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CARR-POW (Carrier Power Supply)
Issue 1 June 2005 771
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:
WARNING: When port carrier power is cycled, all service dependent upon circuit packs in
that carrier is disrupted.
Table 265: Carrier Port Power Supplies for
Multicarrier Cabinets
Code System
Power
Output (VDC) Location
631DA AC +5 Left side
631DB AC -48/-5 Right side
644A DC +5 Left side
645B DC -48/-5 Right Side
TN755B 165 Slots 17 and 18
631WA/AR AC +5 Left side
631WB/BR AC -48 Right side
TN736 AC -5 Used with 631
TN752 AC 165/-5 WA/WB or AR/AB
649A AC -48 at 10 Amps
+5 VDC and -5 VDC at 6 Amps
Right side on control and port
carriers. Left and right side on
switch node carriers.