> Grab an optical fibre scope while you're at it. It's amazing how dirty > your cable ends and recepticals can actually be.
Absolutely - even brand new cables directly out of the manufacturer's plastic bags can be filthy. I did have some fibre scope photos of this somewhere... > with fibre, the major carrier datacentre operators less so - yes, they > did it too) as plugging SC cables into SCA recepticals or vice versa. This.. ..or connectors not properly mated. High attenuation. Push. Click. Problem solved. > Have you done optical loss testing? Some network gear can tell you > directly what your tx and rx power levels are. Be careful with this - while it can often be a good guide, I have seen many cases where the diagnostic data says the SFP is transmitting, but an optical power meter shows nada, zilch, zero, nuffin' (as in no light, /not/ 0dBm, lol). ..or the launch level is vastly below what the SFP is reporting it is. _______________________________________________ AusNOG mailing list [email protected] http://lists.ausnog.net/mailman/listinfo/ausnog
