Certify Twisted Pair Cabling
Set the Reference
43
Set the Reference
The reference procedure for twisted pair cable sets the baseline
for insertion loss, ACR-F, and DC resistance measurements.
Set the reference at these times:
• When you want to use the tester with a different module. The
tester can save reference values for eight different pairs of
modules.
• When you attach Class F/F
A
or Class I/II link interface adapters,
such as the optional TERA or GG45 adapters.
• Every 30 days, at minimum. To ensure maximum accuracy of
test results, set the reference daily.
To set the reference
1 Install DSX modules in the tester and the remote.
2 Turn on the tester and the remote a minimum of 5 minutes
before you set the reference.
Note
Set the reference only after the testers are at an ambient
temperature between 50 °F and 104 °F (10 °C and 40 °C).
3 Use the appropriate adapters or a reference artifact to connect
the main and remote testers together as shown in Figure 13.
4 On the home screen, tap TOOLS, then tap Set Reference.
5 On the SET REFERENCE screen tap TEST.
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