AFL MFT Panduan Referensi Cepat - Halaman 14

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Testing Multimode or Single-mode Links

Step III - Measure Multimode Link Insertion Loss

16. Connect free ends of transmit and receive jumpers to the link under test.

Clean jumper end that connects to patch panel prior to every test!

17. MFP will measure and display the insertion loss of the link under test.

18. Record link insertion loss at the current test wavelength.

19. Repeat steps 17-19 for all links to be tested at the current wavelength.

Transmit jumper

OLS

Patch panel

Link under test

Mandrel wrap - MM (shown),

or 30 mm loop - SM

Patch panel

Receive jumper

2 dB

MFP