DEFINITY Made Easy Tools
Issue 3, December 2001

Install and Connect Multi-Carrier Cabinets   

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Turn Circuit Breakers Off

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The main circuit breaker on a DC-powered PPN/EPN 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) 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)

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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Copyright� 2001 Avaya Inc.

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