Service Manual
GSM-204-323
Circuit breaker module (CBM)
31st Oct 01
Technical Description: Horizon
macro
outdoor
68P02902W02-A
CONTROLLED INTRODUCTION
Tech. 4–35
Operation of the
CBM
Power for each module is supplied via the appropriate circuit breaker switch.
Overload of any circuit results in appropriate front panel circuit breaker button
tripping to the off (out) position. The button can be pressed to the on (in)
position when the overload problem has been corrected.
CTUs, BPSMs, and the SURF can be isolated by pressing and releasing the
appropriate button to the off (out) position. Power is restored by pushing the
appropriate button to the on (in) position.