Specifications

C-2
Reference Guide
Model No.
Running Head
AIS
Alarm Indication Signal
AIM
ATM Inverse Multiplexer
a-law
E1 companding standard used in the conversion between analog and digital signals in PCM
systems.
AMI
Alternate Mark Inversion, a line coding format for T1 lines.
ANSI
American National Standards Institute
ASCII
American Standard Code for Information Interchange
ATM
Asynchronous Transfer Mode
AW G
American Wire Gauge (the size of an electrical wire)
B7R
Bit #7 Redundant
B7R card
A network card used to provide Network Management capability for the system.
B8ZS
Bipolar 8-Zero Substitution, a coding scheme that maintains minimum-ones density on a T1
line.
B-channel
In ISDN
,
a full-duplex, 64 kbps (“bearer”) channel that carries user data.