MIL-STD-2042-6B(SH)
NOTE: If the optical fiber cable assembly under test is terminated with single fiber connectors on the input side, disconnect the input MQJ from the cable assembly under test. Repeat steps 9 through 15 for the other fibers in the optical fiber cable assembly under test.
NOTE: If the optical fiber cable assembly under test is terminated with
multi-fiber connectors on the input side, disconnect the optical fiber
cable assembly under test and the ORLM interface cable from the input
MQJ. Repeat steps 5 through 15 for the other fibers in the optical
fiber cable assembly under test.
Step 16 -Proceed to 3.3.
3.3 Cable assembly return loss.
Step 1 - Verify the measured return loss is less than the value identified in table 6K1-III.
NOTE: The optical fiber cable assembly is considered acceptable if the measured return loss is greater than or equal to the minimum cable assembly return loss. If the measured return loss is acceptable, proceed to step 3 below. If the measured return loss is less than the minimum cable assembly return loss, proceed to step 2 below.
TABLE 6K1-III. Minimum cable assembly return loss.
Termination process |
Minimum cable assembly return loss |
Domed polish, standard |
30 dB |
Domed polish, enhanced |
40 dB |
Step 2 - Disconnect and clean all the connections and retest. If the measured cable assembly return loss is still unacceptable, re-polish the optical fiber cable assembly terminations or replace the defective components and retest.
Step 3 - If the optical fiber cable assembly is not going to be immediately connected to its mating connectors, install protective caps over the optical fiber cable assembly connectors.
6K1-6
METHOD 6K1
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