[c-nsp] QSFP to SFP+ over 300 meters: Can it be done out of box?

[Lincoln Dale]

On Fri, Jun 21, 2013 at 12:08 PM, Troy Lucero <troy at osihardware.com> wrote:

> Anyone care to comment on trying to go from a 40gig port to a 10gig port
> over 300 meters?
>

Yes its possible.  No idea if Cisco offer it but certainly other vendors do.

Its not a IEEE 'standard' but it certainly exists, because there is demand
for it.  The vendor that I work for ships:

   - "40GBASE-XSR4" QSFP+: 40G over 300m OM4 MMF. Optically compatible with
   10GBASE-SR.
   - "40GBASE-PLRL4" QSFP+: 40G over 1km SMF. More cost effective than
   40G-LR4
   - (there is also 10GBASE-LRL SFP+ which is optically compatible with
   10GBASE-LR up to 1km.)



cheers,

lincoln.