[c-nsp] 15km optics

Marian Ďurkovič md at bts.sk
Fri Mar 13 13:00:06 EDT 2009

On Fri, 13 Mar 2009 12:48:15 -0300, Ray Burkholder wrote
> I have a carrier which has about 13km to 15km of fibre to their CO.  They
> run 1310 nm alcatel equipment on their end.  I was wanting to use a Cisco
> GLC-LH-SM on my end but that is rated for 10km.  The GLC-ZX-SM is 1550 
> nm 70km device which is incompatible.
> Does anyone have suggestions on how to complete this link?  inexpensive
> optical regenerator?  small intermediate alcaltel box?   a cisco SFP running
> 1310 nm and has longer range?

SFPs for 20 km, 40 km or even 55 km reach running at 1310 nm are commonly
available on the market, but not from Cisco. Power budget upto 22 dB could
be supported at 1310 nm.

   With kind regards,


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