Lucent Technologies CPS4000 - Page 124

Lucent Technologies -48V CPS4000/CPS4000 PLUS Cabinet Power System
5 - 32 Installation and Testing Issue 13 December 2000
Initial Start-up and Test, continued
AC Fail (1)
AC Fail (2)
AC Fail (1)
Step Action
1
For systems with one ac feed per rectifier, turn one input
circuit breaker Off.
2
Verify:
• PMN and AC Fail LEDs light on the [ES646, ES646B,
or ES648] control unit
• PMN LED lights on the ES647 control unit
AC Fail (2)
Step Action
1
For systems with more than two rectifiers installed, turn a
second circuit breaker Off.
2
Verify:
• PMJ, PMN, and AC Fail LEDs light on the [ES646 or
ES648A/C] control unit
• PMN and AC Fail LEDs light on the [ES646B or
ES648B/BZ] control unit
• PMJ and PMN LEDs light on the ES647 control unit
3
Clear the alarms by turning the circuit breakers On.