Table of Contents
Advertisement
PTP 250 User Guide
AC LED is off
If the AC LED is not on solid or flashing, proceed as follows:
Remove the power lead from the PoE power supply.
1
Test that the mains power supply is working.
2
If the mains power supply is not working, investigate the cause.
3
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
the PoE end of the drop cable
4
If either check fails, replace or repair the cable that connects the PoE
power supply to the LPU or ODU.
phn-2182_002v000
May 2011
on page 8-10.
Testing link end hardware
Test resistance at
8-5
Advertisement
Table of Contents
