This is an old revision of this page, as edited by EJSawyer (talk | contribs) at 05:56, 20 May 2008 (moved Twinax to Twinaxial cabling: More accurate name). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.
Revision as of 05:56, 20 May 2008 by EJSawyer (talk | contribs) (moved Twinax to Twinaxial cabling: More accurate name)(diff) ← Previous revision | Latest revision (diff) | Newer revision → (diff)A type of cable similar to coax, but with two inner conductors instead of one. Due to cost efficiency it is becoming common in modern very short range high speed differential signaling applications.
Current Applications
One of major applications includes Cisco Systems implementation coupled with SFP+ modules. This type of connection is able to transmit at 10 Gigabit full duplex speed over 10 meter distances. Moreover this setup offers 15 to 25 times lower transceiver latency than current 10GBASE-T CAT6/CAT6a/CAT7 cabling systems: 0.1 μs for Twinax with SFP+ versus 1.5 to 2.5 μs for current 10GBASE-T specification. The power draw of Twinax with SFP+ is around 0.1 watts, which is also much better than 4-8 watts for 10GBASE-T.
As always with cabling one of the consideration points is Bit error ratio or BER for short. Twinax copper cabling has BER better than 10 according to Cisco, and therefore is acceptable for applications in critical environments.
External Links
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