User Guide: PTP 600 Series
Test link end hardware
phn-0896_012v000
Jul 2010
8-13
Figure 8-4 Drop cable tester (front and back views)
If PTP-SYNC is not installed, unplug the drop cable from the ODU port of the PIDU
Plus. If PTP-SYNC is installed, unplug the drop cable from the ODU OUT port of the
PTP-SYNC unit. Connect the drop cable tester to the end of the drop cable. Then,
perform the tests described in
Table 8-1
. Record the results in the Result column, if
this is helpful.
Table 8-1 RJ45 cable resistance tests at the PIDU Plus end
Step
Test
Result
1
Measure the resistance between pins 1 and 2.
Ohms
2
Measure the resistance between pins 3 and 6.
Ohms
3
Measure the resistance between pins 4 and 5.
Ohms
4
Measure the resistance between pins 7 and 8.
Ohms
5
Ensure that all the results of steps 1 to 4 are within 10%
of each other as follows:
Take the minimum result and multiply by 1.1.
If any of the remaining steps 1 to 4 results are
greater than this, the test has failed.
PASS or
FAIL
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