STRIDE SE-MC2U-SC, User Manual

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Stride Industrial Ethernet Switches User Manual 2nd Ed. Rev. B
Appendix A - Troubleshooting
If the fiber cores are not aligned correctly significant attenuation will occur.
5.
Make sure that all of your connectors are clean. Even a little bit of dust, dirt or grease on a
connector face can significantly degrade a fiber signal. This includes the main fiber optic link
as well as any patch cables that you may be using. When cleaning, it is important to use lint-
free swabs or wipes, preferably of a clean room quality. These can be used dry or wet (with
99% isopropyl alcohol solutions).
• Make certain that you are not cleaning an active fiber, as the laser can cause permanent damage to
your eyes should you look into the end face.
•
Additionally, it is not necessary to scrub the end face, rather to just gently wipe it clean and then
double-check the link. If additional cleaning is required simply repeat this process.
6. Make sure that all connectors are plugged completely into their proper ports. Again, if end
faces are not lined up correctly with transceivers and/or mated fiber ends, the system may fail
due to excess attenuation.
7. Make sure that the transmit cable at the near end is the receive cable at the far end. There
needs to be a crossover for a fiber link to work correctly. Be sure to factor in all patch cords
that may be used.
NOTE: The physical connectors on the ends of a fiber cable do NOT need to match: a link may use an LC connector on
one end and an SC connector on the other end.
A-3