User's Manual Part 2

PAF-0813-E0-001 Field Replacement Procedures
044-05287 Rev A 4-9
Circuit Breaker Panel
To remove and replace the circuit breaker panel, shown in Figure 4-9, perform the steps in Table 4-11.
Figure 4-7 Breaker Panel Unit Removal and Replace
Table 4-10 Circuit Breaker Panel Removal and Replacement Procedure
Step Action
1. Turn off all +27 VDC BTS input power to PAF system
2. Label and disconnect all input and output DC power connections from top rear
of circuit breaker panel
3. Remove screws from circuit breaker panel
4. Remove circuit breaker panel from PAF frame
5. Install circuit breaker panel replacement in reverse order of removal
Power in from
base station
Power out to
subracks
Circuit breaker panel
input and output
DC wiring
Circuit
Four screws
panel
Breaker