10
Testing Multimode or Single-mode Links
Step III - Measure Multimode Link Insertion Loss
Connect free ends of transmit and receive jumpers to the link under test.17.
Clean jumper end that connects to patch panel prior to every test!
OPM will measure and display the insertion loss of the link under test.18.
Perform one of the following:19.
If using OPM4: Record link insertion loss at the current test wavelength.
If using OPM5: Press the [Store] key on the OPM5 to save the displayed
measurement in the next available memory location.
Repeat steps 17-19 for all links to be tested at the current wavelength.20.
© 2010 AFL Telecommunications, all rights reserved. OLTK-00-1ENG Revision 1A, 2010-06-29
www.AFLtele.com /1.800.321.5298 /1.603.528.7780
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OLS
OPM
2 dB
Link under test
Transmit jumper
Receive jumper
Patch panelPatch panel
Mandrel wrap - MM (shown),
or 30 mm loop - SM
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