General Troubleshooting Information - Cisco Prisma II Installation And Operation Manual

Forward and reverse headend driver amplifiers
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General Troubleshooting Information

Introduction
This troubleshooting information describes the most common alarms and gives
typical symptoms, causes, and items to check before consulting Cisco.
Equipment Needed
You may need the following equipment to troubleshoot this module.
• Digital voltmeter
• Spectrum analyzer
Additional Assistance
If you need additional assistance contact Cisco Services.
Troubleshooting
WARNING:
Avoid electric shock and damage to this product! Do not open the enclosure of
this product. There are no user-serviceable parts inside. Refer servicing to
qualified service personnel.
Refer to the following section, Troubleshooting Alarm Conditions, to identify and
correct transmitter faults.
78-4006323-01 Rev C
Maintenance and Troubleshooting
5-3

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