Historical
ANSI T1.646a-1997
Supplement ANSI T1.646a-1997
This supplement adds a 622 Mbit/s Multi-mode fiber interface to ANSI T1.646. It also adds two normative annexes for 51.84 and 25.6 mbit/s UTP Metallic Physical Layers to ANSI T1.646.
Alliance For Telecommunications Industry Solutions [atis]