User's Manual

Chapter 11: Troubleshooting
Power-up troubleshooting
Page 11-14
Power-up troubleshooting
Module does not power ON
Is the
LED always red?
Is there AC power
going to the supply?
No
Switch ON AC mains power
Test cable, use known
good cable. Could the radio be
in default mode
Yes
Yes
Test cable?
No
Is cable length < 300 meters?
Yes
Connect to a known po wer
supply
Is the module’s
red LED ON?
Yes
Yes
Module is powered ON
Yes
Ethernet cable
repaired
Contact Cambium Support for
RMA
No
Is Module’s power
LED ON?
No
A
Yes
Cable wire and pin out
corrected
Cable length within
300 meters
Yes
No
No
A
Connect to known good
module
Is module getting
powered ON?
No
Yes