0 10base-t functionality in adapter mode, 1 10base-t transmit clock generation, 2 10base-t transmit blocks – Intel 82555 User Manual

Page 25: 1 10base-t manchester encoder, 2 10base-t driver and filter, 3 10base-t receive blocks, 1 10base-t manchester decoder, 10base-t functionality in adapter mod, 10base-t transmit clock generation, 10base-t transmit blocks