I am currently trying to test SFPs using a jdsu hand held tester. At current I have 1ge finisar 1310 sfps in both ports in the jdsu R/T port 1 and 2. Connected by a fibre cable and transmitting a light source from the JDSU.
Would I be right in thinking that seeing -4dBm for this type of SFP would mean that both SFPs are working ok?
Does anyone use a jdsu and know any other tests to make sure that sfps are working and if it's possible to test lr/sr/Ix/sx using the same method?
Thanks
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