MERLIN LEGEND Communications System Release 6.1
Maintenance and Troubleshooting
555-661-140
Issue 1
August 1998
Page 1-20
Preparation for Hardware Maintenance
Disconnecting AC Power
To disconnect the AC power, see Figure 1–6 and follow the steps below.
!Disconnect the AC power to each auxiliary power unit by
unplugging the power cord from the wall outlet.
!Disconnect the AC power to each carrier by unplugging the power
cord from the wall outlet.
Figure 1-6. Disconnecting AC Power
AC
Outlet
-48 VDC
Auxiliary
Power
Input
AC
Input
Auxiliary
Power
Unit
AUX
POWER
AC
INPUT
-48 VDC
Power Cord
Control Unit
AC Power Cord
Ground
Wire
Ferrite
Cores
UX Power Unit
C Power Cord
Processor