Cisco Cisco 1 GHz GainStar Node Installation Guide
Troubleshooting
41
No Forward RF Signal
The forward RF signal can be measured at the Line Extender module forward input
and at the forward output test point.
and at the forward output test point.
No Forward RF Signal Troubleshooting Table
Before you begin troubleshooting for no forward RF signal, verify that the GainStar
Line Extender is receiving the proper forward RF input signal from the upstream
amplifier.
Line Extender is receiving the proper forward RF input signal from the upstream
amplifier.
Possible Cause
Solution
No forward RF signal at the forward
input test point.
input test point.
Verify the connection of the RF Cable
Connector.
Verify that the line extender is receiving
the proper forward RF input signal from
the upstream amplifier.
Important: You cannot balance the line
extender without the proper forward RF
input signal.
Connector.
Verify that the line extender is receiving
the proper forward RF input signal from
the upstream amplifier.
Important: You cannot balance the line
extender without the proper forward RF
input signal.
There is forward RF signal at the forward
input test point, but no signal at the
forward output test point.
input test point, but no signal at the
forward output test point.
Verify that all the proper accessories,
pads, EQs, and signal directors (if
applicable) are firmly installed in the
correct locations.
Verify that the accessories are firmly
installed in the correct locations.
Replace the RF mainboard.
pads, EQs, and signal directors (if
applicable) are firmly installed in the
correct locations.
Verify that the accessories are firmly
installed in the correct locations.
Replace the RF mainboard.