[54645] in North American Network Operators' Group
Re: fast ethernet limits
daemon@ATHENA.MIT.EDU (Jorge Hernandez)
Fri Jan 10 16:19:24 2003
Reply-To: "Jorge Hernandez" <jorge@noc.unam.mx>
From: "Jorge Hernandez" <jorge@noc.unam.mx>
To: nanog@merit.edu
Date: Fri, 10 Jan 2003 15:09:16 -0800
Errors-To: owner-nanog-outgoing@merit.edu
> Steve,
> What type medium are you using? If it is normal Cat5/6 then the
> limitation is 100 meters for total distance and as you approach that
> limit the signal degrades. That said, 100baseFX can run for 400 meters
> due to the fact that it is fiber, both are part of the fast Ethernet
> specification though.
And just for the record, 100BaseFX in full-duplex mode can actually run for
2000 meters
with multimode fiber 62.5 micron core, 125 micron outer.
--
Jorge Hernandez
UNAM Network Operations Center
http://www.noc.unam.mx
(+52) 55 5622 8509