On Mon, Nov 29, 2010 at 01:55:25PM -0500, Doug Hughes wrote: > On 11/29/2010 1:43 PM, Paul Graydon wrote: >> You can actually do 10Gb ethernet over copper, needs to be cat 6A cables >> though, and it's only good for 100m. By the time you start faffing about >> with stuff like that I figure the answer is fiber. > > Hrm, the cat-6A specification calls for higher Mhz, up to 500Mhz (twice > cat-6), but I don't know of a single vendor using cat6a for 10G. The > current standard du-jour is twinax cabling in SFP+ which limits you to ~7m > length. > > I'd be really surprised if anybody could get 100m with 10g on cat6A, even > if the hardware were available. >
Cisco claims to be able to: http://www.cisco.com/en/US/prod/collateral/switches/ps5718/ps708/product_bulletin_c25-575203.pdf Cat6 UTP is good for 55m, and the others are good for 100m _______________________________________________ Tech mailing list [email protected] https://lists.lopsa.org/cgi-bin/mailman/listinfo/tech This list provided by the League of Professional System Administrators http://lopsa.org/
