06-03-2010 07:26 AM - edited 03-06-2019 11:24 AM
Hi,
I have 2 Catalyst 3750E series switches and need to connect them to each other. I would like to connect them using a 10 GB link via the existing Multimode fibre available (62.5 micron core). However, this cable is between to fibre patch panels approx 100 m apart. I would like to use the X2-10GB-LRM adaptors, but depending on which datasheet I read, I'm unsure weather i need to use conditioning patch cables at each end. I'm guessing these would be CAB-GELX-625 if required, although some datasheets say you only need them over 300 m? Confussed!!
Any pointers would be much appriciated.
Thanks,
Steve
06-03-2010 07:48 AM
Hello Steve,
you should be fine in connecting using 100 meters fiber, the problem with single mode is when the fiber cable is too short and the signal can saturate the receiver so an attenuator is introduced.
Hope to help
Giuseppe
06-03-2010 08:01 AM
Hi Giuseppe,
So the fact im using multimode fibre and multimode patch cables, I shouldn't need to attenuate the singal, thus removing the requirement for conditioning patches?
Steve
06-03-2010 08:37 AM
Steve,
With MM fiber and MM patch panel and your distance you are good to go. No need for to attenuate the signals
HTH
Reza
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