Re: Range using single-mode SFPs across multi-mode fiber

2011-12-15 Thread Oliver Rothschild
Some idiot jumpered runs that existed between 3 different buildings. That person did not know about the 550m limit that we also follow. Sent from my iPhone On Dec 14, 2011, at 22:38, Keegan Holley keegan.hol...@sungard.com wrote: 2011/12/14 oliver rothschild orothsch...@gmail.com

Re: Range using single-mode SFPs across multi-mode fiber

2011-12-15 Thread Justin M. Streiner
On Wed, 14 Dec 2011, Keegan Holley wrote: 2011/12/14 oliver rothschild orothsch...@gmail.com How did you end up with a MM run this long? SX optics are only rated at 500 meters at best. Even with mode conditioning jumpers more the 1km is a risk. I'm glad it held up during testing though.

RE: Range using single-mode SFPs across multi-mode fiber

2011-12-15 Thread Holmes,David A
, December 15, 2011 5:53 AM To: Keegan Holley Cc: nanog@nanog.org; oliver rothschild Subject: Re: Range using single-mode SFPs across multi-mode fiber On Wed, 14 Dec 2011, Keegan Holley wrote: 2011/12/14 oliver rothschild orothsch...@gmail.com How did you end up with a MM run this long? SX

Range using single-mode SFPs across multi-mode fiber - was Re: NANOG Digest, Vol 47, Issue 56

2011-12-14 Thread Marshall Eubanks
On Wed, Dec 14, 2011 at 2:34 PM, oliver rothschild orothsch...@gmail.com wrote: This is my first e-mail to the list and I hope it is not entirely As a suggestion, could you please in the future not use a subject such as Re: NANOG Digest, Vol 47, Issue 56 for posts. It is MUCH better to use a

Re: Range using single-mode SFPs across multi-mode fiber - was Re: NANOG Digest, Vol 47, Issue 56

2011-12-14 Thread Keegan Holley
inappropriate. We are attempting to use Juniper single-mode SFPs (LX variety) across multi-mode fiber. Standard listed distance is always for SFPs using the appropriate type of fiber. Does anyone out there know how much distance we are likely to get? Thanks for your help in advance.

Re: Range using single-mode SFPs across multi-mode fiber

2011-12-14 Thread Jeff Kell
On 12/14/2011 3:37 PM, Keegan Holley wrote: Single mode just has a smaller core size for the smaller beam emitted by laser vs. LED. it works although I've never done it outside of a lab (MM is cheaper). As for the distance it theory that should come down to the optics and your transmit

Re: Range using single-mode SFPs across multi-mode fiber - was Re: NANOG Digest, Vol 47, Issue 56

2011-12-14 Thread Justin M. Streiner
On Wed, 14 Dec 2011, Keegan Holley wrote: inappropriate. We are attempting to use Juniper single-mode SFPs (LX variety) across multi-mode fiber. Standard listed distance is always for SFPs using the appropriate type of fiber. Does anyone out there know how much distance we are likely to get?

Re: Range using single-mode SFPs across multi-mode fiber - was Re: NANOG Digest, Vol 47, Issue 56

2011-12-14 Thread Keegan Holley
2011/12/14 Justin M. Streiner strei...@cluebyfour.org On Wed, 14 Dec 2011, Keegan Holley wrote: inappropriate. We are attempting to use Juniper single-mode SFPs (LX variety) across multi-mode fiber. Standard listed distance is always for SFPs using the appropriate type of fiber. Does anyone

Re: Range using single-mode SFPs across multi-mode fiber - was Re: NANOG Digest, Vol 47, Issue 56

2011-12-14 Thread Mark Foster
On 15/12/11 09:54, Justin M. Streiner wrote: On Wed, 14 Dec 2011, Keegan Holley wrote: inappropriate. We are attempting to use Juniper single-mode SFPs (LX variety) across multi-mode fiber. Standard listed distance is always for SFPs using the appropriate type of fiber. Does anyone out there

Re: Range using single-mode SFPs across multi-mode fiber

2011-12-14 Thread Keegan Holley
2011/12/14 Jeff Kell jeff-k...@utc.edu On 12/14/2011 3:37 PM, Keegan Holley wrote: Single mode just has a smaller core size for the smaller beam emitted by laser vs. LED. it works although I've never done it outside of a lab (MM is cheaper). As for the distance it theory that should

Range using single-mode SFPs across multi-mode fiber

2011-12-14 Thread oliver rothschild
Thanks to all who responded to my clumsy first question (both on matters of etiquette and technology). The group I work with (we are a small project acting as a last mile provider) was in the midst of deploying this solution when I posed the question. We put the single mode Juniper SFPs (LX) on to

Re: Range using single-mode SFPs across multi-mode fiber

2011-12-14 Thread Chuck Anderson
On Wed, Dec 14, 2011 at 10:02:58PM -0500, oliver rothschild wrote: Thanks to all who responded to my clumsy first question (both on matters of etiquette and technology). The group I work with (we are a small project acting as a last mile provider) was in the midst of deploying this solution

Re: Range using single-mode SFPs across multi-mode fiber

2011-12-14 Thread Keegan Holley
2011/12/14 oliver rothschild orothsch...@gmail.com Thanks to all who responded to my clumsy first question (both on matters of etiquette and technology). The group I work with (we are a small project acting as a last mile provider) was in the midst of deploying this solution when I posed the

Re: Range using single-mode SFPs across multi-mode fiber

2011-12-14 Thread Mark Foster
On 15/12/11 16:38, Keegan Holley wrote: 2011/12/14 oliver rothschild orothsch...@gmail.com Thanks to all who responded to my clumsy first question (both on matters of etiquette and technology). The group I work with (we are a small project acting as a last mile provider) was in the midst of

Re: Range using single-mode SFPs across multi-mode fiber

2011-12-14 Thread Chuck Anderson
On Wed, Dec 14, 2011 at 10:38:47PM -0500, Keegan Holley wrote: 2011/12/14 oliver rothschild orothsch...@gmail.com Thanks to all who responded to my clumsy first question (both on matters of etiquette and technology). The group I work with (we are a small project acting as a last mile

Re: Range using single-mode SFPs across multi-mode fiber

2011-12-14 Thread Keegan Holley
I stand corrected, but I haven't dealt much with 100BASE-FX. I was just talking in terms of 1G/10G. 2011/12/14 Mark Foster blak...@blakjak.net On 15/12/11 16:38, Keegan Holley wrote: 2011/12/14 oliver rothschild orothsch...@gmail.com orothsch...@gmail.com Thanks to all who responded to