Lucent Technologies R5SI 用户手册
DEFINITY Enterprise Communications Server Release 5
Maintenance and Test for R5vs/si
Maintenance and Test for R5vs/si
555-230-123
Issue 1
April 1997
Maintenance Object Repair Procedures
Page 10-270
CARR-POW (Carrier Port Power Unit) for AC-Powered Systems
10
Figure 10-17.
631DA or 631DB AC Power Unit
Power Unit Replacement Procedures
The procedures for replacing the various power units are given below:
Replacing a 631AR or 631BR AC Power Unit
If the power unit to be replaced is in a control carrier of a PPN system, refer to
"Removing Power" and "Restoring Power" in Chapter 5, "Routine Maintenance
Procedures", before replacing the power unit. To replace the power unit,
implement the following steps:
"Removing Power" and "Restoring Power" in Chapter 5, "Routine Maintenance
Procedures", before replacing the power unit. To replace the power unit,
implement the following steps:
1. Set the power switch to OFF, and unplug the power cord.
2. Move the locking slide on the power unit to its leftmost position and
unlatch the locking lever.
3. Remove the power unit from the carrier.
STATUS
LOCKING
LEVER
LOCKING
SLIDE
POWER
CORD
OUTLET
LEDS
RED
AMBER