro (ETSI): protocol selection on layer 3 is
automatic;
- It is able to support power to the terminals, nominal -58 volts with a current of 45 mA;
- It is intended to service voice and data terminals;
- When no Uk0 terminal is available, the board can be connected via a Private Network
46. 42
Terminator for Long lines (PNT-L), which converts the Uk0 (2B1Q) into an S0bus;
- Under optimal conditions, the DXL-L with a PNT-L supports a maximum line length of 3.5
km (0.4mm cable) or 5.5 km with 0.5mm cable (Filotex 0.5 cat.3).
The layout of the front connectors of the DLX-L is the same as for the DLX-U.
The LEDs on the board have the following meanings:
MEANING LEDs
Table 4-1 Meaning of the LEDs
• PNT-L
The PNT-L is a private network terminator that converts the Uk0 (2B1Q) 2-wire interface
provided by the DLX-L into a standard 4-wire S0bus. The use of a PNT-L for connecting
terminals to the DLX-L is necessary when no terminal with the Uk0 (2B1Q) interface is
available. The PNT-L is mains-powered and provides power to the connected terminal(s).
The interface between DLX-L and PNT-L is powered by the DLX-L. The PNT-L is
transparent for the layer 3 protocols (TMP, 1TR6 and Euro-ISDN).
Figure 4-16
GREEN RED
No power Off Off
Internal test active Off On
Waiting for command from PM On On
Communication with PM On Off
Software downloading/deleting or no package Blinking On
DLX-L Uk0 (2B1Q) 2-wire PNT-L S0 4-wire
47. 43
5. ANALOGUE TRUNK UNITS
5.1. ATU-SS
The ATU-SS (Subscriber Signalling) is a 2-wire line interface which connects the ISPBX system
to a PSTN. The a/b wires of the ATU-SS, when not interworking with a Metering Circuit (MC)
or Emergency Switch-over Unit (ESU), are directly connected to the MDF via front connector
FBC.
When the ATU-SS interworks with MCs and/or ESUs the a/b wires are, via a front connector,
first connected to an MC, MCE or ESU card and via that card to the MDF.
Note: Depending on the type of ATU-SS the card accommodates 4 or 6 ATU-SS circuits.
117
317
FBC
124
a0
b0
a1
b1
a2
b2
a3
b3
a4
b4
a5
b5
a0......5 : a-wires for trunk lines 0....5
b0......5 : b-wires for trunk lines 0....5
Figure 5-1 Layout Front Connector FBC
If Metering Circuits are used, the outputs of the detectors are connected to the ATU-SS card
via a separate front connector. The wires to the metering level detectors on the ATU card are
MD1 ... 6 and GND1 ... 6.
48. 44
101
301
FAA
108
MD1
GND1
MD2
GND2
MD3
GND3
MD4
GND4
MD5
GND5
MD6
GND6
MD1......6 : metering detector information from the metering point
GND1......6 : accompanying ground from the metering circuits
Figure 5-2 Layout Front Connector FAA
5.2. ATU-AS
The ATU-AS (Dutch Subscriber Signalling known as 'ALS70') is a 2-wire line interface which
connects the ISPBX system and a PSTN.
The a/b wires of the ATU-AS, when not interworking with a Metering Circuit (MC) or
Emergency Switch-over Unit (ESU), are directly connected to the MDF via front connector
FBC.
When the ATU-AS interworks with MCs and/or ESUs the a/b wires are, via a front connector,
first connected to an MC, MCE or ESU card and via that card to the MDF. It comprises four
ATU-AS circuits.
117
317
FCA
124
a8
b8
a9
b9
a10
b10
a11
B11
a12
b12
a13
b13
a14
b14
a15
B15
a8......15 : a-wires for trunk lines 8....15
b8......15 : b-wires for trunk lines 8....15
Figure 5-3 Layout Front Connector FBC
If Metering Circuits are used, the outputs of the detectors are connected to the ATU-AS card
via a separate front connector. The wires to the metering level detectors on the ATU card are
MD1 ... 6 and GND1 ... 6.
49. 45
101
301
FAA
108
MD1
GND1
MD2
GND2
MD3
GND3
MD4
GND4
MD1......6 : metering detector information from the metering circuits
GND1......6 : accompanying ground from the metering circuits
Figure 5-4 Layout Front Connector FAA
5.2.1. ATU-AS36
On the ATU-AS36 straps are used to select the required signalling system (GSD or UFS) and
to select the long or short trunk line.
• Long Line Adjustment
CIRCUIT JUMPER TO BE INSTALLED JUMPER POSITION 'OPEN'
1 X1-13 X1-9
2 X1-14 X1-10
3 X1-15 X1-11
4 X1-16 X1-12
Table 5-1 Long Line Adjustment
• Short Line Adjustment
CIRCUIT JUMPER TO BE INSTALLED JUMPER POSITION 'OPEN'
1 X1-9 X1-13
2 X1-10 X1-14
3 X1-11 X1-15
4 X1-12 X1-16
Table 5-2 Short Line Adjustment
50. 46
• Impulse Dialling In
To enable 'impulse dialling in', install the following jumpers (in case of GSD). If a jumper
position is left open 'impulse dialling in' is disabled (in case of UFS, 12KHz).
CIRCUIT A-WIRE DETECTION B-WIRE DETECTION
1 X1-17 X1-5
2 X1-18 X1-6
3 X1-19 X1-7
4 X1-20 X1-8
Table 5-3 Impulse Dialling In
• The Wetting Circuit
If a jumper is installed the 'wetting circuit' (43 kOhm) is enabled (in case of UFS).
If a jumper is not installed the 'wetting circuit' is disabled (in case of GSD).
CIRCUIT WETTING CIRCUIT JUMPER
1 X1-1
2 X1-2
3 X1-3
4 X1-4
Table 5-4 Wetting Circuit Jumper
51. 47
Mark
BP
BB
FAA
X1-9
X1-13
FBC
X1-10
X1-14
X1-16
X1-12
X1-15
X1-11
X1-5
X1-17
X1-1
X1-6
X1-18
X1-2
X1-7
X1-19
X1-3
X1-8
X1-20
X1-4
Figure 5-5 Strap Location on ATU-AS36
5.3. ATU-EM
The ATU-EM is a 2 or 4-wire line interface which connects the ISPBX system to another PBX.
The signalling used consists of two unidirectional 2-wire DC signalling links: the m/mm wires
for sending and the e/ee wires for the receipt of signals. There is no difference in signalling
between the 2 and 4-wire version.
All wires of the ATU are directly connected to the MDF via front connector:
- FBC:2-wire ATU-EM
- FAD:4-wire ATU-EM
52. 48
4 wire version 2 wire version
c0
d0
c1
d1
c2
d2
c3
d3
a0
b0
a1
b1
a2
b2
a3
B3
a0......3 : a-wires for trunk lines 0....3
b0......3 : b-wires for trunk lines 0....3
c0......3 : c-wires for trrunk lines 0.....3
d0......3 : d-wires for trunk lines 0....3
125
325
FAD
132
a0
b0
a1
b1
a2
b2
a3
b3
117
317
FBC
124
Figure 5-6 Layout Front Connector FAD & FBC
The m/mm and e/ee wires of both the 2 and 4-wire version are directly connected to the
MDF via front connector FCA.
101
301
FCA
108
e0
ee0
e1
ee1
e2
ee2
e3
Ee3
m0
mm0
m1
mm1
m2
mm2
m3
Mm3
e0...3
ee0...3
m0...3
mm0...3
: e-wires for trunk lines 0...3
: ee-wires for trunk lines 0...3
: m-wires for Extension lines 0...3
: mm-wires for Extension lines 0...3
Figure 5-7 Layout Front Connector FCA
5.3.1. ATU-EM (2-Wire)
Note: The second identifier of the straps (1 ... 4) indicates the ATU circuit 0 ... 3.
55. 51
E&M Sign.
Situation
no.
Description of E&M Signals ATU-EM puts on the M-wire
If command bit
M is '1'
If command bit
M is '0'
1 tone on idle and mains failure earth open line
2 tone on busy and mains failure open line earth
3 tone on busy, not on mains failure open line earth
4 tone on idle, not on mains failure earth open line
5 tone on idle and mains failure batt. minus open line
6 tone on busy and mains failure open line batt. minus
7 tone on busy, not on mains failure open line batt. minus
8 tone on idle, not on mains failure batt. minus open line
9 tone on idle and mains failure closed m/mm
loop
open line
10 tone on busy and mains failure open line closed m/mm
loop
11 tone on busy, not on mains failure open line closed m/mm
loop
12 tone on idle, not on mains failure closed m/mm
loop
open line
Bit M = 1 is Inactive (idle state); Bit M = 0 is Active (busy state).
Table 5-5 Survey of E&M Signal Possibilities
The different strap settings of the signal possibilities mentioned in the table are given in the
tables below.
The meaning of the different straps are:
X1 for signalling between earth and open line
X2 for signalling between battery minus and open line
X3 mains failure gives earth or battery minus on m-wire or closed m/mm loop (tone)
X4 mains failure gives an open m-wire (no tone)
X5 for signalling between closed m/mm loop and open line
X6/X7 shortcircuits a part of the m-wire resistance
56. 52
X8 Sets message bit E active or inactive
X9 Operates or releases the M-relay
Table 5-6 Strapsettings X1...X5 and X9 for signal transmission. Tone on idle and on mains
failure
E&M
Sign.
Situatio
n No.
Straps 1) Comma
nd bit
M is 2)
M-relay
is
ATU-EM
puts on
M-wire
Carrier eq.
(if present)
transmits
X1 X2 X5 X3 X4 X9
1 + - - + - - 1 release
d
earth 3) tone
5 - + - + - - 1 release
d
batt.
minus
tone
9 - - + + - - 1 release
d
m/mm
loop 3)
tone
1 + - - + - - 0 operate
d
open line
3)
no tone
5 - + - + - - 0 operate
d
open line no tone
9 - - + + - - 0 operate
d
open line
3)
no tone
1) + = strap present; - = strap absent
2) 1 = inactice (idle state); 0 = active (busy state)
3) Corresponds with E&M signalling via physical lines.
57. 53
Table 5-7 Strapsettings X1...X5 and X9 for signal transmission. Tone on idle and not on
mains failure
E&M
Sign.
Situatio
n No.
Straps 1) Comma
nd bit M
is 2)
M-relay
is
ATU-EM
puts on
M-wire
Carrier eq.
(if present)
transmits
X1 X2 X5 X3 X4 X9
4 + - - - + + 1 operate
d
earth 3) tone
8 - + - - + + 1 operate
d
batt. minus tone
12 - - + - + + 1 operate
d
m/mm
loop 3)
tone
4 + - - - + + 0 release
d
open line
3)
no tone
8 - + - - + + 0 release
d
open line no tone
12 - - + - + + 0 release
d
open line
3)
no tone
1) + = strap present; - = strap absent
2) 1 = inactice (idle state); 0 = active (busy state)
3) Corresponds with E&M signalling via physical lines.
58. 54
Table 5-8 Strapsettings X1...X5 and X9 for signal transmission. Tone on busy and on mains
failure
E&M
Sign.
Situatio
n No.
Straps 1) Comma
nd bit
M is 2)
M-relay
is
ATU-EM
puts on
M-wire
Carrier eq.
(if present)
transmits
X1 X2 X5 X3 X4 X9
2 + - - + - + 1 operate
d
open line 3) no tone
6 - + - + - + 1 operate
d
open line no tone
10 - - + + - + 1 operate
d
open line 3) no tone
2 + - - + - + 0 release
d
earth 3) tone
6 - + - + - + 0 release
d
batt. minus tone
10 - - + + - + 0 release
d
m/mm loop
3)
tone
1) + = strap present; - = strap absent
2) 1 = inactice (idle state); 0 = active (busy state)
3) Corresponds with E&M signalling via physical lines.
59. 55
E&M
Sign.
Situatio
n No.
Straps 1) Comma
Table 5-9 Strapsettings X1...X5 and X9 for signal transmission. Tone on busy and not on
mains failure
Table 5-10 Straps X6 and X7
nd bit
M is 2)
M-relay
is
ATU-EM
puts on M-wire
Carrier eq.
(if present)
transmits
X1 X2 X5 X3 X4 X9
3 + - - - + - 1 release
d
open line 3) no tone
7 - + - - + - 1 release
d
open line no tone
11 - - + - + - 1 release
d
open line 3) no tone
3 + - - - + - 0 operat
ed
earth 3) tone
7 - + - - + - 0 operat
ed
batt. minus tone
11 - - + - + - 0 operat
ed
m/mm loop
3)
tone
1) + = strap present; - = strap absent
2) 1 = inactice (idle state); 0 = active (busy state)
3) Corresponds with E&M signalling via physical lines.
Resistance in Ohms between M and Strap X6 Strap X7
Earth - Vb MM
1240 1780 1240 - -
620 1160 620 + -
620 1160 620 - +
0 540 0 + +
60. 56
E&M
Sign.
Situation
No.
E&M
Sign.
Type
Carrier Eq. (if
present) receives
ATU-EM receives
on E-wire
Table 5-11 Strapsettings X8 for signal reception
Strap
X8 1)
Message
bit E is 2)
1, 4, 5, 8,
9, 12
tone on
idle
tone earth or e/ee loop
3)
+ 0
tone open line - 0
no tone open line 3) + 1
no tone earth or e/ee loop - 1
2, 3, 6, 7,
10, 11
tone on
busy
tone earth or e/ee loop
3)
- 1
tone open line + 1
no tone open line 3) - 0
no tone earth or e/ee loop + 0
1) + = strap present; - = strap absent
2) 1 = inactice (idle state); 0 = active (busy state)
3) Corresponds with E&M signalling via physical lines.
62. 58
From level
Adaptors
E-WIRE
DETECTOR
a-
Wire
To level
Adaptors
From level
Adaptors
To level
Adaptors
620 Ohm
620 Ohm
X11
E-WIRE
DETECTOR
X11
ATU-EM
4-WIRE
c-
Wire
b-
Wire
d-
Wire
c-
Wire
a-
Wire
d-
Wire
b-
Wire
e-
Wire
m-
Wire
ee-
Wire
mm-
Wire
m-
Wire
e-
Wire
Figure 5-11 Logical positions of the ATU-EM (4-wire) straps
X1
X1
x
x
m
m
X2
X2
mm-
Wire
ee-
Wire
X3
X4
X5
X3
X4
X5
X7 X6
X7 X6
X10
X10
ATU-EM
4-WIRE
620 Ohm 620 Ohm
540 Ohm
540 Ohm
63. 59
E&M Sign.
Situation
no.
Description of E&M Signals ATU-EM puts on the M-wire
If command bit
M is '1'
If command bit
M is '0'
1 tone on idle and mains failure earth open line
2 tone on busy and mains failure open line earth
3 tone on busy, not on mains failure open line earth
4 tone on idle, not on mains failure earth open line
5 tone on idle and mains failure batt. minus open line
6 tone on busy and mains failure open line batt. minus
7 tone on busy, not on mains failure open line batt. minus
8 tone on idle, not on mains failure batt. minus open line
9 tone on idle and mains failure closed m/mm
loop
open line
10 tone on busy and mains failure open line closed m/mm
loop
11 tone on busy, not on mains failure open line closed m/mm
loop
12 tone on idle, not on mains failure closed m/mm
loop
open line
Bit M = 1 is Inactive (idle state); Bit M = 0 is Active (busy state).
Table 5-12 Survey of E&M Signal Possibilities
The different strap settings of the signal possibilities mentioned in the table are given in the
tables below.
The meaning of the different straps are:
X1 for signalling between earth and open line
X2 for signalling between battery minus and open line
X3 mains failure gives earth or battery minus on m-wire or closed m/mm loop (tone)
X4 mains failure gives an open m-wire (no tone)
X5 for signalling between closed m/mm loop and open line
X6/X7 shortcircuits a part of the m-wire resistance
X8 Sets message bit E active or inactive
64. 60
X9 Operates or releases the M-relay
X10/X11 Depending on bit x of the 4-wire command byte: mm-wire becomes earth or not
X12 Incoming voice direction via c/d wires is aplified/unamplified
X13 Incoming voice direction via a/b wires is aplified/unamplified
Table 5-13 Strapsettings X1...X5 and X9 for signal transmission. Tone on idle and on mains
failure
E&M
Sign.
Situatio
n No.
Straps 1) Comma
nd bit
M is 2)
M-relay
is
ATU-EM
puts on M-wire
Carrier eq.
(if present)
transmits
X1 X2 X5 X3 X4 X9
1 + - - + - - 1 release
d
earth 3) tone
5 - + - + - - 1 release
d
batt. minus tone
9 - - + + - - 1 release
d
m/mm loop
3)
tone
1 + - - + - - 0 operat
ed
open line 3) no tone
5 - + - + - - 0 operat
ed
open line no tone
9 - - + + - - 0 operat
ed
open line 3) no tone
1) + = strap present; - = strap absent
2) 1 = inactice (idle state); 0 = active (busy state)
3) Corresponds with E&M signalling via physical lines.
65. 61
Table 5-14 Strapsettings X1...X5 and X9 for signal transmission. Tone on idle and not on
mains failure
E&M
Sign.
Situatio
n No.
Straps 1) Comm
and bit
M is 2)
M-relay
is
ATU-EM
puts on
M-wire
Carrier eq.
(if present)
transmits
X1 X2 X5 X3 X4 X9
4 + - - - + + 1 operate
d
earth 3) tone
8 - + - - + + 1 operate
d
batt. minus tone
12 - - + - + + 1 operate
d
m/mm loop
3)
tone
4 + - - - + + 0 release
d
open line 3) no tone
8 - + - - + + 0 release
d
open line no tone
12 - - + - + + 0 release
d
open line 3) no tone
1) + = strap present; - = strap absent
2) 1 = inactice (idle state); 0 = active (busy state)
3) Corresponds with E&M signalling via physical lines.
66. 62
Table 5-15 Strapsettings X1...X5 and X9 for signal transmission. Tone on busy and on mains
failure
E&M
Sign.
Situatio
n No.
Straps 1) Comm
and bit
M is 2)
M-relay
is
ATU-EM
puts on M-wire
Carrier eq.
(if present)
transmits
X1 X2 X5 X3 X4 X9
2 + - - + - + 1 operate
d
open line 3) no tone
6 - + - + - + 1 operate
d
open line no tone
10 - - + + - + 1 operate
d
open line 3) no tone
2 + - - + - + 0 release
d
earth 3) tone
6 - + - + - + 0 release
d
batt. minus tone
10 - - + + - + 0 release
d
m/mm loop
3)
tone
1) + = strap present; - = strap absent
2) 1 = inactice (idle state); 0 = active (busy state)
3) Corresponds with E&M signalling via physical lines.
67. 63
E&M
Sign.
Situatio
n No.
Straps 1) Comma
Table 5-16 Strapsettings X1...X5 and X9 for signal transmission. Tone on busy and not on
mains failure
Table 5-17 Straps X6 and X7
nd bit
M is 2)
M-relay
is
ATU-EM
puts on
M-wire
Carrier eq.
(if present)
transmits
X1 X2 X5 X3 X4 X9
3 + - - - + - 1 release
d
open line
3)
no tone
7 - + - - + - 1 release
d
open line no tone
11 - - + - + - 1 release
d
open line
3)
no tone
3 + - - - + - 0 operate
d
earth 3) tone
7 - + - - + - 0 operate
d
batt. minus tone
11 - - + - + - 0 operate
d
m/mm
loop 3)
tone
1) + = strap present; - = strap absent
2) 1 = inactice (idle state); 0 = active (busy state)
3) Corresponds with E&M signalling via physical lines.
Resistance in Ohms between M and Strap X6 Strap X7
Earth - Vb MM
1240 1780 1240 - -
620 1160 620 + -
620 1160 620 - +
0 540 0 + +
68. 64
E&M
Sign.
Situation
No.
E&M
Sign.
Type
Carrier Eq. (if
present) receives
Table 5-18 Strapsettings X8 for signal reception
Table 5-19 Straps X10 and X11
ATU-EM receives
on E-wire
Strap
X8 1)
Message
bit E is 2)
1, 4, 5, 8,
9, 12
tone on
idle
tone earth or e/ee loop
3)
+ 0
tone open line - 0
no tone open line 3) + 1
no tone earth or e/ee loop - 1
2, 3, 6, 7,
10, 11
tone on
busy
tone earth or e/ee loop
3)
- 1
tone open line + 1
no tone open line 3) - 0
no tone earth or e/ee loop + 0
1) + = strap present; - = strap absent
2) 1 = inactice (idle state); 0 = active (busy state)
3) Corresponds with E&M signalling via physical lines.
Strap
X10
Strap
X11
Meaning
- + Bit x of 4-wire command byte = 0 (MM-wire goes to earth for
compander)
+ - Bit x of 4-wire command byte = 1 (MM-wire goes to earth for
compander)
- - Strap present when X5 is present
+ + Not allowed
+ = strap present; - = strap absent
69. 65
Strap X12 Strap X13 Incoming Voice
Direction via
Mode
n.a. + a/b wires unamplified
n.a. - a/b wires amplified
- n.a. c/d wires amplified
+ n.a. c/d wires unamplified
+ = strap present: - = strap absent; n.a. = not applicable
Table 5-20 Straps X12 and X13
5.3.3. ATU-EM-D
The ATU-EM-D is designed for special projects only.
This board serves as an interface between the SOPHO and equipment using a digital (64 kbit/
sec) interface as described in the ITU recommendations G703.1.
The board contains 4 circuits. The data channels are 4-wire for a co-directional connection (2
pairs: one in each direction) and 8-wire in case of a contra-directional interface (2 pairs for
data, one in each direction, and 2 pairs for timing signals, one in each direction). The signalling
is E&M signalling via separate E&M wires as is used on the ATU-EM boards. The
synchronisation can be extracted from the incoming data stream (circuit 0 only) or from the
special input connector on the board.
Strappings/connectors
shows the connector layouts. The strappings and the connector locations are shown in. The
connector/circuit relation is as follows:
Connector FAB Circuit 0 (data)
Connector FAD Circuit 1 (data)
Connector FBB Circuit 2 (data)
Connector FBD Circuit 3 (data)
Connector FCB Circuits 0-3 (Signalling)
Connector X9.1 External clock input
Connector X9.2 Clock output
70. 66
CIRCUIT E&M SIGNALLING
Figure 5-12 Layout of the connectors
The meanings of the abbreviations mentioned in the figureare:
ABBREV. MEANING INTERFACE
DA, DB Data transmitter Co- and contra directional
TA, TB Timing outgoing datra Contra directional
DC, DD Data receiver Contra directional
TC, TD Timing incoming data Contra directional
TC, TD Data receiver Co-directional
SH Shield to earth
E, EE Incoming signalling
M, MM Outgoing signalling
71. 67
Line Interface 0
BP
FAD
FBB
103 102 101
1
2
3
4
Figure 5-13 Board layout with strap locations
Note: On delivery of this board, four spare jumpers are present on the locations: X1-1/2/3/4 over
the pins 203-204.
Mark
Line Interface 1
Common
Control
Line Interface 2 Circuits
Line Interface 3
E&M Interface 1
E&M Interface 3
E&M Interface 0
E&M Interface 2
X9.1
X9.2
BB
FAB
FBD
FCB
Clock Ref. Circuit
X5
101
106
X8
X1 X2
101
103 201 204
X6
101
103
201
203
101 104 101 103
201 203
X4 X3
X7
72. 68
STRAPS SIGNALLING CONDITION
X1 X2
101-201 103-203 202-203 M to earth 'tone on idle'
101-202 103-203 202-203 M to earth 'tone on busy'
101-201 104-204 202-203 M to -Vb 'tone on idle'
102-202 104-204 202-203 M to -Vb 'tone on busy'
101-201 - 201-202 M to MM 'tone on idle'
102-202 - 201-202 M to MM 'tone on busy'
Table 5-21 Meanings of the straps X1 and X2 (part 1)
STRAPS X2 SIGNALLING ON THE MM WIRE TO EARTH:
101-102 MM to earth 'tone on idle'
102-103 MM to earth 'tone on busy'
Absent Option not used
Table 5-22 Meaning of the straps X2 (part 2)
STRAPS INTERNAL RESISTANCE IN OHMS FROM M
TO:
X3 X4 earth -Vb MM
101-102 101-102 0 540 0
101-102 102-103 680 1220 680
102-103 101-102 680 1220 680
102-103 102-103 1360 1900 1360
Table 5-23 Meanings of the straps X3 and X4
73. 69
STRAP X5 SELECTION
101-102 Detector output is not inverted
102-103 Detector output is inverted
104-105 Relay is energized by '1'
105-106 Relay is energized by '0'
Table 5-24 meanings of the X5 straps
STRAP X6 SELECTION TIMING MASTER/SLAVE
201-202 Timing slave
202-203 Timing master
Table 5-25 Meaning of strap X6 (part 1)
STRAP X6 Selection co-directional/contra-directional
101-102 Co-directional interface
102-103 Contra-directional interface
Table 5-26 Meaning of strap X6 (part 2)
STRAP X7 Selection clock synchronisation source
101-102 Clock extracted from circuit 0
102-103 Clock from external reference source X9.1
Table 5-27 Meaning of strap X7
74. 70
SHIELD
Connection
STRAP LINE 0 LINE 1 LINE 2 LINE 3
DA/DB (SDT) 102-103 X8.1 X8.5 X8.9 X8.13
DC/DD (SDR) 102-103 X8.2 X8.6 X8.10 X8.14
TA/TB (STT) 102-103 X8.3 X8.7 X8.11 X8.15
TC/TD (STR) 102-103 X8.4 X8.8 X812 X8.16
Table 5-28 Meanings of the straps X8
The meanings of the abbreviations in the table above are:
SDT: Shield data transmitter
SDR: Shield data receiver
STT: Shield timing (transmitter side)
STR: Shield data (receiver side)
5.4. ATU-CH
The ATU-CH (Cailho Signalling) is a 2-wire line interface which connects the ISPBX system to
a PSTN. It is a symmetrical DC signalling, using phantom signals. The a/b wires are switched
in parallel and have the same polarity (earth or minus). The soil is used for the common earth
connection. The a/b wires of the ATU-CH are directly connected to the MDF via front
connector FBC.
When the ATU-CH interworks with MCs and/or ESUs the a/b wires are, via a front connector,
first connected to an MC, MCE or ESU card and via that card to the MDF.
75. 71
117
317
FBC
124
a0......5 : a-wires for trunk lines 0....3
b0......5 : b-wires for trunk lines 0....3
Figure 5-14 Layout Front Connector FBC
5.4.1. ATU-CH02
An ATU-CH02 can either be used for simultaneous signalling or loop signalling, selectable
using straps.
Note: The second identifier of the straps (1 ... 4) indicates the ATU circuit 0 ... 3.
The straps of ATU 0 and 1 are drawn in the simultaneous signalling position; the straps of
ATU 2 and 3 are drawn in the loop signalling position.
a0
b0
a1
b1
a2
b2
a3
b3
76. 72
Mark
BP
BB
X2.1
FBC
X1.1
X2.2
X2.3
X2.4
X1.2
X1.3
X1.4
Figure 5-15 Strap Location on ATU-CH02
5.5. ATU-LD0K
The ATU-LD0K contains four two wire analogue trunk lines with Loop-Disconnect signalling.
This unit is specific to South Africa. The board can be used for DDI and normal outgoing calls
when connected to the PSTN.
5.6. ATU-PSI
The ATU-PSI can be used in the remote door opener mode or in the common answering
emergency service mode. By means of seven straps a discrimination can be made between the
two modes. Care should be taken that no other connections are made than the
interconnections mentioned on the following page.
77. 73
201 101
201 101
Figure 5-16 Strap Location
Note: The straps are drawn in the position for remote door opener with intermitting M - contact
after answering.
Mark
BP
BB
X1-2
206 106
X1-1
206 106
FBC
78. 74
117
317
FBC
124
a0
b0
a1
b1
a2
b2
a3
b3
Figure 5-17 Layout Front Connector FBC
• Remote Door Opener Mode
The following straps are interconnected:
201 101
201 101
Also one of the four following ways of door opening (=operation of the M relay) must be
selected by interconnecting the following pins of X1-2:
-M relay activated intermitting, only after answering : 101 & 102;
• Common Answering Emergency Service Mode
The following straps are interconnected:
103 & 104.
-M relay activated intermitting, regardless of answering : 101 & 102;
103 & 203.
-M relay activated continuously, only after answering : 101 & 201;
103 & 104.
-M relay activated continuously, regardless of answering : 101 & 201;
103 & 203.
a0 / b5 : for connection to an ALC
a1 / b1 : for connection to a door opener or accoustic alarm
a2 / b2 : for connection to a door microphone
a3 / b3 : for connection to a door telephone
X1-2
206 106
X1-1
206 106
X1-1 :
X1-2 :
101 & 201;
103 & 203;
104 & 204;
106 & 206.
105 & 106.
79. 75
X1-2
201 101
206 106
X1-1
201 101
206 106
X1-1 :
X1-2 :
201 & 202;
103 & 103;
204 & 205;
105 & 106.
103 & 203;
105 & 205
Also one of the two following ways of emergency service signalling (=operation of the M
relay) must be selected by interconnecting the following pins of X1-2:
- M relay activated intermitting while accoustic alarm is sounded : 101 & 102.
M relay activated continuously while accoustic alarm is sounded : 101 & 201.
5.7. ATU-ST
5.7.1. ATU-ST02/12
The ATU-Special Type 02 or 12 (ATU-ST02 or ATU-ST12) is a 2-wire line interface which
connects the ISPBX system to a PSTN. The line signalling which is in use in this type of ATU
is an asymmetrical type of signalling with different potentials on the a&b-wires. The signalling
voltage is -60 V; it is derived from the PSU-D and supplied to the ATU-ST card via a line feed
connector FCC and FCD.
Note: The ATU-ST02/12 type is subdivided into a version with 2 or 4 ATU-ST02/12 circuits.
4 Circuit version 2 Circuit version
317
FBC
a0
b0
a1
b1
a0....3 : a-wires for trunk lines 0...3
b0....3 : b-wires for trunk lines 0...3
117
124
a0
b0
a1
b1
a2
b2
a3
b3
117
317
FBC
124
Figure 5-18 Layout Front Connector FBC
If Metering Circuits are used (only for the 2 circuit versions), the outputs of the detectors are
connected to the ATU-ST card via a separate front connector. The wires to the metering level
detectors on the ATU card are MD1&2 and GND1&2.
80. 76
101
301
FAA
108
MD1
GND1
MD2
GND2
MD1 & 2 : metering detector information from the metering circuits
GND1 & 2 : accompanying ground from the metering circuits
Figure 5-19 Layout Front Connector FAA
5.7.2. ATU-ST03
The ATU-ST03 is a line interface which connects the ISPBX system to a PSTN. The DC line
signalling can be done via 2 or 4-wires.
- 2-wire mode:signalling via the a/b wires
- 4-wire mode:signalling in phantom mode via the a/b wires and c/d wires
The a/b and c/d wires of the ATU-ST are directly connected to the MDF via front connector
FBC.
117
317
FBC
124
a0
b0
a1
b1
a2
b2
a3
b3
c0
d0
c1
d1
c2
d2
c3
d3
a0...3 : a-wires for trunk lines 0...3
b0...3 : b-wires for trunk lines 0...3
c0...3 : c-wires for trunk lines 0...3
d0...3 : d-wires for trunk lines 0...3
Figure 5-20 Layout Front Connector FBC
To adapt each of the four ATU-ST03 circuits to the 2-wire or 4-wire mode of operation the
straps has to be set according to the table below.
81. 77
In figure and figure below the straps LKA ... LKK are given as A ... K; the prefix indicates the
circuit number; e.g. strap 3.D indicates strap LKD of circuit 3.
STRAPS 2-WIRE MODE 4-WIRE MODE
LKA Absent Present
LKB Pin 1 & 2 Pin 2 & 3
LKC Pin 2 & 3 Pin 1 & 2
LKD Pin 2 & 3 Pin 1 & 2
LKE Pin 1 & 2 Pin 2 & 3
LKF Present Absent
LKG Present Absent
LKH Absent/Present Absent/Present
LKJ Pin 1 & 2 Pin 2 & 3
LKK Pin 1 & 2 Pin 2 & 3
Table 5-29 Settings for 2-wire or 4-wire mode
The straps LKA ... LKK serve the following:
- LKA and LKB serve for the selection of DC signalling via the a and b wires (2-wire) or the
a/b and c/d wires (4-wire).
- LKC and LKD select the source and terminating impedances.
- LKE selects the transformer DC current cancellation for 2-wire mode.
- LKF selects the duplexor circuit (hybrid) for the 2-wire mode.
- LKG selects the level adaptors for the 2-wire or 4-wire mode.
- LKJ and LKK serve for reversed connection of the polarized seizure detector, which is
necessary for correct functioning due to the cross connected a/b and c/d wires in the 4-
wire mode.
- LKH determines whether the pads for an unamplified line are included or not in the 4-wire
mode. For long line compensation or in case of an unamplified line the strap is absent,
otherwise present.
In the figures below the circuits are strapped for unamplified lines.
83. 79
Mark
BP
BB
2.B 2.A
FBC
1.E 1.C 1.F
2.C 2.F
3.G 3.H 3.D
3.C
2.K 2.J
1.B 1.J
1.A
3.E 4.E
3.A 4.H
4.K 4.J
1.K
1.G
1.H
1.D
2.G 2.H
2.E
2.D
3.F
4.D
3.B
3.J 3.K 4.G
4.A
4.B
4.C 4.F
Figure 5-22 ATU-ST03, 4-Wire Mode Strap Setting
5.7.3. ATU-ST26
The ATU-ST26 is a 3-wire bi-directional line interface which connects the ISPBX system to
the final selector of a PSTN. The c-wire is used as test-wire. The line signalling which is in use
in this type of ATU is an asymmetrical type of signalling with different potentials on the a&b-wires.
The signalling voltage is -60 V; it is derived from the PSU-D and supplied to the ATU-ST
card via a line feed connector FCC and FCD.
The a/b and c-wires of the ATU-ST are directly connected to the MDF via front connector
FBC.
84. 80
109
309
FBB
116
a0
b0
a1
b1
a2
b2
a3
b3
c0
c1
c2
c3
a0...3 : a-wires for trunk lines 0...3
b0...3 : b-wires for trunk lines 0...3
c0...3 : c-wires for trunk lines 0...3
Figure 5-23 Layout Front Connector FBB
• Long Line Adjustment
CIRCUIT INSTALLED OPEN INSTALLED
1 X1-1 X1-5 X2-1 / 101-102
2 X1-2 X1-6 X2-2 / 101-102
3 X1-3 X1-7 X2-3 / 101-102
4 X1-4 X1-8 X2-4 / 101-102
Table 5-30 Long Line Adjustment
• Short Line Adjustment
CIRCUIT INSTALLED OPEN INSTALLED
1 X1-5 X1-1 X2-1 / 102-103
2 X1-6 X1-2 X2-2 / 102-103
3 X1-7 X1-3 X2-3 / 102-103
4 X1-8 X1-4 X2-4 / 102-103
Table 5-31 Short Line Adjustment
• Test/Hold Current
85. 81
CIRCUIT 40/23 mA 22/12 mA
JUMPER INSTALLED ON JUMPER INSTALLED ON
1 X2-5 / 101-102 X2-5 / 102-103
2 X2-6 / 101-102 X2-6 / 102-103
3 X2-7 / 101-102 X2-7 / 102-103
4 X2-8 / 101-102 X2-8 / 102-103
Table 5-32 Test/Hold Current
X2.1
X2.2
X2.3
X2.4
X1.5 X1.6
X1.7 X1.8
-60V line signalling voltage
Figure 5-24 Strap Location on ATU-ST26
Mark
BP
BB
X1.1
X1.3
FBB
X2.5
103
101 103 101
X2.6
103
101 103 101
X2.7
103
101 103 101
X2.8
FCC
103
101 103 101
X1.2
X1.4
FCD
86. 82
5.8. ATU-IL
The ATU-Inter-register L1 (ATU-IL) is a 4-wire line interface which connects the ISPBX
system to another PBX. The signalling used is an inter-register signalling (L1) intended for long
distances and connections via leased lines. It is an AC signalling system consisting of inband
tone signals. Two unidirectional 2-wire links are used for transmission of both voice and
signalling tone in either direction. Per link voice and signalling is never sent at the same time.
All wires of the ATU are directly connected to the MDF via front connector FBB.
109
309
FBB
116
a0
b0
a1
b1
a2
b2
a3
b3
c0
d0
c1
d1
c2
d2
c3
d3
a0...3 : a-wires for trunk lines 0...3
b0...3 : b-wires for trunk lines 0...3
c0...3 : c-wires for trunk lines 0...3
d0...3 : d-wires for trunk lines 0...3
Figure 5-25 Layout Front Connector FBB
5.8.1. ATU-IL01/IL03/IL13/IL31
The straps on these ATUs are used to select the short/long line operation and the direction:
transmit or receive.
The first identifier of the straps (1 ... 4) indicates the ATU circuit 0 ... 3.
For all circuits the following applies:
- X.-1 : not installed : Long Line Outgoing (transmit);
installed : Short Line Outgoing (transmit).
- X.-2 : not installed : Long Line Incoming (receive);
installed : Short Line Incoming (receive).
- X.-3 : may never be installed (factory test only).
- X.-4 : may never be installed (factory test only).
87. 83
Mark
BP
BB
X1.4
FBC
X1.3
X1.1
X1.2
X2.3
X2.4
X2.1
X2.2
X3.3
Build up board (ATU-IL 13 only)
X3.4
X4.4
X3.1
X3.2
X4.3 X4.1
X4.2
Figure 5-26 Strap Location on ATU-IL01/IL03/IL13/IL31
5.8.2. ATU-IL23
The straps X1.1 ... X1.8. are used to select the long line (unamplified) or short line (amplified)
application of the trunk lines; in figure below the straps are drawn for the short line application
of all four trunk lines.
88. 84
LINE DIRECTION STRAP LONG LINE
STRAP POSITION
Table 5-33 Long Line and Short Line Adjustment
The straps X1.9 and X1.10 are used to select the type of signalling of all four trunk lines and
to select a test mode.
Table 5-34 Signalling Type and Test Selection
SHORT LINE
STRAP POSITION
0 Receive (outgoing) X1.1 101-102 102-103
Transmit (incoming) X1.2 101-102 102-103
1 Receive (outgoing) X1.3 101-102 102-103
Transmit (incoming) X1.4 101-102 102-103
2 Receive (outgoing) X1.7 101-102 102-103
Transmit (incoming) X1.8 101-102 102-103
2 Receive (outgoing) X1.7 101-102 102-103
Transmit (incoming) X1.8 101-102 102-103
LINE STRAP X1.9 STRAP X1.10
AC-15-A 101-102 102-103
AC-15-D / CEPT-L1 102-103 102-103
Selftest 101-102 101-102
Factory test 102-103 101-102
89. 85
Mark
BP
BB
FBC
101
103
X1.1
101
103
X1.2
101
103
X1.3
101
103
X1.4
101
103
X1.5
101
103
X1.6
101
103
X1.7
101
103
X1.8
101
103
X1.10
101
103
X1.9
Figure 5-27 Strap Location on ATU-IL23
5.9. ATU-LB
An ATU-Local Battery (ATU-LB) is a 2-wire line interface which connects the ISPBX system
to another PBX or a telephone set with local battery signalling. The a/b wires of the ATU-LB
are directly connected to the MDF via front connector FBC.
90. 86
117
317
FBC
124
a0
b0
a1
b1
a2
b2
a3
b3
a0...3 : a-wires for trunk lines 0...3
b0...3 : b-wires for trunk lines 0...3
Figure 5-28 Layout Front Connector FBC
Strap X1-1 is only valid for the ATU-LB01 with 12NC code 9562 151 4520 only. This version
of ATU-LB01 is compatible with the already installed ATU-LB01: the strap must be placed on
position 101 - 102.
To be able to use the PPU command interface of ATU-LB12 for ATU-LB01, strap X1-1 must
be placed on position 102 - 103.
91. 87
Figure 5-29 Strap Location on ATU-LB01
Mark
BP
BB
101
102
103
X1.1
ATU-LB01 PPU Type Module running
FBC
ATU-LB12 PPU Type Module running
92. 88
5.9.1. ATU-LB12
Mark
BP
BB
FBC
103
X1.1
101
BU2
BU1
103 101
X1.2
Figure 5-30 Strap Location
The 50 Hz ringing current can be supplied either via the front connector (by PSU-F) or back
panel connector.
-Via front connector :X1-1 and X1-2 must be placed on position 102-103.
-Via back panel connector:X1-1 and X1-2 must be placed on position 101-102.
5.10. ATU-G
The Analogue Trunk Unit-General (ATU-G) can replace a number of ATUs with signalling
types AS (ALS70/EO), SS and PD; see the table below. Additionally the ATU-G provides the
metering and emergency switch-over functions and therefore it can replace a few Metering
93. 89
Circuit (MC) and Metering Circuit-Emergency Switch-over Unit (MCE) boards.
COUNTRY ATU REMARKS MC(E)
International AS01 A/D/F/G
SS01
PD11
Italy AS21 Also combination possible: D
SS01 4xSS01 + 4xAS21
Belgium AS24 Also combination possible: F
SS04 4xAS24 + 4xSS02
Extra Long Line adaptation
included
Netherlands AS0B Extra Long Line adaptation A
SS0B included
Switzerland AS2E SS0E replaces the PD2E. D
SS0E
PD2E
Table 5-35 Boards Replaced by ATU-G
All a/b wires of the ATU are directly connected to the MDF via front connector FCA. Front
connector FAD is used to connect the ALC and extension used for the ESU function.
94. 90
101 125
301 325
Ext-
ALC-Ext-
Ext-
Ext-
Ext-a4
FCA FAD
108 132
Figure 5-31 Layout Front Connector FAD & FCA
The 8 DIP switches (S1.1 ... S1.8) can be used to select the required signalling type and
transmission plan; see the table below. When the DIP switches are used the information for
initialisation of the ATU-G is loaded from a ROM on the board.
In the table below the DIP switches are depicted. See figure for the location of the DIP
switches.
Note: The required signalling type and transmission plan can also be downloaded from the PPU
with PPU package 142 or higher. Then all 8 switches must be set to OFF
The ATU-Gs support transmission rates up to 19.2 kbits/s. Note that this figure depends
on other elements (e.g. the quality of the PSTN line). When higher rates are used, it is
advised to test thoroughly in advance.
a0
b0
a1
b1
a2
b2
a3
b3
Ext-a0
ALC-a0
b0
b0
a1
b1
a2
b2
b4
a5
b5
a6
b6
a7
b7
a0...7
b0...7
ALC-a0...1
ALC-b0...1
Ext-a0...1
Ext-b0...1
: a-wires for trunk lines 0...7
: b-wires for trunk lines 0...7
: a-wires for Extension lines 0 & 1
: b-wires for Extension lines 0 & 1
: a-wires for Extension lines 0 & 1
: b-wires for Extension lines 0 & 1
96. 92
REMARKS TYPE OF ATU METERING SWITCH S1.
1 2 3 4 5 6 7 8
- - - - - - 0 0 0 0 0 0 0 0
ATU-PD11 16 kHz MD1 0 0 0 1 1 0 0 1
ATU-PD11 16 kHz MD2 0 0 0 1 1 0 1 0
ATU-SS01 no metering 0 0 0 0 0 0 0 1
ATU-SS01 12 kHz MD 0 0 0 0 0 1 0 0
8xAS21 no metering 0 1 0 0 0 1 0 0
Initialisation by
PPU
Italy 8xAS21 12 kHz MD 0 1 0 0 0 1 0 1
4xSS01 +
4xAS21
no metering 0 0 1 0 0 1 1 0
4xSS01 +
4xAS21
12 kHz MD 0 0 1 0 0 1 1 1
ATU-SS0B no metering 0 0 0 1 1 0 1 1
ATU-SS0B 50 Hz MD 0 0 0 1 1 1 0 0
Netherlands ATU-AS0B no metering 0 0 0 1 1 1 0 1
ATU-AS0B 50 Hz MD 0 0 0 1 1 1 1 0
ATU-SS0B no metering 0 0 1 0 1 1 1 0
Netherlands-Extra
Long Lines
ATU-SS0B 50 Hz MD 0 0 1 0 1 1 1 1
ATU-AS0B no metering 0 0 1 1 0 0 0 0
ATU-AS0B 50 Hz MD 0 0 1 1 0 0 0 1
ATU-SS0E no metering 0 0 1 0 0 0 1 1
Switzerland ATU-SS0E 12 kHz MD 0 0 1 0 0 1 0 0
ATU-AS2E no metering 0 0 1 0 0 1 0 1
MD = Metering
Detection
MD1 = MD High Sensitivity
MD2 = MD Low Sensitivity
1 = ON, 0 = OFF
Table 5-36 Settings for Signalling Type and Transmission Plan for ATU-G
5.10.1. ATU-G2
The Analogue Trunk Unit-General (ATU-G2) resembles the ATU-G, however small
adaptations have been made in order to agree with the requirements for Sweden and New
97. 93
Zealand. Metering is not possible with the ATU-G2. Emergency switch-over is available on the
ATU-G2.
The table below shows the boards which can be replaced by the ATU-G2. See figure for the
location of the DIP switches.
COUNTRY ATU
New Zealand EL03NZ
Sweden SS01
PD07
Table 5-37 Boards Replaced by ATU-G2
The 8 DIP switches (S1.1 ... S1.8) can be used to select the required signalling type and
transmission plan; see the table below. When the DIP switches are used the information for
initialisation of the ATU-G2 is loaded from a ROM on the board.
In the table below the DIP switches are depicted.
Note: The required signalling type and transmission plan can also be downloaded from the PPU
with PPU package 142 or higher. Then all 8 switches must be set to OFF.
REMARKS TYPE OF ATU METERING SWITCH S1.
1 2 3 4 5 6 7 8
Initialisation by PPU - - - - - - 0 0 0 0 0 0 0 0
Sweden ATU-PD07 no metering 0 0 1 1 0 1 1 0
Sweden ATU-SS07 no metering 0 0 1 1 1 1 0 1
New Zealand ATU-PD23 no metering 0 0 1 1 0 1 1 1
1=ON; 0=OFF.
Table 5-38 Settings for Signalling Type and Transmission Plan for ATU-G2
5.10.2. ATU-G3
• ATU-G3 (9562 158 81000)
The Analogue Trunk Unit-General 3 (ATU-G3) resembles the ATU-G, however small
adaptations have been made in order to agree with the requirements for Germany, South
Africa, Spain and China. Emergency switch-over is available on the ATU-G3. The firmware
package is P104 or P105. Only in Spain package P200 is used.
98. 94
The table below shows the boards which can be replaced by the ATU-G3 (9562 158
81000):
COUNTRY ATU METERING
Germany ATU-SS02 MC(E)-C
South Africa ATU-SS03 MC(E)-A/F
ATU-SS0K MC(E)-A/F
Spain ATU-PD1C/SS0C1) MC(E)-A/D
1)The PD1C replaces the SS0C.
Table 5-39 Boards Replaced by ATU-G3 (9562 158 81000)
The 8 DIP switches (S1.1 ... S1.8) can be used to select the required signalling type and
transmission plan; see the table below. When the DIP switches are used the information
for initialisation of the ATU-G3 is loaded from a ROM on the board.
In the table below the DIP switches are depicted. See figure for the location of the DIP
switches.
Note: The required signalling type and transmission plan can also be downloaded from the PPU
with PPU package 142 or higher. Then all 8 switches must be set to OFF.
99. 95
REMARKS TYPE OF
ATU
METERING CALL
DETECT
SWITCH S1.
1 2 3 4 5 6 7 8
Initialisation by
PPU
- - - - - - - - - 0 0 0 0 0 0 0 0
ATU-SS02 no metering Freq. 2 * 0 0 0 0 1 1 0 1
Germany ATU-SS02 16 kHz Freq. 2 * 0 0 0 0 1 1 1 0
ATU-SS02 no metering Freq. 3 * 0 0 0 0 1 1 1 1
ATU-SS02 16 kHz Freq. 3 * 0 0 0 1 0 0 0 0
China ATU-SS0F no metering 0 0 1 1 1 0 0 0
ATU-SS03 no metering 0 0 1 1 1 1 1 0
ATU-SS03 50 Hz 0 0 1 1 1 1 1 1
ATU-SS03 16 kHz 0 1 0 0 0 0 0 0
South Africa ATU-SS0K no metering 0 1 0 0 0 0 0 1
ATU-SS0K 50 Hz 0 1 0 0 0 0 1 0
ATU-SS0K 16 kHz 0 1 0 0 0 0 1 1
ATU-PD1C no metering 0 0 1 0 0 0 0 0
Spain ATU-PD1C 50 Hz 0 0 1 0 0 0 0 1
ATU-PD1C 12 kHz 0 0 1 0 0 0 1 0
France ATU-SS08 no metering 0 1 0 0 0 1 1 0
1=ON; 0=OFF.
* See text for explanation of the frequency ranges.
Table 5-40 Settings for Signalling Type and Transmission Plan for ATU-G3 (9562 158 81000)
The frequency ranges (freq. 2 and freq. 3) as mentioned in the table in the column 'Call
Detect', indicate the frequency ranges of the ringing signals detected by the Call Detector. The
Call Detector detects ringing signals within the following four selectable frequency ranges:
- Range 1:14...21 Hz;
- Range 2:21...31 Hz;
- Range 3:31...62,5 Hz;
- Range 4:14...62,5 Hz (default).
• ATU-G3 (9562 158 81100)
100. 96
This board has the same characteristics as the 9562 158 81000 (mentioned in previous
paragraph), but some requirements for Germany and Spain have been added. The
firmware package used is P110 or higher. This package is not downwards compatible but
it is applicable for all settings in table.
COUNTRY ATU-DDO ATU-DDO
ATU-DDI
ATU-DDI METERING/ES
International SS01/PD11 AS01 MC(E)-A, D, F,
Belgium SS04 AS24 MC(E)-F
France SS08
Netherlands SS0B AS0B MC(E)-A
Spain PD1C MC(E)-A, D
Switzerland SS0E AS2E MC(E)-D
China SS0F
South-Africa SS03 MC(E)-A, F
South-Africa SS0K
MC(E)-A = 50 Hz Metering
MC(E)-D = kHz Metering Circuit
Circuit with ESU,
with ESU,
MC(E)-F = 16 kHz Metering
Circuit with ESU,
MC(E)-G = 12 kHz Metering
Circuit with ESU.
Table 5-41 Functionality of the ATU-G3 (9562 158 81100)
The ATU-G3 (9562 158 81100) replaces the following boards:
G
International :ATU-SS01, ATU-PD11, ATU-AS01;
Belgium :ATU-SS04, ATU-AS24;
Netherlands :ATU-SS0B, ATU-AS0B;
Spain :ATU-SS0C;
Switzerland :ATU-PD2E, ATU-AS2E;
South-Africa :ATU-SS03
Compared with the replaced boards the ATU-G3 (9562 158 81100) offers for Belgium and
the Netherlands a new functionality: special transmission behaviour for extra long trunk lines
(ELL).
101. 97
The DIP-switch settings are given in the table below. See figure for the location of the DIP
switches.
Note: For the international transmission plan 01 an extra transmission level setting has been
added for applications with digital P-sets. This option can be selected by projecting the next
setting: Cpad=1 and Tpad=1.
104. 100
REMARKS TYPE OF ATU METERING SWITCH S1.
1 2 3 4 5 6 7 8
- - - - - - 0 0 0 0 0 0 0 0
ATU-AS2E no metering 0 0 1 0 0 1 0 1
Initialisation by
PPU
MD = Metering
Detection
MD1 = MD High Sensitivity
MD2 = MD Low Sensitivity
1 = ON, 0 = OFF
Table 5-42 Settings for Signalling Type and Transmission Plan for ATU-G3 (9562 158 81100)
5.10.3. ATU-G4
The ATU-G4 board has almost the same characteristics as the ATU-G3 (9561 158 81100)
board but it has special adaptions to fulfil the Italian requirements.
The ATU-SS01 and the ATU-AS21 cover the international transmission plan, the ATU-SS0D
and the ATU-AS2D cover a specific Italian transmission plan.
COUNTRY ATU-DDO ATU-DDI METERING/
ES
TRANSM.
PLAN
Italy SS01 AS21 X 1
Italy SS0D AS2D X D
Table 5-43 Functionality of the ATU-G4
The settings of the DIP switches can be found in the table below. See figure for the location
of the DIP switches.
