Avaya MCC1 Installation And Upgrades page 341

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
(J58890CH),
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
Figure 93: Power Distribution Unit (J58890CH)
pcdf010 KLC 020599
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
SI Installation and Upgrades
June 2004
on page 341.
Temperature Sensor Cable Adapter
1
6
2
) red cable here.
Install and Connect MCC1 (Multicarrier) Cabinet
Task List: Connect AC power and ground
Figure 93, Power Distribution Unit
Cables.
3
5
5 Connect -48 VDC - 1 AWG (50 mm
cable
2
6 1 AWG (50 mm ) 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
2
7
4
8
2
) black
341