Subject: Re: Pad 1310nm cross-connects? Date: Sun, Oct 20, 2013 at 07:21:42AM +0200 Quoting Måns Nilsson (mansa...@besserwisser.org): > Subject: Pad 1310nm cross-connects? Date: Sat, Oct 19, 2013 at 07:33:19PM > -0700 Quoting Chris Costa (ccosta92...@gmail.com): > > What are the opinions/views on attenuating short, 1310nm LR cross-connects. > > Assume < 20m cable length and utilizing the same vendor optics on each > > side of the link. Considering the LR transmit spec doesn't exceed the > > receiver's high threshold value do you pad the receiver closer to the > > median RX range to avoid potential receiver burnout over time, or just > > leave it un-padded? > > LR usually needs padding in that scenario, IMHO. This also
My apologies. I was thinking not of 10km / 20km class optics but the 80-100km stuff. There, padding is quite necessary in short-range setups. For 10/20km stuff, I, too, have run lots of 2m patch cords directly between linecards without harm. -- Måns Nilsson primary/secondary/besserwisser/machina MN-1334-RIPE +46 705 989668 One FISHWICH coming up!! Courtesy conversions: (km->miles, km-> miles, metres/100 -> feet) 10/1.6 6.25000000000000000000 80/1.6 50.00000000000000000000 200/(2.54*12) 6.56167979002624671916
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