Cisco Cisco 1 GHz GainMaker Amplifier インストールガイド
Chapter 4 Troubleshooting
80
No DC Power Troubleshooting Table
Before you begin troubleshooting for no DC power, verify that there is proper AC
power input coming into the DC power supply and that the AC voltage lockout
threshold is set to your system's powering requirements.
power input coming into the DC power supply and that the AC voltage lockout
threshold is set to your system's powering requirements.
Possible cause
Solution
No DC power at the power supply.
Check and/or replace the power supply.
DC at the power supply but not at
the amplifier module.
the amplifier module.
Check and/or replace the power wiring
harness and/or the amplifier module.
harness and/or the amplifier module.
Check and/or replace the power supply.