Test Resistance At The Poe End Of The Drop Cable; Figure 8-4 Drop Cable Tester (Front And Back Views) - Motorola PTP 250 User Manual

Testing link end hardware
6 Record how many Ping packets have been lost. This is reported by Command
Prompt on completion of the test.
The test has passed if the number of lost packets is less than 2.

Test resistance at the PoE end of the drop cable

If the above procedures fail to diagnose the issue, there may be a fault in the wiring of
the drop cable that connects the ODU (or LPU) to the PoE power supply. Perform this
task to test the resistances between the RJ45 pins.
Use the PTP drop cable tester
from http://www.motorola.com/ptp/support
completing the order form.
NOTE

Figure 8-4 Drop cable tester (front and back views)

Unplug the drop cable from the DATA & POWER OUT port of the PoE power supply.
Connect the drop cable tester to the end of the drop cable. Then, perform the tests
described in
8-10
The values printed on the PTP drop cable tester do not apply to the PTP 250.
Table 8-1. Record the results in the Result column, if this is helpful.
(Figure 8-4) to make testing easier. This can be ordered
by selecting Order Cable Tester and
Chapter 8 Troubleshooting
phn-2182_002v000
May 2011