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

16 C 2: I
HAPTER NSTALLING THE
Connecting the E1/T1
Trunk Interfaces
V7122 M G
EDIA ATEWAYS
Figure 4 V7122 (16 Trunks, Dual AC Power H/W Configuration) Rear-Panel
Cabling
V7122 (16 Trunks, Dual AC Power) Rear-Panel Cabling
Table 3
Item Label
1 --
2 ETHERNET
3 TRUNKS
4
5 100-240~1.5A Dual AC power cables.
CAUTION: Electrical Earthing
The unit must be permanently connected to earth using the screw
provided on the rear panel. Use 14-16 AWG wire and a proper ring
terminal for the earthing.
To cable the V7122, perform these steps:
1 Permanently connect the device to a suitable earth with the protective
earthing screw on the rear panel, using 14-16 AWG wire.
2 Connect the E1/T1 trunk interfaces (see
Interfaces).
3 Install the Ethernet connection (see
4 Connect the power supply (see
Connect the V7122 E1/T1 Trunk interfaces using either Telco (V7122 with
16 spans) or RJ-48 (V7122 with 1, 2, 4, or 8 spans) connectors, as
described in the procedure below:
Component Description
RTM locking screws.
Two Category 5 network cables, connected to the two
Ethernet RJ-45 ports.
Two 50-pin Telco connector cables, each supporting eight
trunks.
Protective earthing screw.
Connecting the E1/T1 Trunk
Installing the Ethernet
Connecting the Power
Connection).
Supply).