06-25-2013 02:54 AM
Hi Expert
what type of fiber optic module support upto 20 KM
whether GLC-LH-SMD or GLC-EX-SMD ?
Thanks
06-25-2013 05:09 AM
The GLC-EX-SMD would be the correct choice to reach 20km.
07-08-2013 09:25 AM
That depends.
Is this dark fiber that you're running a P2P ethernet circuit on?
If you have a fiber transit provider available, you can ask for DWDM transport (Cisco ONS15454) in which case you can hand of to their Transponder or Muxsponder as MMF, or you can skip the transponder and they'll stipulate a DWDM SM SPF at the exact lambda.
~BAS
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