Cisco Cisco 1 GHz GainStar Node Guia Da Instalação
Chapter 4 Troubleshooting
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No Forward RF Signal
The forward RF signal can be measured at the –20 dB RF test point on the mainboard
forward output test points.
forward output test points.
No Forward RF Signal Troubleshooting Table
Before you begin troubleshooting for no forward RF signal, verify that the GainStar
Mini Node is receiving the proper optical input signal from the forward transmitter.
Important: You cannot balance the
Mini Node is receiving the proper optical input signal from the forward transmitter.
Important: You cannot balance the
GainStar
Mini Node without the proper optical
input signal.
Possible Cause
Solution
No forward RF signal at the forward
output test point.
output test point.
Verify that all the proper accessories,
pads, EQs, and signal directors are firmly
installed in the correct locations.
Verify that the factory installed
accessories are firmly installed in the
correct locations.
Replace the mainboard.
pads, EQs, and signal directors are firmly
installed in the correct locations.
Verify that the factory installed
accessories are firmly installed in the
correct locations.
Replace the mainboard.