User Manual

August 6, 2003 Part 004071A revision 00b 31
Chapter 2: Site Preparation
NPM Circuit Breaker Current Loads
Each NPM rack contains a power distribution panel (PDP). The PDP has up to
16 circuit breakers (CBs). Each breaker switch controls the power to a specific
NPM component. Individual NPM components can be powered off by setting
the appropriate breaker switch to the OFF (down) position.
Table 2.11 shows the maximum current loading of the circuit breakers in the
RFSS and radio rack PDPs.
Fuses
Each RFSS module contains one 2A, 250V, fast-blowing fuse (1.25 × 0.25 inch)
to protect the RF components from damage in the event of an electrical overload.
Circuit Breaker RFSS Rack PDP Radio Rack PDP
CB 01 10A 10A
CB 02 30A 30A
CB 03 30A 30A
CB 04 30A 30A
CB 05 30A 30A
CB 06 30A 30A
CB 07 30A 30A
CB 08 30A 30A
CB 09 30A 30A
CB 10 30A 30A
CB 11 30A 30A
CB 12 30A 30A
CB 13 30A 30A
CB 14 10A 10A
CB 15 — 2.5A
CB 16 — —
Table 2.11 Circuit Breaker Current Loads
installation.book Page 31 Wednesday, August 6, 2003 6:06 PM