Test Procedure
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5.3
Unpinned to Unpinned Link
The following procedure describes steps to test Unpinned to Unpinned Trunk cable terminated at patch
panels.
Note
Due to the limitations of the connecting hardware for this configuration in the IEC
61280-4 -1’s test procedure, the following procedure is a recommendation by Softing,
following the closest practical approach to the original intention of yielding satisfactory
results in practical situations.
5.3.1
Test cord insertion loss verification
TC, LC and RC are recommended to be of reference grade.
1.
Connect the LC to the LOCAL and REMOTE units.
2.
Press the
[TOOLS]
button
è
Set Reference
and press the
[Ok]
button to set reference.
Please ensure the fiber cords are cleaned using the cleaning kit provided in the kit.
3.
Disconnect LC from the LOCAL unit.
4.
Do not disconnect LC from the REMOTE unit.
5.
Connect the unpinned end of RC to the LOCAL unit and the pinned end to the unpinned end of LC
using a coupler.
6.
Press the
[AUTOTEST]
button to perform an AUTOTEST.
7.
Check that the result is less than the acceptable loss limits.
Termination 1
Termination 2
Attenuation Requirement
Reference Grade
Reference Grade
≤
0.1dB
Reference Grade
Standard Grade
≤
0.3dB
Standard Grade
Standard Grade
≤
0.5dB
8.
Clean the adaptors and connectors or replace the cords if necessary and repeat the test again.
The following step is optional but recommended. Performing the following step will allow LC to be
used in either orientation.
9.
Interchange the ends of LC and repeat steps 1 to 8.
