100Base-T4 uses all four pairs. 100Base-TX only uses two pairs.
(at the network interface cards/hubs)
(at the cables)
RJ45 FEMALE CONNECTOR at the network interface cards/hubs.
RJ45 MALE CONNECTOR at the cables.
Note: TX & RX are swapped on Hub's. Don't know about Bi-directional data.
Contributor: Joakim Ögren, Kim Scholte
Copyright © The Hardware Book Team 1996-2001.
May be copied and redistributed, partially or in whole, as appropriate.
Document last modified: 2001-06-07