Troubleshooting - Cisco GS7000 Installation And Operation Manual

6 Chapter 6

Troubleshooting

Introduction
This troubleshooting section lists common problems and their
solutions.
Replacing Modules
If a troubleshooting procedure directs you to replace a module of the
1.2 GHz GS7000 Node, see Removing and Replacing Modules (on page
127).
In This Chapter

No RF Output at Receiver RF Test Point: Optical Power LED
on Receiver Module is off .................................................................. 140

No RF Output: Fiber Optic Light Level is Good, Receiver
Optical Power LED is on .................................................................... 142

Poor C/N Performance ...................................................................... 144

Poor Distortion Performance ............................................................ 146

Poor Frequency Response .................................................................. 148

No RF Output from Reverse Receiver ............................................. 150
139