Carr-Pow (Carrier Power Supply) - Avaya S8700 Maintenance Manual

CARR-POW (Carrier Power Supply)

CARR-POW (Carrier Power Supply)
MO's Name (in
Alarm Log)
CARR-POW
1. UU is the universal cabinet number (1–64 for ATM PNC, 1–44 for CSS PNC), C is the carrier
designation (A, B, C, D, or E). Cycle the carrier indicated by the PORT field in the alarm log.
S8700 Multi-Connect systems support two different cabinet types for EPNs. Both
cabinet types may be powered by either AC or DC external power source.
Environmental maintenance differs according to cabinet type and external power
supply.
!
CAUTION:
Before powering down a cabinet or carrier that contains EMBEDDED AUDIX
circuit packs (TN566), first power down the AUDIX unit to avoid damaging
the AUDIX software. Instructions for powering down this unit are in the
''EMBEDDED AUDIX System's Power Procedures''
Errors, and
AUDIX documentation.
The CARR-POW MO represents the pair of power supplies that supply +5V, -48V
and -5 VDC power to each carrier in a multicarrier cabinet. In AC-powered
cabinets, these are called Off Line Switches (OLS); in DC-powered cabinets, they
are DC/DC converters.
Cycling Power Supplies
When a port carrier power supply problem is reported by hardware, the system
can cycle the power supplies in that carrier. When a carrier is cycled, the power
supplies are turned off for 2 seconds and then turned back on. The system
cannot cycle the power supplies on any of the following types carriers even if they
are duplicated:
— Expansion control carrier
— Switch node carrier
— Single-carrier cabinet
!
WARNING:
When port carrier power is cycled, all service dependent upon circuit packs
in that carrier is disrupted.
555-233-143
Initial Command to
1
Alarm Level Run
MAJOR recycle carrier UUC
Troubleshooting'', on the circuit pack, and in EMBEDDED
Full Name of MO
Carrier Port Power Supply
in Chapter 4, ''Alarms,
Issue 1 May 2002 8-393