User's Manual Part 2

Maintenance 3EM21522AAAA
DTR-0200-SA-SIRIUS Issue 1, March 2008
6-40
STEP PROCEDURE CONT.
4 Switch OFF commercial power source breaker supplying power to
repeater.
5 Hang “DANGER – DO NOT TURN ON – PERSONNEL WORKING” sign at
commercial power source breaker.
6 From front of cabinet remove PDU securing screws.
7 Carefully pull the PDU away from the rack.
The PDU can only be pulled out approximately six inches.
8 Remove the PDU face plate screws.
9 For the circuit breaker in question note and label the breaker wiring.
10 Disconnect the wiring for the specific breaker.
11 Remove the breaker securing screws.
12 Remove the breaker.