The Fixed Wireless Voice/Fax Terminal FCT-333FAX
applies to GSM digital mobile telecommunication networks,
serving as Fixed Wireless Terminal with functions of voice
access, G3 fax sending or receiving, caller ID display etc. No
wiring is required. It is featured by easy and quick installation,
plug-and-play within coverage of GSM digital mobile
The Fixed Wireless Voice/Fax Terminal applies to tourist
spots, islands, cars, trains and ships where wiring is of difficulty
or unavailability or to other places where public telephone
service is temporarily required such as playgrounds and large
exhibition. It also applies to small and middle-sized enterprises,
or personal regular telephone and fax users.
Please refer to the description in the Chapter 3 for the
detailed appliance solution.
1.2 Product Features
GSM voice access
GSM Fax function
Dynamic echo cancellations to ensure the perfect
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Easily programmed by telephone keyboard or
command line interface
Called id display function
Real time displaying of wireless network signal
1.3 Technical Specification
GSM 900/1800 MHz
EGSM 900 Class 4 (2 W Peak)
GSM 1800 Class 1 (1 W Peak)
EGSM 900 890–915 MHz 935 – 960
GSM 1800 1710 –1785 MHz 1805–
Average power consumption < 5 W
Ambient temperature:0 ℃–45 ℃
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DC: 12 V, 800 mA
Impedance: 600 ohm (default)
Open circuit voltage (OCV): 63 V (on-hook)
Ringing Load: Support up to 3 extension
phones (3 REN)
Provide the control signal of polarity reversal
RJ-45 to COM serial interface
SIM Card: 3 V SIM card
Dimension (L x W x H) and weight:
Length× Width× Highness: 20.5 cm× 15 cm× 4
1. Please avoid using this product in areas where wireless
transmission equipment is restricted (such as hospital,
health care facility and aircraft).
2. Please avoid using this product in gas stations, bunkers
and places of chemical storage.
3. Please avoid using this product in chemical plants or
any other places with hazard of explosion (such as gas
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4. Please avoid using this product on any metal surface
that might weaken power of received signal.
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Chapter 2 Installation Guide
2.1 Interface Description
FCT-333FAX Rear Panel
FCT-333FAX back panel interface descriptions:
12VDC Power supply
IOIO Interface of serial port console
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PHONE Phone port, connect to the regular phone
FAX……………FAX port, connect to the G3 fax machine
Caution: Do NOT plug external line into phone
port; otherwise, it may cause device damage.
2.2 Indicator Description
There are 8 indicators on the front panel
FCT-333FAX, functioning as follows:
1． GSM Signal Status Indicator (upper four)
GSM has four indicators “ “; they are numbered 1,
2, 3, and 4 from left to right in sequence.
Indicators have 3 kinds of status:
Continuous light: Indicating the signal strength.
Slow flash: Flash one time per second to indicate GSM
Quick flash: Flash 10 times per second to indicate GSM
Slow flash flashes one time per second; quick flash
flashes 10 times per second.
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General error code (the code of slow flash defined as “1”, the
code of Flash off defined as “0”).
110: No SIM card.
010: Network registry failure.
111: GSM is under Modem mode.
011: Require inputting PIN code.
GSM Serious error code (the indicator of Quick flash
defined as “1”, the indicator of Flash off defined as “0”).
001: Lock base station.
010: Lock the service provider.
011: PIN code error.
100: IMSI error.
101: Require PUK.
110: GSM baud rate error.
111: Other errors.
2． POWER: Power supply indicator
Light: Indicating device power on.
Dark: Indicating device power off.
3． PHONE: Phone port status indicator
Light: Indicating the status of talking or hanging up.
Flash: Indicating an incoming call and ringing.
Dark: No call or hang up through the port.
4． FAX indicator
Not in use.
5． STATUS: Device start up status indicator
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Light: Indicating device is started up successfully.
Slow flash: Indicating device is starting up.
Quick flash: Indicating device start up fails.
Dark: Indicating device is not powered on or
starting up. The STATUS indicator is still
OFF within 15 seconds when turn on the
device, and then the indicator slowly flashes.
2.3 LCD Display
1 ． LCD displays”8100” when user turns on the power, then
the LCD displays 8888… (Totally 14 digits). Another 7
seconds later, appear 16 ‘8’s. Upon successfully start up,
LCD shows ‘8100’. Start up takes about 30 seconds.
2 ． When user picks up handset and calls up, LCD back light
is ON, screen clears up, showing user’s key in characters.
When there is an incoming call, LCD displays incoming
phone number. (SIM card should support caller id
3 ． When there is a call in or out, LCD shows the call status.
G indicates GSM voice call, F indicates GSM fax. When
letter shown before the phone number, incoming call is
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indicated; when letter is shown after the phone number,
outgoing call is indicated. When a user holds the call
conference, LCD scroll displays conference attending
numbers ， shown as below: Ln number (i.e. L2
13712345678, “n” in “Ln” refers to 1, 2, 3…, which
represents individual numbers in call conference.)
4 ． When user hangs up, LCD displays ‘8100’ and the
backlight goes off in 3 seconds.
5 ． When the call is holding, LCD shows the new incoming
call. When user switches the two calls, the display shows
the phone number that is calling. LCD displays all the
attendees’ number with scrolling when the call conference
2.4 Work Mode
FCT-333FAX has two work modes ： Common Mode and
Modem Mode These two modes cannot exist simultaneity.
Common Mode ： Under the normal mode, user can
access the wireless terminal by connecting with phone/ fax
via PHONE port.
Modem Mode ： Under the Modem mode, user can
obtain the direct control of GSM module by using PC via
the serial port of the wireless terminal to realize the PC fax
Establishing the Modem Mode ：
1. When the auto-switch mode configured by the user (refer
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to the below the keyboard setup command), the PC serial
port needs to be connected to the IOIO port in the wireless
access terminal. Open the serial port in PC, and then the
device will be auto-switched to the Modem mode.
2. Under the Modem Mode, the user can control the GSM
module through the serial port directly. And user can apply
the software in PC to realize the FAX function on the
3. Using the device under the Modem Mode
Under the auto-switch mode （ Set #*83*0# ）， when
there is the incoming call on the GSM,. The wireless
terminal would switch to the normal mode automatically, in
this case, if user accesses PC FAX function, it is highly
recommended that user adopts (Set #*83*2#) to enter the
compulsive Modem mode to avoid the failure to receive
Note ： Above keyboard configuration commands
are setup with the common phone. Please
refer to “4.4 keyboard configuration
command” for the detailed configuration.
2.5 Hardware Installation Steps
This section introduces FCT-333FAX hardware installation
1. Plug one end regular telephone cord into a telephone (or
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the line port of fax or modem), and plug the other end into
the socket marked ‘Phone’ indicated on FCT-333FAX rear
Caution: Do NOT plug external line into phone port;
otherwise, it may cause device damage.
2. Connect and screw up firmly the companied antenna onto
TNC terminator marked “ ” indicated on FCT-333FAX
3. Make sure the power switch on the rear panel is in OFF
position. Afterwards, plug one end of companied power
adapter into AC 220 V power socket, and plug the other
end into “12 VDC” power interface indicated on the rear
Switch on power. The device enters start up status. When
STATUS indicator is on continuously, device start up is
successful and ready to use.
2.6 How to use the optional backup battery
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1 ． Should avoid the short circuit happened on the each plug
2 ． Backup battery should use the storage battery with 12
3 ．Note that the anode and the cathode of the connecting line
of the battery. Red line is anode, connects to the anode of
the storage battery, the black is cathode, connects to the
cathode of the storage battery.
4 ． Do NOT make the storage battery supply the power to the
device with direct connection. Should avoid excess
discharge as using it for long time that will damage the
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5 ． Should pull out the adapter from the storage battery when
there is no urban power more than 24 hours.
6 ． Should recharge the battery and keep it in float-charge
7 ． Risk of electric shock, dry location use only
8 ． When charge the battery the first time, please be sure the
charging time is no less than 15 Hrs.
9 ． The indicator light of the power adapter shows:
red ： Electric supply is off, the battery supplies
green ： Electric supply is on, the battery is in
Indicator is off ： Electric supply is off, while the battery is
Caution: In order to avoid radio interference on voice
communication, make sure antenna and telephone line not
intertwisted. Make sure telephone set is not place too
close to FCT-333FAX antenna, over 1 meter distance is
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Chapter 3 Application
FCT-333FAX connects regular telephone, FAX, Modem
through phone socket. In normal situation, user can call in and
call out while telephone routes GSM network. Application
solution is recommended as follows:
FCT-333FAX Application Solution
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Chapter 4 Operation Guide
4.1 Telephone Function
4.1.1 Making a Phone Call
1 ） Off-hook: Pick up the handset; you can hear a dialing
2 ） Dial: Dial the phone number, the system sends out
your dialed number automatically.
3 ） Conversation: When recipient picks up handset at the
other end, voice communication is established.
4 ） Clear: Clear after hanging up.
4.1.2 Receiving a Phone Call
When phone rings, PHONE indicator is blinking, the user
picks up handset and starts talking.
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4.2 Fax Function
4.2.1 Regular Fax Functions
184.108.40.206 Sending a Fax
Users can send a fax by a fax machine which connects
with the wireless access terminal that is the same as the
common fax machine.
Caution: Some outdated FAX cannot send the
identification tone, the user must add the “*01*” before the
number to prompt the system this call is a FAX call (Such
220.127.116.11 Receiving a Fax
Users can receive a fax by a fax machine which connects
with the wireless access terminal that is as the same as the
common fax machine.
Caution: FCT-333FAX does NOT support switch among
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GSM voice/fax. This function requires GSM/GPRS network
supporting TS61 (allowing user to use voice and fax
functions in one call). Therefore, when sending a fax,
please press START key immediately after you complete
dialing numbers; when receiving a fax, please set fax
machine to auto-receiving fax mode.
4.3 Call Waiting and Three-party
This device supports GSM Call Waiting and three-party
conference function (Note: Require starting this service on SIM
card). The usage guide is as follows:
In the process of conversation, if there is a third party calls
in, the speaker hears the prompt tone in the wireless access
terminal and LCD displays the incoming call number.
If the speaker wants to ignore this incoming call, does
not do any operation.
If the speaker wants to reject this incoming call, presses
R and then presses 0.
If the speaker wants to terminate the current
conversation and starts a new conversation, presses R
and then presses 1, or hangs up the phone to terminate
the current conversation, the phone will ring and the
speaker picks up the phone for the new incoming call.
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If the speaker wants to hold the current conversation and
accept a new incoming call, presses R and then presses
2. The speaker can also switch the talk objects by
pressing 2. The LCD displays number of the current talk
In the process of conference, a user can press R and
then press # to hold the current call. Dial a new number
after hearing dial tone.
When the speaker talks on a new call, the former
conversation is still hold; if the speaker wants to hold a
three-party conference, presses R and then presses 3 to
add the current conversation into the holding
conversation. This realizes the teleconference. LCD
displays in scroll the participators’ number.
During the teleconference, the speaker can press R and
then press # to hold the current call. And dial a new
number after hearing dial tone.
Hang up the wireless access terminal to terminate the
Press R and then press 1x to terminate the conversation
with one party. (X means the sequence number of the
call displayed on the LCD).
If the speaker wants to have a private conversation
with one party, press R and then press 2x (x means
the sequence number of the call displayed on the LCD).
Caution: Pressing the hook has the simulative effect in
case some telephones do not have button R.
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4.4 Keyboard Configuration Command
User may set command by using keyboard of telephone
connected to phone socket.
4.4.1 System Configuration
1 ． Set system date
Command ： #*20*y*m*d#
Description ： Set the system date, y means （ 00
～ 99 ）； m means month （ 0 ～ 12 ）； d means
day （ 0 ～ 31 ）
2 ． Set system time
Command ： #*21*h*m*s#
Description ： Set the system time of the device, h
means hour （ 0 ～ 24 ）； m means minute （ 0 ～
59 ）； s means second （ 0 ～ 59 ） .
3 ． Set auto-dialing delay
Command ： #*3*seconds#
Description ： Set up dialing overtime and auto
sending-out time upon completely entry of numbers,
default setting 3 seconds.
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<seconds> Set point range 1-20 秒
4 ． GSM signal quality display
Command ： #*50#
Description ： Display GSM/GPRS signal quality
5 ． GSM IMEI Display
Command ： #*51#
Description ： Display GSM IMEI
6 ． SIM IMSI Display
Command ： #*52#
Description ： Display SIM card IMSI
7 ． Set GSM output voice volume
Command ： #*53*volume#
Description ： Set GSM output voice
volume ， volume （ 0 ～ 4 ） .
8 ． Software version display
Command ： #*60#
Description ： Display software version
9 ． Minute Prompt
Command ： #*110*n#
Description ： n=1 ， the device will send a prompt
tone per one minute during user’s conversation.
n=0 ， Off this function.
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4.4.2 Caller ID Identification Function
1. Detect the standard of supporting caller ID
Description: Detect the standard of supporting caller
ID identification. After completing this command, the
user should hang up the phone immediately. If the
standard of displaying caller ID identification is
complied with local standard, CLI display of the user
displays “0123456789”. If the device can not display
this character string, the user needs to change the
current standard of caller ID identification by
2. Set the device to support the three different standards
of caller ID identification
Description: Set the device to support the three
different standards of caller ID identification.
(0=Off; 1= ETSI DTMF; 2= ETSI V.23; 3= Bellcore)
(Default value is 3)
4.4.3 Set series port switch
1 ． Set series port switch
Command ： #*83*n#
Description: Set series port switch (0=Auto mode ；
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Chapter 5 Frequently Asked
Q: How long does it take before I am able to make a phone
call or fax?
A: FCT-333FAX usually takes 30 seconds for start up. System
goes into normal operation after LCD and indicators displaying
Q: What happens if I make a wrong connection to a phone
socket with an external line?
A: No mistake is allowed for connections of phone socket
(connecting telephone). Wrong connection may cause system
failure or burn down hardware chips seriously.
Q: Why does the device always send the FAX as a voice
A: Some outdated FAX cannot send the identification tone, the
user must add the “*01*” before the number to prompt the
system this call is a FAX call (Such as *01*Number).
Q: Why does the device always make the voice outgoing call
when user makes the data call?
A: Some outdated Modem cannot send the CNG identification
tone, so the user should add the “*02*” before the number to
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prompt the system this call is a Data call (Such as
Q: Is it possible to transmit fax through GSM by any SIM card?
A: Before using GSM fax function, the user should make sure
(a) For sending faxes, ensure SIM card data transmission
service is available (GSM network support is required)
(b) For receiving, ensure SIM card fax receiving service
is available. (GSM network support is required;
usually this function needs dual number with one SIM
card – one voice number and one fax number. For fax
receiving, only fax number is used. Voice number is
not expected for fax receiving.).
Q: What type of fax machine do I need to use?
A: FCT-333FAX is in line with G3 fax criteria. Any compatible
G3 standard fax machine is OK.
Q: When I use GSM fax, is it possible to fax like desktop fax
machine, such as. Making a phone call before sending faxes?
A: Impossible. FCT-333FAX does not support GSM voice/ fax
switch over function. This function requires GSM network
supporting TS61 (allowing user to make phone call while
faxing). So, when sending faxes, please press down Start key
immediately after entering your number; when receiving faxes,
please set fax machine to auto receive mode.
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User is required to fill out the form carefully and keep it in
a safe place for future repair claim.
Dealer Purchase (Y) (M) (D)
(Seal of Distributor/Dealer)
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