DS1

ANSI T1.231-1997

B8ZS/AMI option

SF (Super Frame), ESF (Extended Super Frame), UF (Unframed)

E1

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

FAS (Frame Alignment Signal), CRC4 (Cyclic Redundancy Check-4 multiframe alignment) (default), UF (Unframed): UF available on VLNC6x packs only

DS3

GR-499-CORE, Issue 2, 1998

VMR, VM

Framed (M13-formatted), C-Bit, or Clear Channel

E3

ITU G.703, G.823

Unframed only

OC-3/OC-12/OC-48

GR-253-CORE, Issue 3, 2000

NA

GR-496-CORE, Issue 1, 1998

ANSI T1.231-1997

STM-1/STM-4/STM-16

ITU-T G.957

10/100BASE-T, 100BASE-LX, 1000BASE-T

1000BASE-SX

1000BASE-LX

1000BASE-ZX

IEEE 802.3

NA