Ac Led Is Off; Ac Led Is Flashing - Motorola PTP 250 User Manual

PTP 250 User Guide

AC LED is off

If the AC LED is not on solid or flashing, proceed as follows:
1
Remove the power lead from the PoE power supply.
2
Test that the mains power supply is working.
3 If the mains power supply is not working, investigate the cause.
4
If the mains power supply is working, report a suspected PoE power supply fault
to Motorola.

AC LED is flashing

If the green AC LED is flashing, proceed as follows:
1
Test that the voltage from the AC outlet that is within the correct range (100 –
240 V AC). If it is out of this range, investigate and correct the AC supply.
Otherwise, proceed to step 2.
2
Remove and examine the cable that connects the PoE power supply to the LPU
or ODU.
3
Check that the resistances are correct as specified in
cable
4
If either check fails, replace or repair the cable that connects the PoE power
supply to the LPU or ODU.
phn-2182_003v004 (Oct 2011)
on page 8-10.
UNDER DEVELOPMENT
Testing link end hardware
Test resistance in the ODU
8-5