Connecting The E1/T1 Trunk Interfaces - 3Com V7122 Installation Manual

Connect the E1/T1 trunk interfaces (see
2
Install the Ethernet connection (see
3
Connect the power supply (see
4

Connecting the E1/T1 Trunk Interfaces

Connect the V7122 gateway E1/T1 Trunk interfaces using either Telco or RJ-48 connectors:
To connect E1/T1 trunk interface using 50-pin Telco connectors (16-trunk device), follow
these 3 steps:
Attach the Trunk cable with a 50-pin male Telco connector to the 50-pin female Telco
1
connector labeled Trunks 1 8 on the Rear Transition Module (RTM).
Connect the other end of the Trunk cable to the PBX/PSTN switch.
2
Repeat steps 1 and 2 for the other Trunk cable but this time connect it to the connector
3
labeled Trunks 9 16.
The 50-pin male Telco cable connector must be wired according to the pinouts described in
Table 5, and to mate with the female connector illustrated in
50-pin Female Telco Board-Mounted Connector
Figure 6
Pin Numbers
25
50
V7122 Digital Gateway Installation Guide
Connecting the E1/T1 Trunk
Installing the Ethernet
Connecting the Power
1
26
Interfaces).
Connection).
Supply).
Figure 6.
17