Our unit has a built in 100m launch cable, but even so It’s always a little difficult to see what’s happening in a 1M section of cable where there is both a coupler and a splice.
Mark > On Sep 10, 2020, at 12:31 PM, [email protected] wrote: > > I have mixed emotions about 1 km launch cables. Most splicers these days > have a dead zone that is in the range of 1 meter. I have a 3 meter launch > cable and it makes it really easy to dilineate C.O. connector and splice loss > vs anything else. If I had a 1 km cable then a C.O. connector or splice may > be at 1.010 meters. > Also, I set everything up for feet not meters. Go 'merica! > > -----Original Message----- From: Seth Mattinen > Sent: Thursday, September 10, 2020 10:20 AM > To: [email protected] > Subject: Re: [AFMUG] My solution > > On 9/10/20 08:42, Mark Radabaugh wrote: >> >> As far as testing - plug in the OLT and see what the reported signal levels >> are. Compare them with the acceptable levels and the number on the other >> customers on that ONT port. If signals out of line first clean the >> connectors, then break out the optical power meter and check at the NID to >> see it the issue is inside or outside. If it’s outside check and clean the >> connector at the pole/handhole if there is one. If you still can’t find it >> you can break out the OTDR, though keep in mind the OTDR probably isn’t >> going to tell you much about the pigtail. It’s very difficult to see much >> of interest on an OTDR near the launch point, and it’s hard to see anything >> when the pigtail splice is 3’ from the pigtail end. Probably easier to just >> replace the pigtail if you think the splice might be screwed up. > > > Add a 1km launch spool. > > -- > AF mailing list > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > -- > AF mailing list > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com -- AF mailing list [email protected] http://af.afmug.com/mailman/listinfo/af_af.afmug.com
