About harmonydave

harmonydave · 07-14-2013

Hey everyone,I have an odd situation here, 2 switches (3750X and 2960) connected with single mode fiber and using a GLC-LH-SMD SFP in each switch. When I check the DOM with 'show int gi0/1 trans det' (using the appropriate interface identifier for ea...

harmonydave · 07-18-2013

Thanks Sunil, sounds like a job for the installers . As far as I know, there are no breaks in the run anywhere except a splice box at either end (no patch panels, no other splices). I'm going to try the fiber swap test again, it must be a problem wit...

harmonydave · 07-18-2013

Update: tried the loop-back with both interfaces, and just to really make things interesting, there was no signal loss at either (Tx and Rx around the -5dBm to -7dBm). Put the installed fiber back in and the 2960 end again showed a degraded Rx close ...

harmonydave · 07-16-2013

Thanks Tom et al, the link length is under 1000feet, I wasn't present when the link was installed so I'll have to review exactly what they did in terms of splices etc next time I'm on site. I don't have the documentation yet from the installers eithe...

harmonydave · 07-14-2013

Hi Sunil,Thanks for the quick reply. We don't routinely work with single mode, most of our stuff is short haul so I don't have an attenuator. I can try and beg/borrow/steal one from somewhere, but wouldn't you think that if it was the fiber that when...

Member Since	‎07-14-2013 12:29 AM
Date Last Visited	‎08-18-2017 04:27 AM
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