88
Installing the Avaya™ S8700 Media Server with Avaya™ MCC1 or SCC1 Media Gateway
May 2003
Turn Circuit Breakers Off
The main circuit breaker on a DC power cabinet is located on the front of the power distribution
unit. The circuit breakers on the rear of the power distribution unit control the individual
carriers. See ‘‘Power Distribution Unit (J58890CH)’’ on page 88
for the location of the carrier
breakers.
1 Set the main circuit breaker to OFF.
2 Set the carrier circuit breakers to OFF.
Power Distribution Unit (J58890CH)
Connect DC Power to the Media Gateways
1 Be sure the main circuit breaker is OFF.
2 Measure and cut 2 pieces of 1 AWG (#70) (44 mm
2
) wire long enough to reach from the
DC power cabinet to the first media gateway.
Figure notes
1 Connect small battery holdover cable
(or temperature sensor cable from
large battery cabinet) to J20
2 Carrier Circuit Breakers
3 Ground Terminal Block
4 Connect -48 VDC Return—1 AWG
(50 mm
2
) red cable here.
5 Connect -48 VDC—1 AWG (50 mm
2
)
black cable
6 1 AWG (50 mm
2
) 50 ft (15.2 m)
cable to large battery cabinet. For
cables greater than 50 ft (15.2 m),
contact your Avaya representative.
7 Ground Terminal Block
8 To AC load center or approved
single-point ground block
External Alarms
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