MultiMode Fiber Connectivity... (850nm) Power Question

Wed Feb 11 21:06:23 UTC 2015

Thank You
Bob Evans
CTO

> Hello,
>
> I was looking for feedback on the following question:-
>
> When connecting two MM SFP/SFP+/XFP 's together...(short range).
>
> What should be the best practice receive power range ?
>
> Is it true that if the rx power is higher than (x?) then it shortens the
> life of the optics ?

Yes, but thats only true about single mode frequencies not multimode (MM)
because those are not as powerful. All MM is expected to go a very limited
distance, so levels are never high. We have MM 3 foot jumpers between gear
running for years.

> (assumption being made here is that MAX Rx Power is not being exceed as
> per the spec sheets of the optics)
>
> Regards
>
> Faisal Imtiaz
> Snappy Internet & Telecom
> 7266 SW 48 Street
> Miami, FL 33155
> Tel: 305 663 5518 x 232
>
> Help-desk: (305)663-5518 Option 2 or Email: Support at Snappytelecom.net
>