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 SHO GS7000 Node, see Removing and Replacing Modules (on
page 73).
In This Chapter

No RF Output at Receiver RF Test Point: Optical Power LED
on Receiver Module is off .................................................................... 84

No RF Output: Fiber Optic Light Level is Good, Receiver
Optical Power LED is on ...................................................................... 86

Poor C/N Performance ........................................................................ 89

Poor Distortion Performance .............................................................. 91

Poor Frequency Response .................................................................... 93

No RF Output from Reverse Receiver ............................................... 95
83