Connecting The Power Supply - 3Com V7122 Installation Manual

Pinout of RJ-45 Connectors
Figure 8
RJ-45 LAN Connector and Pinout
1 2 3 4 5 6 7 8
For redundant operation it is recommended to connect each of the Ethernet
connectors to a different switch.

Connecting the Power Supply

Connect the V7122 gateway to the power supply using one of the following methods:
Connecting the AC Power Supply
To connect power when using a single AC power cable:
Attach one end of the supplied 100/240 VAC power cable to the rear AC socket and
connect the other end to the correct earthed AC power supply.
WARNING:
Units providing power sockets with three pins must be connected by service
personnel to a socket-outlet with a protective earthing connection.
To connect power when using a dual AC power cable:
Before connecting the dual AC power cable, see the note below.
1
Attach one end of the supplied 100/240 VAC power cables to the rear AC sockets and
2
connect the other end to a separate earthed mains circuits (for power source
redundancy).
V7122 Digital Gateway Installation Guide
1 = Tx+ 4, 5, 7, 8
2 = Tx- not connected
3 = Rx+
6 = Rx-
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