
PTP 250 User Guide
Testing link end hardware
phn-2182_002v000
May 2011
8-5
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
Test resistance at
the PoE end of the drop cable
on page
8-10
.
4
If either check fails, replace or repair the cable that connects the PoE
power supply to the LPU or ODU.
Содержание Motorola PTP 250
Страница 20: ...List of Tables phn 2182_002v000 xiv May 2011 ...
Страница 30: ......
Страница 80: ...Data network planning Chapter 2 Planning considerations phn 2182_002v000 2 22 May 2011 ...
Страница 126: ...Notifications Chapter 4 Reference information phn 2182_002v000 4 36 May 2011 ...
Страница 192: ...Connecting link to the network Chapter 6 Configuration and alignment phn 2182_002v000 6 36 May 2011 ...
Страница 234: ...Testing the radio link Chapter 8 Troubleshooting phn 2182_002v000 8 14 May 2011 ...