Cisco Cisco 1 GHz GainMaker Amplifier Guía De Instalación
Chapter 4 Troubleshooting
86
No AC Power Troubleshooting Table
Before you begin troubleshooting for no AC power, verify that there is proper AC
power input coming into the line extender and that the AC voltage lockout threshold
is set to your system's power requirements.
power input coming into the line extender and that the AC voltage lockout threshold
is set to your system's power requirements.
Possible cause
Solution
No AC at the housing seizure.
Check the AC source.
Check the AC shunt power director
configuration at the line extender feeding AC
to this line extender.
configuration at the line extender feeding AC
to this line extender.
Make sure that the housing seizure is properly
tightened.
tightened.
AC at the housing seizure but not at
the AC shunt power director.
the AC shunt power director.
Check and/or replace the AC shunt power
director.
director.
Check and/or replace the line extender
module.
module.
AC at the line extender test point but
not at the power supply test point.
not at the power supply test point.
Check and/or replace the power supply wiring
harness.
harness.
Check and/or replace the power supply.