All of these are good ideas and points. What I'd suggest to the equation is if one side is more staffed/more manned/more accessible, its better to put your attenuators there. Cleaner is also a nice point to consider, but of course everyone keeps their connectors and environment super-neat, right?
neal rauhauser wrote: > Well, BOFH style, I would say you put them where you need them :-) > > > We had a problem with this last month - burned up a PA-POS-OC3 due to > having it on only 800' of dark fiber. We bought 3dB through 15dB attenuators > from Fiber Instrument Sales along with an inexpensive test kit ($1,000 or > so) and then fooled around until we got what we wanted. We ended up with 7dB > of input attenuation and 5dB of output. > > Place the stuff where it makes sense - out of harm's way, which can be > either at the device or at the patch panel. Get two of everything you use > *including the fiber jumpers*. I've seen people with one critical oddball > fiber jumper make a wrong move and then have *long* outages - this happened > with one customer when the change from SC to LC connectors was just starting > ... > > Oh, and I don't have to tell you to document this, right? Use the system > in place, and if the system is "ad hoc" print a couple single page copies of > what was done and why, then laminate 'em and glue 'em to the wall in the > appropriate location :-) > > > > On 10/26/07, Tassos Chatzithomaoglou <[EMAIL PROTECTED]> wrote: >> Does anyone know if in-line optical attenuator have to be connected on the >> receiver side only? >> >> For example in the following link >> >> >> A---------------------C >> SW1 SW2 >> B---------------------D >> >> SW1 is transmitting through A and receiving through B >> SW2 is transmitting through D and receiving through C >> >> Where is the best place to put the attenuators? B & C? >> Can i put them on A & B? >> >> I did some tests putting them on every possible side (as long as there is >> one on each fiber strand) and all of them worked, but i >> was wondering if there is a best practice about them. >> >> -- >> Tassos >> _______________________________________________ >> cisco-nsp mailing list cisco-nsp@puck.nether.net >> https://puck.nether.net/mailman/listinfo/cisco-nsp >> archive at http://puck.nether.net/pipermail/cisco-nsp/ >> > _______________________________________________ > cisco-nsp mailing list cisco-nsp@puck.nether.net > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ > > _______________________________________________ cisco-nsp mailing list cisco-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
