Avaya MCC1, Установка и обновления

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Install and Connect MCC1 (Multicarrier) Cabinet
Task List: Connect DC Power and Ground
350 SI Installation and Upgrades
June 2004
2
Set the carrier circuit breakers to OFF.
Figure 99: Power Distribution Unit (J58890CH)
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Connect DC Power to PPN and EPN Cabinets
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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 PPN cabinet.
3
At the DC Power Cabinet, connect the -48 volt DC wire to the DC OUTPUT circuit breaker. See
Figure 95, Typical Power and Ground for a DC-Powered Cabinet, on page 344. Connect the -48
volt RTN (return) wire to the ground discharge bar.
4
Route the wires out of the cabinet, through the hole in the lower rear cover, and to the PPN
cabinet.
5
Connect the -48 volt DC wire to the -48VDC terminal on the J58890CF Power Distribution Unit.
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
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