Install and Connect MCC1 (Multicarrier) Cabinet
Task List: Connect AC power and ground
SI Installation and Upgrades
341
June 2004
Connect Large Battery Holdover
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When using large battery holdover, 1 battery cabinet is required for every system cabinet requiring
holdover. The 24-cell battery cabinet must have a float voltage of 54.2 VDC.
1
Connect the -48 VDC cable to the large battery connector. See
Figure 93, Power Distribution Unit
(J58890CH),
on page 341.
2
Connect the -48 VDC RETURN cable to the ground terminal block.
3
Connect the temperature sensor cable, from the battery cabinet, to J20.
NOTE:
An adapter cable may be required when connecting the temperature sensor cable to the
J58890CH unit. See
Temperature Sensor Cable Adapter Cables
.
Figure 93: Power Distribution Unit (J58890CH)
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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