Cisco Cisco 1 GHz GainStar Amplifier Installation Guide
Troubleshooting
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Low or Degraded Reverse RF Signal
The reverse RF signal can be measured at the GainStar Line Extender module
reverse input and reverse output test points.
reverse input and reverse output test points.
Low or Degraded Reverse RF Signal Troubleshooting Table
Before you begin troubleshooting for a low or degraded reverse RF signal, verify
that the GainStar Line Extender is receiving the proper reverse RF input signals from
the downstream amplifiers at the GainStar Line Extender module reverse input main
test point.
Important: You cannot balance the GainStar Line Extender without the proper
reverse RF input signals.
Make sure you have configured the GainStar Line Extender module according to the
specifications in the design print, and that the GainStar Line Extender has warmed
up for approximately one hour.
Make sure you are using the proper total tilt reference when setting receive levels.
Refer to the reverse equalizer charts in Technical Information for more information.
that the GainStar Line Extender is receiving the proper reverse RF input signals from
the downstream amplifiers at the GainStar Line Extender module reverse input main
test point.
Important: You cannot balance the GainStar Line Extender without the proper
reverse RF input signals.
Make sure you have configured the GainStar Line Extender module according to the
specifications in the design print, and that the GainStar Line Extender has warmed
up for approximately one hour.
Make sure you are using the proper total tilt reference when setting receive levels.
Refer to the reverse equalizer charts in Technical Information for more information.