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CARR-POW (Carrier Power Supply)
Issue 1 May 2002
8-397
555-233-143
shows AC power distribution in some multicarrier cabinets. The DC
power-distribution cables are on both sides of the cabinet. These cables supply
power to each of the carriers. The optional battery charger is at the right side of
the power-distribution unit.
Figure 8-17.
AC Power Distribution in Multicarrier Cabinets
Power Backup
If AC power fails, three 48-V DC batteries power the system for:
■
15 seconds in an EPN cabinet
■
10 minutes in the expansion control carrier in the “A” position of an EPN
cabinet
3
2
"C" Position
Carrier
"B" Position
Carrier
"A" Position
Carrier
"D" Position
Carrier
Battery
Charger
(Optional)
"E" Position
Carrier
"F" Position
Fan Unit
Power
Distribution
Unit
mcc4_g3 RBP 041696
Summary of Contents for S8700 Series
Page 50: ...Maintenance Architecture 555 233 143 1 26 Issue 1 May 2002 ...
Page 74: ...Initialization and Recovery 555 233 143 3 12 Issue 1 May 2002 ...
Page 186: ...Alarms Errors and Troubleshooting 555 233 143 4 112 Issue 1 May 2002 ...
Page 232: ...Additional Maintenance Procedures 555 233 143 5 46 Issue 1 May 2002 ...
Page 635: ...status psa Issue 1 May 2002 7 379 555 233 143 status psa See status tti on page 7 406 ...
Page 722: ...Maintenance Commands 555 233 143 7 466 Issue 1 May 2002 ...