Instruction manual

MERLIN LEGEND Communications System Release 5.0
Maintenance and Troubleshooting
555-650-140
Issue 1
June 1997
Introduction
Page 1-20
Maintenance Strategy
Figure 1-6. Disconnecting AC Power
Maintenance Strategy
The maintenance strategy presented in this section is only a guideline, not a
fixed procedure. Refer to Figure 1-7
whenever you are uncertain about how to
proceed. As you become more experienced with maintaining and
troubleshooting the system, you will most likely develop your own strategy.
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
AUX Power Unit
AC Power Cord
Processor