User`s manual

5.3. Connecting 2N
®
GSM ISDN GATEWAY Lite
The 502081, 502083, 502085 models contain the following interfaces:
1 connector for a GSM module antenna
1 RJ45 TE/NT connector to connect NT1/TE1
1 RS232 serial interface connector to communicate with a PC.
The 502082, 502084, 502086, 502088 models contain the following interfaces:
2 connectors for GSM module antennas
1 RJ45 TE connector to connect NT1
1 RJ45 NT connector to connect TE1
1 RS232 serial interface connector to communicate with a PC.
As you can see in fig. 16 and 17, you can connect the gateway to your PBX by using TE or NT.
In this case is necessary to set-up your PBX to route GSM calls to the specific port. In
connection with this the probability that fees for telephone connections between the public and
GSM networks are saved will be higher as well
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fig. 16: Connection of gate in NT mode fig.17: Connection of gate in TE mode
ISDN
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ISDN terminals
ISDN terminals