[177989] in North American Network Operators' Group
Re: MultiMode Fiber Connectivity... (850nm) Power Question
daemon@ATHENA.MIT.EDU (Faisal Imtiaz)
Wed Feb 11 16:35:43 2015
X-Original-To: nanog@nanog.org
Date: Wed, 11 Feb 2015 21:33:40 +0000 (GMT)
From: Faisal Imtiaz <faisal@snappytelecom.net>
To: bob@FiberInternetCenter.com
In-Reply-To: <b3d217c25fe17c71529d2827c8154f76.squirrel@66.201.44.180>
Cc: NANOG <nanog@nanog.org>
Errors-To: nanog-bounces@nanog.org
Thank you guys (Bob, Brandon & Eric) for the prompt answer.
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@Snappytelecom.net
----- Original Message -----
> From: "Bob Evans" <bob@FiberInternetCenter.com>
> To: "Faisal Imtiaz" <faisal@snappytelecom.net>
> Cc: "NANOG" <nanog@nanog.org>
> Sent: Wednesday, February 11, 2015 4:06:23 PM
> Subject: Re: MultiMode Fiber Connectivity... (850nm) Power Question
>
>
> 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@Snappytelecom.net
> >
>
>
>
