6 Performing Other Network Tests AIM User’s Manual
59
Performing a Cable Resistance Test
You can use the AIM’s Cable Resistance test feature to help determine whether there
is a problem with a cable used in the distribution network. To complete this test, you
must use the 25 Ω Cable Test Load (provided with the AIM). By placing the Cable
Test Load on the end of a cable, you can determine the resistance value for the
cable. A high resistance value indicates that the cable may have been inadvertently
cut. A low resistance value indicates that the cable may have a short.
To perform a Cable Resistance test:
1 Start the job for the installation (“Starting a Job” on page31).
2 From the HOME screen, press TEST to go to the TEST screen.
3 Use
c or d to highlight Cable Resistance Test and press SELECT to go to the
CABLE RESISTANCE TEST screen.
4 Connect the 25 Ω Cable Test Load to the AIM ODU F connector.
5 Press NEXT to confirm the resistance of the Cable Test Load.
If the resistance is outside of the allowable range, a message appears. Perform the
following steps:
a Press RE-TEST to confirm the problem.
b If the resistance is still outside of the range, the Cable Test Load has failed.
Replace the Cable Test Load and re-start the Cable Resistance test.
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