Test Resistance In The Odu Cable; Figure 8-4 Drop Cable Tester (Front And Back Views) - Motorola PTP 250 User Manual

Testing link end hardware

Test resistance in the ODU 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. Perform this task to test the
resistances between the RJ45 pins at the PoE end of the ODU cable.
Use the PTP drop cable tester
from http://www.motorola.com/ptp/support
completing the order form.
The values printed on the PTP drop cable tester do not apply to the PTP 250.

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 Table
8-10
(Figure 8-4) to make testing easier. This can be ordered
8-1. Record the results in the Result column, if this is helpful.
UNDER DEVELOPMENT
by selecting Order Cable Tester and
phn-2182_003v004 (Oct 2011)
Chapter 8: Troubleshooting