Avaya G650 Installing page 65

Figure 19: Typical media gateway grounding wiring diagram
Figure notes
1 Media Gateway
2 Media Gateway Frame Ground
Terminal Block
3 6 AWG (#40) (16 mm
Gateway GROUND Wire
4 Single-Point Ground Block
Connecting remote power off cable, if required
Part 1, on page 66 shows the location of the Remote Power Off (RPO) cable. The opposite end of the
cable connects to the Emergency Power Off (EPO) switch located for the equipment room.
Even though the equipment room EPO switch disconnects main AC power to the equipment room, it
cannot disconnect the battery power from the J58890CH. An auxiliary set of contacts inside the EPO are
used for this function.
To connect the remote power off cable:
1
Plug the RPO cable into the connector shown in
— Part 2,
2
Route the opposite end of the wires to the EPO switch. The opposite end of the RPO cable
connects to the internal relay.
Installing the Avaya G650 Media Gateway
June 2004
1
2
2
) Media
on page 67.
NOTE:
The EPO switch and the auxiliary contacts (inside the EPO switch assembly) are
customer-provided.
5
6
4
3
widfspg2 KLC 091603
5 6 AWG (#40) (16 4 mm
Approved Ground
6 AC Load Center Single-Point Ground
7 Approved Ground
8 Over 50 ft. (15.2 m)
Figure 20, Remote power off cable connections —
Figure 21, Remote power off cable connections
7
8
2
) Ground Wire to
65