Cisco Cisco Prisma II EDR Receiver 安装指南
General Troubleshooting Information
103
General Troubleshooting Information
This troubleshooting information describes the most common alarms and gives
typical symptoms, causes, and items to check before contacting Customer Service.
typical symptoms, causes, and items to check before contacting Customer Service.
Equipment Needed
You may need the following equipment to troubleshoot these modules.
Digital voltmeter
Fiber connector cleaning materials
Additional Assistance
If you need additional assistance, telephone one of our Technical Service Centers or
your local sales subsidiary. The chapter Customer Information (on page 107)
contains a list of telephone numbers.
your local sales subsidiary. The chapter Customer Information (on page 107)
contains a list of telephone numbers.
Troubleshooting
Refer to Troubleshooting Alarm Conditions (on page 104) to identify and correct
faults.
faults.
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 and skilled personnel.
this product. There are no user-serviceable parts inside. Refer servicing to
qualified and skilled personnel.