User's Manual

Power Removal

68P09255A69-3

Aug 2002

1X SC4812ET Lite BTS Optimization/ATP Software Release 2.16.1.x

PRELIMINARY

2-20

AC Power Removal

If it is necessary to remove all power from a frame, refer to Figure 2-4 or

Figure 2-5, and follow the procedure in Table 2-10.

Table 2-10: AC Power Removal

Step Action

1 Remove DC power from the frame by following the procedure in Table 2-9.

2 Set all ACLC circuit breakers to OFF (down) in the following sequence:

1. GFI

2. HEATER

3. RECT. 2/4

4. RECT. 1/3

5. MAIN

3 Set the facility circuit breaker controlling external power to the frame to OFF.