Avaya S8500 Manual page 136

Figure 34, External alarm cable connection,
contacts inside the EPO switch assembly and how they connect to the internal relay.
3
Connect the RPO wires to the auxiliary contacts on the EPO switch. See
alarm cable connection,
Figure 32: Remote power off cable connections — Part 1
Figure notes
1 External Alarm Cable Connector
2 RPO Connector
3 Circuit Breakers
136
CAUTION:
The auxiliary contacts inside the EPO switch assembly must close when the switch is
pressed. This contact closure energizes the relay inside the power distribution unit,
causing the connection to the battery holdover assembly to open.
on page 138.
NOTE:
The EPO switch and the auxiliary contacts for the RPO connection are customer-supplied.
psdf001a LAO 091103
Installing the Avaya S8500 Media Server with an Avaya G650 Media Gateway
on page 138 shows the cabling from the auxiliary
2
1
6
4 Pin 6 (-RPO)
5 Pin 2 (+RPO)
6 External Alarm Cable
Figure 34, External
3
4
5
December 2003