Fluke DTX-CLT CertiFiber Getting Started Manual page 5

Singlemode test reference cord:
0.20 dB or less for 1310 nm and 1550 nm
5 If a result is more than the limit shown above, use the procedure
given in the Users Manual to test the cords in the path that
failed (Input Fiber or Output Fiber). When you have good test
reference cords, set the reference and do these steps again
before you test a fiber link.
6 Save the test results to show that you used good test reference
cords to test the link.
Fluke Networks recommends that you use this procedure
to make sure your test reference cords are good before
you test each fiber link.
Figure 3. Testing the Test Reference Cords in
Note
Smart Remote Mode
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