Lucent Technologies MERLIN LEGEND Release 5.0 Maintenance And Troubleshooting Manual page 99

MERLIN LEGEND Communications System Release 5.0
Maintenance and Troubleshooting 555-650-140
Control Unit Problems
Power Supply Problems
Auxiliary
AC
INPUT
AUX Power Unit
AC Power Cord
Figure 4-3. Replacing an Auxiliary Power Supply
!
CAUTION:
Do not plug the power supply or the auxiliary power unit into the AC
outlet until you are ready to turn on the system, as described in
"Powering Up the System" in Chapter 2 of Installation .
Do not attach the power cord(s) to any building surfaces.
Power
Unit
AUX
POWER
-48 VDC
Power Cord
AC
Outlet
-48 VDC
Auxiliary
Power
Input
AC
Input
Ground
Wire
Control Unit
AC Power Cord
Issue 1
June 1997
Page 4-9
Ferrite
Cores