E1

ITU G.703, G.704, G.706, G.736, G.775, M.2100

DS1/DS3/EC-1

ANSI T1.231-1997 GR-499-CORE, Issue 2, 1998

B8ZS/AMI option, SF/ESF/UF (DS1)

VMR, VM, and clear channel (DS3)

OC-3/OC-12/OC-48/OC-192

GR-253-CORE, Issue 3, 2000

GR-496-CORE, Issue 1, 1998

GR-1400-CORE, Issue 3, 2001

ANSI T1.231-1997

10/100BASE-T, 1000BASE-T, 100BASE-ZX, 100BASE-LX, 100BASE-FX, 1000BASE-ZX, 1000BASE-LX, 1000BASE-SX

IEEE 802.3

IEEE 802.1D

IEEE 802.1Q

ITU G.7041

ITU G.707

VC-12

ITU M.2101

ITU G.707

FICON/ESCON/Fibre-Channel

ITU G.7041

SA22-7202-02

SA23-0394-03

SG24-4662-00

ANSI X3.296-1977

ANSI INCITS 352-2002