V7122 Gateway User Guide
47
2
Connect the E1/T1 trunk interfaces (see
Connecting the E1/T1 Trunk Interfaces
).
3
Install the Ethernet connection (see
Installing the Ethernet Connection
).
4
Optionally, connect the V7122 RS-232 port to your PC (see
Connecting the RS-232 Port
to Your PC
).
5
Connect the power supply (see
Connecting the Power Supply
).
Connecting the E1/T1 Trunk Interfaces
Connect the E1/T1 Trunk Interfaces using
either
Telco or RJ-48 connectors:
With 50-pin Telco connectors (16-trunk device):
1
Attach the Trunk cable (of at least 26 AWG UTP) with a 50-pin male Telco connector to
the 50-pin female Telco connector labeled ‘Trunks 1
Æ
8’ on the Rear Transition Module.
2
Connect the other end of the Trunk cable to the PBX/PSTN switch.
3
Repeat Steps 1 and 2 for the other Trunk cable but this time connect it to the connector
labeled ‘Trunks 9
Æ
16’.
The 50-pin male Telco cable connector must be wired according to the pinout in
Table 17,
and to mate with the female connector illustrated in
Figure 13
.
Figure 13
50-pin Female Telco Board-Mounted Connector
1
25
26
50
Pin Numbers
Table 17
E1/T1 Connections on each 50-pin Telco Connector
E1/T1 Number
1 to 8
9 to 16
Tx Pins (Tip/Ring)
Rx Pins (Tip/Ring)
1 9 27/2
26/1
2 10 29/4
28/3
3 11 31/6
30/5
4 12 33/8
32/7
5 13 35/10
34/9
6 14 37/12
36/11
7 15 39/14
38/13
8 16 41/16
40/15
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