Cisco GS7000 Troubleshooting page 3

Troubleshooting
Problem
Can not control with LCS
software
Poor reverse C/N
performance
Noise on reverse path
Poor frequency response
Solution
Check whether the USB cable connect correctly and refer to
High Output Intelligent Node Software Installation and Configuration Guide
see whether USB connection mode on mobile phone has been configured correctly.
• Check if the headend performance meets system design target.
• Measure level of RF input to RPD and check if the RF input level is correct.
Look at the reverse path to determine which port(s) are noisy. Using max hold
makes it easier to see bursty noise signals.
• Ensure RF cables are connected properly.
• Ensure that the diplexers match the installed splitter.
Troubleshooting the node
Cisco GS7000 Super
to
Troubleshooting
3