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DEFINITY Enterprise Communications Server Release 7
Maintenance for R7r
555-230-126
Issue 4
June 1999
Maintenance Object Repair Procedures
9-371CARR-POW (Carrier Power Supply)
9
AC-Powered Cabinets
AC Power Distribution Unit and Battery Charger
(J58890CE-2)
Figure 9-17 shows an AC Power Distribution Unit (List 9 or List 10). This unit sits
at the bottom of some Multi-Carrier Cabinets.
Carrier Port Power Supplies
Multi-Carrier 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.