Smartcau Plus Installation Guide

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SmartCAU Plus Installation Guide
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ii SmartCAU Plus Installation Guide
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100-099-05 iii
Before you start
Safety
To ensure you do not injure yourself or damage equipment, read Madge Networks Safety Guidelines
(part number 102-002) before installing the product. Madge Networks Safety Guidelines is on the
accompanying CD.
Audience
This guide is for network administrators. It assumes you are familiar with token-ring networking.
Product names
Madge Networks has revised the names of some products.
Part number Product name Alternative name
55-27/28/29 SmartCAU Plus LANStack TR 2L
55-40/41/42 SmartRAM Plus UTP LANStack TR20U
55-30/31/32 SmartRAM STP LANStack TR20S
55-50 SmartLAM Plus UTP LANStack TR20UE
55-10 SmartLAM STP LANStack TR20SE
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iv SmartCAU Plus Installation Guide
The manual
This guide describes how to install the Madge SmartCAU Plus. It does not include instructions for
installing or using the Madge TrueView CAU Manager. For information about managing the
SmartCAU Plus, refer to the booklet accompanying the support CD.
Notes, cautions, and warnings
Note: A note icon indicates information that you should observe.
Caution: A caution icon indicates the possibility of damage to data or equipment.
Warning: A warning icon indicates the possibility of a threat to personal safety.
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100-099-05 v
Contents
Chapter 1 Introduction ................................................................................................................................ 1
About the SmartCAU Plus................................................................................................... 1
Network management.......................................................................................................... 3
Chapter 2 Installing the SmartCAU Plus................................................................................................... 5
Setting up the unit................................................................................................................ 5
Connecting devices .............................................................................................................. 9
Connecting a SmartLAM to the SmartCAU Plus ........................................................9
Connecting a station to the SmartCAU Plus ................................................................9
Connecting a Multistation Access Unit to the SmartCAU Plus ................................10
Planning considerations ..................................................................................................... 11
Cabling distances ..........................................................................................................11
Node counts ..................................................................................................................12
Installing onto a network running LAN Network Manager ........................................... 13
Chapter 3 Start-up processes..................................................................................................................... 15
Booting-up the SmartCAU Plus........................................................................................ 15
Running the self-test program........................................................................................... 16
Running the self-test program automatically .............................................................16
Running the self-test program manually .....................................................................19
Chapter 4 Status information .................................................................................................................... 21
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vi SmartCAU Plus Installation Guide
LCD panel status information .......................................................................................... 21
Screen 1: Name ............................................................................................................ 21
Screen 2: Primary-out address, ring number, IPX number ....................................... 22
Screen 3: IP address & subnet address ....................................................................... 22
Screens 4-7: Control Unit status .................................................................................. 23
Screen 8: Ring status .................................................................................................... 24
Screen 9: Backup path status ....................................................................................... 24
Screen 10: Version numbers ........................................................................................ 24
Screen 11: Date and time ............................................................................................ 25
Alert messages .............................................................................................................. 25
LED status information .................................................................................................... 26
Chapter 5 Downloading microcode ......................................................................................................... 27
LCD messages displayed during the download process ................................................ 27
Appendix A Wrap states............................................................................................................................... 31
Wrap state illustrations ...................................................................................................... 31
Appendix B Using the serial interface ........................................................................................................ 35
Connecting to the serial port............................................................................................. 35
Cable types......................................................................................................................... 36
Pin connections .................................................................................................................. 37
Appendix C Technical specifications.......................................................................................................... 39
Physical specifications ....................................................................................................... 39
Climatic environment specifications................................................................................ 40
Appendix D Error codes ............................................................................................................................... 43
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100-099-05 vii
Self-test messages .........................................................................................................44
Control Unit status messages .......................................................................................45
Ring status messages ....................................................................................................47
Backup path status messages .......................................................................................48
Alert status messages ....................................................................................................49
Appendix E Technical support services...................................................................................................... 53
Appendix F Legal information and acknowledgments.............................................................................. 57
Index...................................................................................................................................................................... 61
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100-099-05 1
Introduction
Chapter 1
Introduction
This chapter describes the Madge SmartCAU Plus and how you can use it in your network.
About the SmartCAU Plus
The Madge SmartCAU Plus is an intelligent wiring concentrator for token-ring networks. You can
connect four token-ring stations to it directly. Alternatively, you can connect a SmartLAM STP or a
SmartLAM Plus UTP to the SmartCAU Plus. These are expansion modules that allow you to
connect token-ring stations to your SmartCAU Plus. The SmartCAU Plus attaches into the main
trunk-cabling. Each SmartCAU Plus can attach to up to four SmartLAM units; each SmartLAM has
twenty connectors on its front panel for attaching lobe cables to workstations on the desktop. By
using up to four SmartLAM units in conjunction with a SmartCAU Plus, you can connect up to
eighty token-ring stations to your SmartCAU Plus.
The SmartLAMs also incorporate intelligence that automatically switches out faulty cables and
equipment so that the network is disrupted as little as possible when faults occur.
You can intermix the Madge SmartCAU Plus with IBM CAUs, and intermix Madge SmartLAM units
with IBM LAMs.
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Chapter 1 Introduction
2 SmartCAU Plus Installation Guide
Figure 1.1 SmartCAU Plus devices and SmartLAM STP devices connecting personal computers to a token-
ring network
Figure 1.2 SmartCAU Plus

100-099-05 3
Introduction
Network management
Madge Networks provides TrueView CAU Manager with the SmartCAU Plus. Use this program to
manage Madge SmartCAU Plus, SmartLAM units, and IBM CAUs and LAMs in your network. It
runs under a range of network management platforms, and provides a graphical user interface.
TrueView CAU Manager enables you to:
• manage the devices and ports
• monitor traffic and view statistical counters
• erase or download microcode
• configure ring security
• configure port security
For more information, refer to the booklet accompanying the support CD.

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Installation
Chapter 2
Installing the SmartCAU Plus
This chapter describes how to install the SmartCAU Plus.
In this chapter:
• Setting up the unit
• Connecting devices
• Planning considerations
• Installing onto a network running LAN Network Manager
Setting up the unit
Before installing the SmartCAU Plus, make sure the environment meets the following requirements:
• the temperature remains between 10°C and 40°C (50°F and 104°F)
• there is mains electrical power available for the SmartCAU Plus
• the sides, front, and rear of the SmartCAU Plus have a clearance of at least 50mm (2in.) to allow
adequate air flow around the device
• if mounting in a rack, the SmartCAU Plus must be installed such that the rack remains stable
Caution: Ensure that connection of the SmartCAU Plus to the existing supply circuit will not
overload the socket outlet. Refer to the SmartCAU Plus nameplate ratings prior to installation.
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Chapter 2 Installing the SmartCAU Plus
Caution: The SmartCAU Plus and SmartLAM do not contain any user-serviceable components. Do
not open up the units. If you attempt to do so, you may damage the components.
Note: The SmartCAU Plus software, which contains the self-test program, is already resident in the
SmartCAU Plus. You do not need to install it.
To install a SmartCAU Plus:
1 Place the SmartCAU Plus securely in a standard 19 inch wide rack. Alternatively, affix the
supplied self-adhesive rubber feet to the underside of the SmartCAU Plus, and place it on a
suitable flat, horizontal, surface. If you are installing the unit on a shelf, make sure that the shelf
can carry the weight of the unit, which is 5kg.
2 Connect the trunk cables to the Ring-In and Ring-Out ports on the front panel of the SmartCAU
Plus, as shown in Figure 2.1.
3 If you are using fiber-optic trunk cables, refer to SmartCAU Plus FTL and UTL Modules
Installation Guide (part number: 100-156) and make the following connections on the Ring-In and
Ring-Out modules.
Table 2.1 Connecting trunk cables to the Ring-In and Ring-Out modules
Trunk Cables Ring-In Ring-Out
Main signal path Input Output
Backup path Output Input

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Installation
4 Select the correct ring speed. The ring-speed switch is on the front panel of the SmartCAU Plus,
as shown in Figure 2.1.
5 Connect the power cable to the power-inlet connector on the rear of the SmartCAU Plus (as
shown in Figure 2.2) and then plug the power cable into the AC outlet. The input voltage for the
SmartCAU Plus is auto-ranging, so you do not need to set a voltage selector switch.
Figure 2.1 The front panel of the SmartCAU Plus

Figure 2.2 The rear panel of the SmartCAU Plus
The system-rating label on the side of the SmartCAU Plus shows the input-voltage ranges. The
SmartCAU Plus automatically runs a self-test to make sure that it is operating correctly. For more
information on the SmartCAU Plus self-test program, see Chapter 3, Start-up processes.
To manage the SmartCAU Plus and SmartRAM, run TrueView CAU Manager which is provided
with the SmartCAU Plus. This is described in the booklet accompanying the support CD.
Note: Token-ring networks are resilient to the temporary disruptions to network signals that occur
when nodes are inserted into and disconnected from the network. When connecting and
disconnecting cables, you do not need to remove power to the SmartCAU Plus.

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Installation
Connecting devices
Connecting a SmartLAM to the SmartCAU Plus
For information about installing a SmartLAM onto your network, refer to SmartLAM STP and
SmartLAM Plus UTP Installation Guide (part number: 100-080).
You can combine a SmartCAU Plus and a SmartLAM with IBM CAUs and LAMs. The IBM CAU
has two sets of numbered D-type connectors on its rear panel. The procedure for attaching the LAM
cables is the same as that for a Madge SmartCAU Plus. An IBM passive LAM has two cables: one 25-
way cable and one 9-way cable. The procedure for attaching an IBM LAM to the SmartCAU Plus is
the same as that for a SmartLAM.
Note: When attaching a SmartLAM Plus UTP and a SmartLAM STP to the same CAU, make sure
the SmartLAM Plus UTP is upstream of the SmartLAM STP (that is the SmartLAM Plus UTP
precedes the SmartLAM STP in the ring). To do this, connect the SmartLAM Plus UTP to a lower
numbered Control Unit than the SmartLAM STP.
Connecting a station to the SmartCAU Plus
You may want to connect a single token-ring station to a SmartCAU Plus in place of one of the
Expansion Units. For example, you may wish to connect four or fewer stations to a SmartCAU Plus
so as not to incur the additional cost of an Expansion Unit. To connect a station to your SmartCAU
Plus, use a token-ring data cable (9-way D-type to MIC cable) between the token-ring signal
connector on the rear of the SmartCAU Plus and your patch panel. To connect between the patch
panel and the token-ring adapter, use another data cable. You cannot use a local data cable to connect
the SmartCAU Plus to the adapter.

Connecting a Multistation Access Unit to the SmartCAU Plus
Note: When attaching a SmartLAM Plus UTP and a Multistation Access Unit (MAU) to the same
SmartCAU Plus, make sure the SmartLAM Plus UTP is upstream of the MAU. When attaching a
SmartLAM STP and a MAU to the same SmartCAU Plus, it does not matter which one is upstream
of the other. To do this, connect the SmartLAM Plus UTP to a lower numbered Control Unit than
the SmartLAM STP.
To connect a MAU to the SmartCAU Plus:
1 Connect the Ring-In port of the MAU to one of the token-ring ports on the back of the
SmartCAU Plus, using a data cable.
2 Either leave the Ring-Out port of the MAU unconnected or connect it to the Ring-In port of
another MAU. Although you can connect a large chain of MAUs in this way, we recommend you
do not connect more than two.
3 If the SmartCAU Plus is already switched on and working, it will not detect the MAU until the
next time it starts up. To force the SmartCAU Plus to detect the MAU immediately, press the
reset button on the SmartCAU Plus.
Note: The SmartCAU Plus may not configure correctly if there is no node inserted into the MAU
when the SmartCAU Plus initially powers up. In such instances, the nodes diagnostic software
should be used to ensure correct configuration.

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Installation
What happens if there is a faulty node attached to the MAU?
If a node connected to the MAU causes the ring to beacon, the SmartCAU Plus disables the MAU.
Although only one node attached to the MAU may be faulty, the SmartCAU Plus removes all the
MAU's nodes from the ring by disabling the MAU. When the fault is removed, the SmartCAU Plus
does not automatically re-enable the MAU. To re-enable the MAU, use TrueView CAU Manager.
For more information, refer to the booklet accompanying the support CD.
Planning considerations
Cabling distances
The following table shows the maximum cabling distances the SmartCAU Plus supports using
different cabling media and running at different ring speeds:
If your ring contains a mixture of SmartCAU Plus units and MAUs, the maximum effective length of
any trunk segment between the Ring-Out and Ring-In ports of two SmartCAU Plus units is still
390m for copper trunk cable.
Table 2.2 Maximum cabling distance supported
Cable Type 4Mbps 16Mbps
STP trunk cable 390m 175m
Fiber-optic trunk cable 2km 2km

If there is an 8-Station Ringhub between the two SmartCAU Plus units, the effective length of the
trunk segment is the sum of:
• the length of trunk cable between the Ring-Out port of SmartCAU Plus 1 and the Ring-In
socket of the MAU
• the equivalent cabling length of the MAU (5m)
• the length of the longest lobe from the MAU
• the length of trunk cable between the Ring-Out port of the MAU and the Ring-In socket of
SmartCAU Plus 2
For example, in the following diagram, the effective length of the trunk segment between
SmartCAU Plus 1 and SmartCAU Plus 2 is calculated as: a + b + c + 5 meters.
Figure 2.3 Calculating the ring length of the trunk segment
Node counts
Madge token-ring equipment supports a maximum of 260 nodes on a single ring. A SmartCAU Plus
contains three nodes in its internal circuitry. Take these nodes into account when you calculate the
number of stations that can be connected to the ring, since each SmartCAU Plus reduces the
maximum number of stations by three.

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Installation
Installing onto a network running LAN Network Manager
To install a SmartCAU Plus onto a network that is managed by LAN Network Manager:
1 If there are no bridges connected to the ring containing the SmartCAU Plus, go to step 2.
Otherwise, make sure you have the controlling link to all bridges connected to the ring with the
SmartCAU Plus.
2 Reset the SmartCAU Plus by pressing the reset button (see Figure 2.1).
3 After the SmartCAU Plus restarts, select F5-Refresh or press the F5 function key. LAN Network
Manager’s CAU List window contains the SmartCAU Plus listed with the correct ID (the node
address).
If the SmartCAU Plus does not appear in the list, check that all the bridges on the ring are linked by
the controlling link and repeat steps 2 and 3.
On the LAN Network Manager screen, the registered state appears next to the ID of the SmartCAU
Plus. If this displays YES, the LAN Network Manager has successfully registered with the
SmartCAU Plus and is in full control of it.
If the registered state displays NO, the LAN Network Manager has failed to register the SmartCAU
Plus for one of the following reasons:
• there are too many registered managers (more than four in the case of SmartCAU Plus)
• the password on the SmartCAU Plus is incorrect. SmartCAU Plus passwords are stored in
non-volatile memory and are not reset during power-off. To reset the password to the default
setting, press and hold down the reset button until the LCD panel displays the following
message:
LCD panel: Please release now for
erase configuration

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Start-up
processes
Chapter 3
Start-up processes
This chapter describes the processes the SmartCAU Plus performs on start-up, and how to run the
self-test program automatically and manually.
In this chapter:
• Booting-up the SmartCAU Plus
• Running the self-test program
Booting-up the SmartCAU Plus
When you boot-up a SmartCAU Plus, it performs the following actions:
1 The SmartCAU Plus isolates itself from the ring by wrapping its Ring-In and Ring-Out ports.
The LEDs on its front become red.
2 The SmartCAU Plus self-test program runs, which checks that the hardware of the SmartCAU
Plus (and of any connected Expansion Units) is working correctly. If any problems are
encountered, the LCD panel displays an error message and the corresponding error number. For
more information about the self-test program, see the section “Running the self-test program”
later in this chapter.
3 The SmartCAU Plus opens its three internal adapters (referred to as “MACs”).
4 If the ring segment to which the SmartCAU Plus is connected is working correctly, the
SmartCAU Plus changes the wrap states of the Ring-In and Ring-Out ports to “wrap normal” in
order to connect the SmartCAU Plus into the rest of the ring. The LEDs turn green or switch off.
For more information about the LEDs, see “LED status information” in Chapter 4, Status
information.
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Chapter 3 Start-up processes
During these steps, the LCD panel displays progress messages. When the start-up process is
complete, the LCD panel displays information about the status of the SmartCAU Plus on the
network. For more information about the LCD panel, see “LCD panel status information” in
Chapter 4, Status information.
Running the self-test program
Running the self-test program automatically
Note: The software containing the self-test program is already resident in the SmartCAU Plus. Do
not try to install it.
The self-test program runs automatically when you:
• provide power to the SmartCAU Plus
• download new microcode to the SmartCAU Plus. For information on downloading microcode,
see Chapter 5, Downloading microcode
• press the reset button on the front of the SmartCAU Plus
• change the setting of the ring-speed switch on the front of the SmartCAU Plus

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Start-up
processes
The test has nine stages. While the test is running, the LCD panel displays the following information
about the test’s progress.
LCD panel: Self-test <x>
<y>
Parameters: <x> The version number of the code stored in the boot EPROM
inside the SmartCAU Plus.
<y> The test number refers to the stage the self-test program has
reached. Some of these test stages are carried out so quickly
that the number is not displayed long enough for you to see
it, unless an error occurs.
For a list of test numbers that are displayed when an error
occurs during the self-test program, see Appendix D, Error
codes.

If the SmartCAU Plus fails the self-test program at any stage, the LCD panel displays the following
message.
Note: If a hardware error occurs, note the error number and contact your supplier who will be able to
help you. Hardware errors occur very rarely.
If the SmartCAU Plus passes the self-test program, the LCD panel displays the message.
During this test the SmartCAU Plus checks that it is communicating correctly with any Expansion
Units that are connected to it. The green LEDs on the Expansion Units flash several times.
LCD panel: Hardware error <x>
<z>
Parameters: <x> The version number of the code stored in the boot EPROM
inside the SmartCAU Plus.
<z> The error number is a four digit number used to diagnose
hardware errors.
For a list of error numbers, see Appendix D Error codes.
LCD panel: SmartCAU Plus internal test
Please wait

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Start-up
processes
Running the self-test program manually
To start the SmartCAU Plus self-test program manually or to reset the SmartCAU Plus to its default
state, press and hold down the reset button (see Figure 2.1). When this is done, the LCD panel
displays the following instructions sequentially (the result of following each instruction is also
displayed in the table below).
Use the final option to erase any faulty microcode that has been downloaded. In such instances,
download a new microcode following the instructions contained in the booklet accompanying the
support CD.
After displaying the last message, the LCD displays the first message until the reset button is
pressed again.
Table 3.1 LCD display messages from holding down the reset button
LCD Display Result
Release reset now
for normal reboot
The self-test program runs
Release reset now for
erase configuration
• The self-test program runs
• The configuration parameters are reset to the default state
• All ports on all attached LAMs are enabled
• The password is reset to the default setting (00000000)
Release reset now for
erase flash program
• The self-test program runs
• The loader program runs (which erases the current microcode)

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Status
information
Chapter 4
Status information
This chapter describes the information provided by the LCD panel and LEDs on the front of the
SmartCAU Plus. This information speeds up fault-finding during installation and provides useful
configuration data.
In this chapter:
• LCD panel status information
• LED status information
LCD panel status information
The LCD has eleven screens of information. To select screen, use the paddle switch next to the
LCD panel (see Figure 2.1). To move to the next screen, flick the switch downwards. To move to
the previous screen, flick the switch upwards.
The LCD panel can display the following SmartCAU Plus status screens:
Screen 1: Name
This screen contains the name of the product. If you have specified a name for the SmartCAU Plus
using TrueView CAU Manager, this is also displayed.
LCD panel: Madge SmartCAU Plus
Sp46 CAU1 405
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Chapter 4 Status information
Screen 2: Primary-out address, ring number, IPX number
This screen contains three items of information:
• the address of the primary-out adapter. This is the lowest of the three consecutive node
addresses of the SmartCAU Plus
• the number of the ring that the SmartCAU Plus is connected to. The SmartCAU Plus obtains
this information from source-routing bridges. If the SmartCAU Plus is on a network that consists
of a single ring, this number is zero
• the IPX network number. The SmartCAU Plus obtains this number from Novell NetWare
servers or IPX routers
Screen 3: IP address & subnet address
This screen contains two items of information:
• the IP address
• the subnet address
LCD panel: PO Address: 0000F633336C
Ring: 104 IPX: 0A012002
LCD panel: IP addr: 212.606.919.4
Subnet: 303.383.393.3

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Status
informations
Screens 4-7: Control Unit status
The next four screens display information about the four Control Unit ports. If an Expansion Unit or
a single station is connected, the LCD panel displays its type and the number of faulty ports. For
IBM LAMs, a single number is displayed. For Madge SmartLAM units, the number of ports that are
disabled because a connected adapter is set to the wrong ring speed is displayed separately from the
number of ports reporting other types of fault.
For a list of the LCD messages displayed to indicate the status of the Expansion Unit, see “Control
Unit status messages” in Appendix D, Error codes.
On the rear of the SmartCAU Plus, there are two connectors for each port: a 9-way D-type connector
and a 25-way D-type. The 25-way connector takes precedence over the 9-way connector. For
example, if an Expansion Unit has its 9-way connector attached to Port 1 and its 25-way connector
attached to Port 2, the display for Port 1 reads:
whilst the display for Port 2 reads:
LCD panel: Port 1: node connected
LCD panel: Port 2: badly cabled
Check the cables

Screen 8: Ring status
This screen shows the status of the primary-ring path and indicates the wrap state of the SmartCAU
Plus. If the SmartCAU Plus has not detected any faults, the LCD displays the message:
If you set the wrap state of the SmartCAU Plus using a management program, and the SmartCAU
Plus cannot set itself to the desired wrap state, a message warns you of the situation.
When beaconing is detected on the primary path, there are four possible error situations. For a list of
the LCD messages displayed to indicate the status of the ring, see “Ring status messages” in
Appendix D, Error codes.
Screen 9: Backup path status
The SmartCAU Plus monitors whether the backup path is in use. For a list of the LCD messages
displayed to indicate the status of the backup path, see “Backup path status messages” in Appendix
D, Error codes.
Screen 10: Version numbers
This screen displays the version number of the microcode loaded in the SmartCAU Plus, and the
version number of the SmartCAU Plus hardware.
LCD panel: Ring operating normally
No faults detected
LCD panel: Microcode version 3.10
Hardware version 1.00

100-099-05 25
Status
informations
Screen 11: Date and time
The SmartCAU Plus receives date and time information from a management program. If no
management program has communicated with the unit, the LCD panel displays the message:
However, after you switch-off a management program, the SmartCAU Plus continues to update the
date and the time information.
Note: If you run more than one management program on the network, the SmartCAU Plus may
receive conflicting date and time information. In such a case, the date and time display may jump
between the information supplied by the various management programs.
Alert messages
The LCD panel also displays alert messages, which appear whenever the status of the SmartCAU
Plus (for example, the wrap state) changes. Each alert has an associated alert number. For a list of all
the alert messages displayed, see “Alert status messages” in Appendix D, Error codes.
LCD panel: Time has not been set
LCD panel: Mon Aug 14th 1997
16:00:45

LED status information
The Ring-In (RI) and Ring-Out (RO) LEDs on the SmartCAU Plus have four possible states.
The following table explains what these states mean:
Table 4.1 Status information provided by the LED on the SmartCAU Plus
RI and RO LED color Description
Off The RI (RO) port is wrapped and there is no valid token-ring signal.
Green The RI (RO) port is unwrapped and there is a valid token-ring signal.
Amber The RI (RO) port is wrapped. A user of a management program
managing the SmartCAU Plus forced the port to wrap.
Red The RI (RO) port is wrapped due to a fault.

100-099-05 27
Downloading
microcode
Chapter 5
Downloading microcode
This chapter describes the information displayed by the SmartCAU Plus LCD during the
downloading of microcode. For more information on downloading microcode, refer to the booklet
accompanying the support CD.
LCD messages displayed during the download process
The LCD panel displays the following message as soon as you specify that you want to download
microcode:
The SmartCAU Plus software automatically runs the self-test program. After the SmartCAU Plus
passes the nine stages of the self-test, the loader program runs. This erases the old microcode and
loads the new microcode you specified. The LCD panel displays the following four lines:
LCD panel: Manager started download
of new code
LCD panel: SmartCAU loader
Waiting for code
Erasing code
Loading new code
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Chapter 5 Downloading microcode
At the same time, the LCD panel may also display the following messages on the line below, one
message for each port of the SmartCAU Plus:
Table 5.1 LCD information displayed during the downloading of new microcode
LCD Display Description
Start The SmartCAU Plus is checking that the adapter is present
Opening The SmartCAU Plus is opening the adapter
Open The SmartCAU Plus successfully opened the adapter. This is the normal status
for the adapter
Cable? The cable is disconnected or broken
Speed You have selected the wrong speed for the ring to which the port is connected.
Set the switch on the front of the SmartCAU Plus to the correct ring speed for this
port
Failed The SmartCAU Plus failed to open the adapter. Check that the cables are not
loose or incorrectly connected. Check also that the ring speed is correct and that
the ring is functioning properly
Beacon The ring to which the adapter is connected is inoperative and therefore, the
adapter cannot open
Closed The adapter is closed. Check that the cable is not disconnected or broken

100-099-05 29
Downloading
microcode
Note: You can start the loader program manually using the reset button on the front of the
SmartCAU Plus. For more information, see “Running the self-test program” in Chapter 3, Start-up
processes.
When the SmartCAU Plus has successfully loaded the new microcode, it re-boots and the self-test
runs again to check that the SmartCAU Plus hardware is still working correctly.
When the self-test program completes, the LCD panel displays the following message:
This is followed by information about the current status of the SmartCAU Plus. For more
information, see “LCD panel status information” in Chapter 4, Status information.
LCD panel: SmartCAU starting
Please Wait

100-099-05 31
Wrapstates
Appendix A
Wrap states
This appendix describes the wrap states you can configure using the Ring-In and Ring-Out ports of
the SmartCAU Plus.
Wrap state illustrations
You can individually wrap the token-ring signal between the primary path and the backup path of the
SmartCAU Plus, giving a total of four possible wrap states. The signal path in each of the four wrap
states is illustrated below:
Figure A.1 Wrap Normal signal path
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Appendix A Wrap states
Figure A.2 Wrap Ring-In (Wrap RI) signal path
Figure A.3 Wrap Ring-Out (Wrap RO) signal path

100-099-05 33
Wrapstates
Figure A.4 Wrap Ring-In and Ring-Out (Wrap RIRO) signal path
Note: Wrapping the Ring-In or Ring-Out port of a SmartCAU Plus may divide your network into
separate segments. However, the three nodes of the SmartCAU Plus are arranged such that at least
one of the nodes is always present on each ring segment.

100-099-05 35
Serialinterface
Appendix B
Using the serial interface
This appendix describes the devices you can use to remotely manage the SmartCAU Plus using its
serial connector. It also describes the types of cable and the pin connections you use.
Connecting to the serial port
The SmartCAU Plus has a serial connector on the rear panel of the unit. You can plug one of the
following into the connector and use it to manage the SmartCAU Plus remotely:
• a serial terminal that supports a fixed serial format of 9600 baud, 8 bits, 1 stop bit, and no parity.
No particular type of terminal is required. No control code or escape sequences are used. When
you switch on the SmartCAU Plus, the screen displays a few characters. These characters are
modem commands, in case a modem is connected. After the screen displays the modem
characters, a command-line interface is available
• a modem that is a 100% Hayes-compatible modem. When it is switched on, the SmartCAU Plus
puts the modem into auto-answer mode and it can then be dialled up using another modem and
terminal. To manage the SmartCAU Plus, a command-line interface is available
10009905.bk : b-serial.fm Page 35 Tuesday, March 24, 1998 3:05 PM

Appendix B Using the serial interface
Cable types
To connect a modem to a SmartCAU Plus, use a straight-through cable. This cable is also known as a
PC to modem cable.
To connect a personal computer to a SmartCAU Plus, use a null-modem cable. This cable is also
known as a PC to PC cable.

100-099-05 37
Serialinterface
Pin connections
The following two diagrams illustrate the pin connections when you connect a SmartCAU Plus to a
personal computer or to a modem:
Figure B.1 Normal “straight through” RS232 cable
Figure B.2 Null modem RS232 cable

100-099-05 39
Technical
specifications
Appendix C
Technical specifications
This appendix describes the technical specifications of the SmartCAU Plus.
In this appendix:
• Physical specifications
• Climatic environment specifications
Physical specifications
Table C.1 Physical specifications
Characteristic Description
Network type IEEE 802.5 Token Ring 4 Mbps or 16 Mbps
Dimensions 481mm x 317mm x 88.5mm
Mounting 19-inch-wide rack; occupies 2U
Weight 5Kg
10009905.bk : c-specs.fm Page 39 Tuesday, March 24, 1998 3:05 PM

Appendix C Technical specifications
Climatic environment specifications
Connectors Four 9-pin D-type (Expansion Unit data)
Four 25-pin D-type (Expansion Unit control)
One 25-pin D-type (serial port)
Two 802.5 data connectors
Power supply 100-110V ac and 220-240V ac; 50-60 Hz auto-ranging
Power consumption 100W typical with four Expansion Units
Insertion Voltage 2.7V minimum
Removal Voltage 1.0V maximum
Phantom load resistance 4.7 kΩ
Table C.2 Climatic environment specifications
Feature Description
Operating range
Temperature range 10°C to 40°C
Table C.1 Physical specifications
Characteristic Description

100-099-05 41
Technical
specifications
Relative humidity 10 to 90% Non-condensing
Storage
Temperature range -40°C to 60°C
Table C.2 Climatic environment specifications
Feature Description

100-099-05 43
Errorcodes
AppendixD
Error codes
This appendix describes all the alert message that the SmartCAU Plus displays.
The following notations have been used when displaying a message on the LCD:
n- the number of the port, fault, or speed of the ring
type- the type of device attached to the port
state- the wrap states of the ring
the following states can be seen: RI (Ring-In), RO (Ring-Out), RI and RO, or Normal
The alert messages are split into the following tables:
• Table D.1 Test parameters displayed during the self-test program, page 44
• Table D.2 Control unit status messages, page 45
• Table D.3 Ring status messages, page 47
• Table D.4 Backup path status messages, page 48
• Table D.5 Alert status messages, page 49
10009905.bk : d-errors.fm Page 43 Tuesday, March 24, 1998 3:05 PM

Appendix D Error codes
Self-test messages
Listed below are the self-test messages that are displayed on the LCD panel of a SmartCAU Plus.
Table D.1 Test parameters displayed during the self-test program
TEST parameter Parameter Description
Self test phase codes <y>
1 SRAM Data line test
2 SRAM Address line test
3 SRAM Test passed
9 Flash image validation
Hardware error codes <z>
4470 Flash bank “B” has incorrect ID
4471 Flash bank “C” has incorrect ID
4473 SRAM Address test failed
4474 SRAM Data test failed
On original SmartCAU
only
4776
Burnt-In Address is invalid

100-099-05 45
Errorcodes
Control Unit status messages
Listed below are the alert messages that are displayed on the LCD panel of a SmartCAU Plus
regarding the Control Unit status.
Table D.2 Control unit status messages
LCD panel display
Alert
Number
Description
Port n: not connected 4280 Nothing is attached to the Control Unit port
Port n: LAM connected
n faults
4282 A non-Madge LAM is connected to a Control Unit port
Port n: [type]
n faults, n wrong speed
4283 A SmartLAM is connected to a Control Unit port
Port n: [type]
Disabled by manager
4284 The Control Unit port has been disabled by management
Port n: [type]
Disabled due to fault
4285 Control Unit port has been disabled due to a fault.
For example, a SmartLAM was attached, and the ring then
entered a permanent beaconing state
Port n: node inserted 4286 A single node is connected to the Control Unit port
Port n: disabled by
manager
4287 A node is inserted into a Control Unit port, but the Control
Unit port is disabled
Port n: disabled
Wrong ring speed
4288 Control Unit port is disabled because inserted node is at
wrong ring speed

Port n: badly cabled
Check the cables
4289 Control Unit is incorrectly connected.
For example, one cable is in Control Unit port 1 and the
other is in port 2
Port n: MAU inserted 5001 A MAU is connected to the SmartCAU Plus
Port n: disabled by
manager
5002 Control Unit port with a MAU attached has been disabled by
management
Port n: disabled
Wrong ring speed
5003 A Control Unit port with a MAU attached where there is a
node inserted into the MAU at the wrong ring speed
Table D.2 Control unit status messages
LCD panel display
Alert
Number
Description

100-099-05 47
Errorcodes
Ring status messages
regarding the ring status.
Table D.3 Ring status messages
LCD panel display
Alert
Number
Description
Adjacent to fault
Waiting for ring to wrap
4307 The SmartCAU Plus is the nearest Control Unit downstream
of the fault: this particular SmartCAU Plus is controlling the
reconfiguration process
Primary path beaconing
Reconfiguring the ring
4308 The primary path is beaconing. This SmartCAU Plus may be
involved in the reconfiguration process
Configured to wrap
[state] by manager
4309 If a wrap mode has been configured by management
Fault present, requested
wrap [state] unavailable
4310 If a wrap mode has been configured by management, but it
cannot be selected due to a problem on the ring
Wrapped RI and RO
Isolated from main ring
4311 The SmartCAU Plus has detected a fault on the ring path
within its own Expansion Units and has wrapped its Ring-In
and Ring-Out ports to isolate itself from the ring
Primary path beaconing 4361 The primary path is beaconing but this SmartCAU Plus is not
involved in the reconfiguration process

Backup path status messages
regarding the backup path status.
Table D.4 Backup path status messages
LCD panel display
Alert
Number
Description
Backup path not used
Available for use
4340 The SmartCAU Plus monitors whether the backup path is in
use, if not then this message is displayed
Backup path beaconing 4341 The backup path is beaconing
Backup path in use
(device is wrapped)
4342 The backup path is in use because one or both of the
SmartCAU Plus ports are wrapped
Backup path in use
(Ring is wrapped)
4343 The backup path is in use because the ring signal is wrapped
elsewhere on the ring
Backup path incorrect
Check RI/RO config
5007 For a fibre trunk connection using only Madge devices, it is
possible to detect incorrect cabling (for example, Ring In to
Ring In)

100-099-05 49
Errorcodes
Alert status messages
Listed below are the alert messages that are displayed for a period of five seconds on the LCD panel
of a SmartCAU Plus.
Table D.5 Alert status messages
LCD panel display
Alert
Number
Description
LAM n disabled
because of fault
4313 Alert when a Control Unit port has been disabled because of
a fault. For example, a Madge SmartLAM was inserted, and
the ring started beaconing
Disabled LAM n, port n
because of fault
4314 Alert when a Expansion Unit port has been disabled because
of a fault. For example, the inserted node has repeatedly
caused the Ring Poll to fail
Primary path beaconing
Reconfiguring
Alert when the primary ring is beaconing
MAC n duplicate address
[Node address]
4344 Alert that is displayed if the device detects another node on
the ring using the same MAC address as itself
Out of date password in
config ROM
4353 This alert is displayed if the password stored in the
configuration memory is too short or long to be used with the
current microcode. If this happens, the password is reset to
the default password

Out of date node info in
config ROM
4354 This alert is displayed if the node information stored in the
configuration memory is incompatible with the current
microcode. The node information will not be used, and will
need to be re-entered
Port n has been
disconnected
4362 Alert if a node is unplugged from a Control Unit port
Port n: disabled by
manager
4363 Alert if a Control Unit port is disabled by management
LAM n disconnected with
n ports inserted
4290 Alert displayed if a Expansion Unit was unplugged from a
CAU port while there were nodes inserted into it
Attempt to insert into
disabled port n
4291 Alert when a Expansion Unit is inserted into a Control Unit
port that is disabled
Disabled port n, LAM n
Insertion attempted
4292 If a node tries to insert into a Expansion Unit port that has
been disabled by management
Port n, LAM n disabled
Wrong ring speed
4293 If a node tries to insert into a Expansion Unit, and it is using
the wrong ring speed
Manager requested
wrap [state]
4298 Alert if management sets the wrap state to a particular value
LCD panel display
Alert
Number
Description

100-099-05 51
Errorcodes
Wrap state has changed
to wrap [state]
4299 Alert if operation of the dual reconfiguring ring protocol sets
the wrap state to a particular value
RESTART ALERTS
Changing some configuration items causes the device to re-boot in order to start using the new
values
Speed switch has changed
Restarting...
4300 The speed switch is toggled
Manager has reset
the device
4364 The manager requests a system re-boot
RMON mode has changed
Restarting...
5009 The RMON mode is changed by management
LCD panel display
Alert
Number
Description

100-099-05 53
Technical
support
Appendix E
Technical support services
Technical support is available to all Madge customers.
To receive technical support:
• email Technical Support (see “Telephone, fax, and email”)
• telephone Madge Technical Support (see “Toll-free regional support numbers”)
To get software upgrades and product information:
• use the World Wide Web home page (http://www.madge.com)
• use Madge the FTP server (ftp.madge.com)
• use the Madge FaxBack Product Information Service (see “Madge FaxBack”)
• contact your local Madge office or representative
10009905.bk : e-supprt.fm Page 53 Tuesday, March 24, 1998 3:05 PM

Appendix E Technical support services
World Wide Web (WWW)
To access the Madge Networks service on the web, use either a web browser or FTP software.
Using a web browser
To access the full home page service, enter the URL:
http://www.madge.com
Using FTP software
If you do not have a web browser, you can still download new or updated software by using FTP
software.
If you use FTP software:
1 Connect to FTP:
• ftp.madge.com (U.S. service)
• ftp-eur.madge.com (Europe service)
2 The system prompts you for your login name.
Type ANONYMOUS
3 The system prompts you for a password.
Type your full email address.
4 Once this is complete, you can issue file transfer commands.

100-099-05 55
Technical
support
Telephone, fax, and email
Madge FaxBack
The Madge FaxBack Product Information Service (based in the United States) is an international
service for all Madge customers.
To request technical support documents, marketing documents, and information about seminars and
events organized by Madge Networks, phone +1 408 383 1002.
Region Support Service Support Number
Europe, Middle East, Africa Telephone +44 1753 661952
Fax +44 1753 661012
Email eurtech@madge.com
Americas Telephone +1 800 876 2343
Fax +1 408 955 0970
Email us-suprt@madge.com
Asia, Australia, New Zealand Telephone +61 2 993 61700
Fax +61 2 993 61799
Email asiatech@madge.com
Japan Telephone +81 045 825 8192
Fax +81 045 825 8072

Toll-free regional support numbers
* Indicates local telephone numbers where the calls are charged at the normal rate
Country Number Country Number
Americas 800 876 2343 Netherlands 0800 022 7120
Australia 02 9936 1739 * Norway 800 11759
Austria 0660 8366 Portugal 0505 444 602
Belgium 0800 10485 Singapore 800 852 3151
Denmark 800 17649 South Africa 0800 991013
Finland 0800 118 074 Spain 900 974412
France 0800 90 82 50 Sweden 020 793127
Germany 0130 868828 Switzerland (French) 0800 55 6432
Hong Kong 2593 9839 * Switzerland (German) 0800 55 1057
Israel 177 440 2530 Thailand 2231 8191 *
Italy 1678 72092 United Kingdom Lo-call:
0345 125539
Malaysia 800 4137

100-099-05 57
Legal
information
Appendix F
Legal information and acknowledgments
Mandatory regulations
General requirements
The sections that follow outline the mandatory regulations governing the installation and operation
of the SmartCAU Plus. Adherence to these instructions is necessary to ensure that regulatory
compliance requirements are met.
For safe operation and servicing, the socket-outlet shall be installed near the equipment and shall be
easily accessible.
This equipment must be earthed. If mounting the SmartCAU Plus in a rack, ensure that other
connections to the branch circuit (for example power strips) are also earthed.
Europe
European directives
The CE mark indicates that the requirements of the following European Directives have been met:
• 89/336/EEC Electromagnetic Compatibility Directive
• 73/23/EEC Low Voltage Directive
• 93/68/EEC CE Marking Directive
10009905.bk : z-legal Page 57 Tuesday, March 24, 1998 3:05 PM

Appendix F Legal information and acknowledgments
58 Legal information and acknowledgments
Warning: This is a Class A product. In a domestic environment this product may cause radio
interference in which case the user may be required to take adequate measures.
United States
Federal Communications Commission
This equipment has been tested and found to comply with the limits for a Class A digital device,
pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection
against harmful interference in a commercial environment. This equipment generates, uses and can
radiate radio frequency energy and, if not installed and used in accordance with the instruction
manual, may cause harmful interference to radio communications. Operation of this equipment in a
residential area is likely to cause harmful interference, in which case the user will be required to
correct the interference at his or her own expense.
Canada
Industry Canada
This Class A digital apparatus meets all requirements of the Canadian interference-causing
equipment regulations.
Cet appareil numérique de la classe A respecte toutes les exigences du Règlement sur le matériel brouiller du
Canada.

100-099-05 59
Legal
information
Disclaimer
Neither Madge Networks Limited or its affiliated companies (together collectively “Madge”) make
any warranties about the information in this installation guide. Under no circumstances shall Madge
be liable for costs of procurement of substitute products or services, lost profits, lost savings, loss of
information or data or any other special, indirect, consequential or incidental damages, arising in any
way out of the use of its products, whether or not used in accordance with the installation guide.
Information in this manual is subject to change at any time.
Acknowledgments
Madge, the Madge Logo, SmartCAU Plus, SmartRAM, SmartRAM Plus, SmartLAM, SmartLAM
Plus, and TrueView are trademarks, and in some jurisdictions may be registered trademarks, of
Madge Networks or its affiliated companies. LANStack is a trademark, and in some jurisdictions may
be a registered trademark, of LANNET Ltd. or its affiliated companies. Other trademarks appearing
in this document are the property of their respective owners.
Copyright © 1998 Madge Networks Limited. All Rights Reserved.
Release date: April 1998
No part of this publication may be reproduced, stored or transmitted in any form, without express
written approval from Madge Networks Limited.

60 Legal information and acknowledgments

100-099-05 61
Index
Index
A
alert messages 25
auto-ranging 7
B
backup path 31–33
backup path status 24
beaconing 24
boot EPROM 17
C
cables
fiber-optic 11
serial port cables 36
STP trunk cable 11
trunk cables 6
cabling distances 11–12
Control Unit status 23
D
date and time 25
downloading new microcode 27–29
E
environment 5
F
faulty nodes 11
fiber-optic trunk cables 6, 11
front panel 7
I
IBM CAU connection 9
IBM LAM cables 9
input voltage 7
installation 5
connecting fiber-optic trunk cables 6
connecting trunk cables 6
faulty nodes 11
planning considerations 11
inter-CAU distance 12
IP address 22
IPX number 22
L
LAN Network Manager 13
10009905.bk : 10009905.IX Page 61 Tuesday, March 24, 1998 3:05 PM

LCD messages
Alert status 49
Backup path status 48
Ring status 47
self test 44
LCD panel
alert messages 25
backup path status 24
beaconing 24
date and time 25
downloading microcode status 28
IP address 22
IPX number 22
primary-out address 22
progress messages 16–19
ring number 22
ring status 24
status information 21–26
subnet address 22
version numbers 24
LED status information 26
M
management program 3
MAU 10
faulty nodes 10, 11
microcode 19
downloading 27–29
N
node counts 12
P
pin connections 37
planning considerations 11
primary path 31–33
primary-out address 22
R
rear panel 8
registered managers 13
RI and RO configuration 26
ring number 22
ring status 24
Ringhubs 12
Ring-In and Ring-Out ports 6
ring-speed 7
S
self-test program 16–19
automatic run 16–18
failure 18
manual run 19
passing 18
serial connector 35

100-099-05 63
Index
serial port 35–37
signal path 31–33
SmartCAU Plus 1, 9
SmartLAM STP/UTP 1, 9
specifications 39
start-up processes 15–19
status information 21–26
STP trunk cable 11
subnet address 22
T
technical specifications 39
technical support
about 53
TrueView CAU Manager 3
trunk cables 6
V
version numbers
hardware 24
microcode 24
voltage selection switch 7
W
wrap states 31–33

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