Lucent Technologies Galaxy Power System 4848/100
Issue 5  June 2000  Troubleshooting Preparations  12 - 1
12 Troubleshooting Preparations
Preliminary
Introduction This section provides information needed in preparation for locating and 
interpreting visual indicators to help identify problems. 
When replacing a part does not correct the problem or visual indicators 
do not identify a defective part, notify the local Regional Technical 
Assistance Center (RTAC) at 1-800-CAL-RTAC (1-800-225-7822).
Safety Review all safety instructions and warnings in Section 10 before 
troubleshooting the GPS 4848/100.
Tools The following tools are necessary in order to troubleshoot the GPS 
4848/100:
• 3/16-inch (5 mm) Allen-head wrench
• Insulated hand tools
• Calibrated digital voltmeter (DVM) 
(0.05% accuracy on dc scale)
• ESD wrist strap
Warning
Hazardous ac and dc voltages and/or energy are present. Caution 
should be exercised. Tools must be insulated to help prevent 
accidental contact with live surfaces.
Coordinate all troubleshooting activities with other personnel that 
may be working on the system.