DIGM Technology GSM-680 User manual

GSM Fixed Wireless Terminal (Model: GSM-680)
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User Manual
1. Functions & Features
GSM fixed wireless terminal is an innovative wireless access terminal. It’s ideal to be used in offices
and home to reduce comparatively high phone charges. It also can be connected to charge counter
as wireless public phone. This device has the following functions：
1) Support GSM900/1800Mhz.
2) Provide the reverse polarity signal and can connect with the charge counter for charging
3) Can set up call-out/call-in restriction
4) Caller ID
5) Hands free, redial, sound volume adjustment while calling in/out.
6) Can connect with PBX
7) With back-up Li battery, support standby time over 48 hours.
2. Terminal Installation
2.1 SIM card installation:
Caution! Please fix the SIM card before connecting to the power supply!
1) Open the mainframe so you can see the SIM card pedestal at the bottom.
2) Push SIM card nog gently along with arrowhead to put it up.
3) Insert SIM card into the nog.
4) Press down the nog of SIM card and push it by the backward direction of arrowhead until the
SIM nog is fixed on the card pedestal.
5) Use the SIM cardboard to cover pedestal and screw it down.

GSM Fixed Wireless Terminal (Model: GSM-680)
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2.2 Assembly of the Terminal:
External ports
1) Make sure the SIM card installed correctly.
2) Screw down the connector of the antenna to the bolt stick on the panel marked with “Antenna”
on the back of the device.
3) Plug one connector of standard phone cable to the phone, and plug the other end to the port
on the panel marked with “Phone” on the back of the device.
4) Plug one connector of standard phone cable to the phone, and plug the other end to the port
on the panel marked with “Phone” on the back of the device.
The model support connect with 2pcs normal telephone as extension at same time
5) Make sure the switch of device is off, then plug the input connector of the adaptor to the AC
power socket, and the output connector to the “Power” port on the back of the device.
3. Operation Instructions
Turn on the power switch at the back of the terminal after connecting the terminal correctly
3.1 Explanation of indicators’ state：
Indicators
1) The route indicator indicates which network is working - GSM or PSTN. (optional)
This light is on while the device is operated under GSM network, vice versa.
2) The network indicator indicates whether the device get connected with GSM network or not.
This light is on means the device gets connected with GSM network, vice versa
3) The signal intensity indicators display signal intensity.
When the signal is stronger, more indictor lights will be on, vice versa.
3.2 Dial the telephone:
When the network and signal intensity indicators are on, pick up the handset and dial after hearing
the dialing tone. .

GSM Fixed Wireless Terminal (Model: GSM-680)
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3.3 Answer a telephone call:
When the telephone rings on, answer the phone by picking up the handset.
3.4 Built-in Li-battery:
It will automatically charge the Li-battery when the device is connected with AC adaptor and turned
on.
4. Setting Functions
This terminal can set up and adjust the following functions：
1) Set up the local area code in advance. The user can dial the local telephone without dialing the
local area code.
2) Can adjust the multi-level sound volume.
3) Can set up the restriction of call-in/call-out.
4) Can set up lock SIM card.
Caution! The system setup must be operated by the professional person.
5. Technique Parameters
Items
Parameters
Working voltage
AC100~240V; DC5V
(Adaptor is enclosed according to local standard voltage. Before
use, please make sure the adaptor voltage matches with local
voltage.)
Environment
temperature
0~45℃
Humidity
40%~95%
Atmospheric pressure
85~110Kpa
Environment noise
<60dB
Eradiation power
2W
Sensitivity
-104dBm
Antenna gain
>5dB

GSM Fixed Wireless Terminal (Model: GSM-680)
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6. Troubleshooting
▲Notes
1. Working environment: Choose areas with good signal
2. Requirement for the power supply: The reliable and stable power supplies will guarantee the normal
working of GSM terminal.
3. Antenna: Keep the antenna far away from the telephone to reduce the communication disturbance.
No.
Problem
Possible Causes
Possible Remedy
1
Not connected to
GSM network.
1. SIM card not inserted
correctly.
2. SIM card is dirty.
3. Antenna is not well
connected.
1. Install the SIM card again.
2. Clean the SIM card with a dry
cloth.
3. Check the antenna connection.
4. Adjust the antenna position.
2
No dialing tone is
heard after off-hook.
1. The phone cable is not
correctly connected.
1. Check the cable connection.
3
No caller ID.
1. The service is not enabled.
2. The phone does not
support caller ID.
1. Check the service is enabled on
the GSM network.
2. Change for a phone supporting
caller ID.