Connect Remote Power Off Cable - Avaya S8700 Installing Manual

90
Installing an Avaya MCC1 Media Gateway
Typical Power and Ground for a Mixed AC/DC-Powered Media Gateway
Figure notes
1 DC power supply
Ground Discharge Bar
2
3 Approved Ground
4 1 AWG up to 50 feet (15.2m) or engineered for less than 0.5 volt drop per conductor
To Coupled Bonding Conductor terminal block at Main Distribution Frame
5
6 Coupled Bonding Conductor
7 Media Gateway ground block
AC power-distribution unit
8
9 AC power cord
AC power source
10

Connect Remote Power Off Cable

''Remote Power Off Cable Connections — Part 1'' on page 92
Remote Power Off (RPO) cable. The opposite end of the cable connects to the Emergency
Power Off (EPO) switch located outside of 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.
Plug the RPO cable into the connector shown in
1
— Part 1'' on page
4
3
1
75A
2
-48V
92.
October 2002
PN
-48V -48V RTN
5
6
''Remote Power Off Cable Connections
10
PN
9
8
7
shows the location of the