Specifications

© Copyright IBM Corp. 2000 249
List of Abbreviations
ADPCM Adaptive differential pulse
code modulation
ASCII American National Standard
Code for Information
Interchange
ATC Adaptive Transform Coding
ANSI American National Standards
Institute
AMI Alternate Mask Inversion
BRS Bandwidth Reservation
System
bps bits per second
CCITT Consultative Committee on
International Telegraphy and
Telephony
CIR Committed Information Rate
CP Control Processor
CELP Code Excited Linear
Prediction
CS-ACELP Conjugate Structure Algebraic
Code Excited Linear
Prediction
CAS Channel Associated
Signalling
CCS Common Channel Signalling
CSU Channel Service Unit
CRC Cyclic Redundancy Check
DCE Data Communications
Equipment
DTE Data Terminal Equipment
DLCI Data Link Connection
Identifier
DLSW Data Link Switching
DSUB Digital Subscriber card
DMW Digital MilliWatt
DVFAX Digital Voice/FAX
DIN Deutsch Industrie Norm
connector
DE Discard Eligibility
DSU Data Service Unit
DTMF Dual Tone Multi Frequency
E-CELP Enhanced Code Excited
Linear Prediction
EIR Excess Information Rate
EBCDIC Extended Binary Coded
Decimal Interchange Code
EDM Expansion Data Module
ERL Echo Return Loss
ESF Extended Super Frame
E&M Ear and Mouth
FR Frame Relay
FTP File Transfer Protocol
FRF Frame Relay Forum
FXO Foreign Exchange Office
FXS Foreign Exchange Station
FRAD Frame Relay Access Device
HSP High Speed Processor
HDM Hybrid Data Module
IBM International Business
Machines Corporation
IEEE Institute of Electrical and
Electronics Engineers
ITSO International Technical
Support Organization
IML Initial Microcode Load
ISDN Integrated Services Digital
Network
IP Internet Protocol
ITU-T International
Telecommunications Union
Telecommunications
Standardization
ISO International Organization for
Standardization
kbps kilobits per second
LMI Local Management Interface
Mbps megabits per second
NNI Network to Network Interface
NLP Non Linear Processing
OOS OutOfService
OSI Open Systems
Interconnection
OSPF Open Shortest Path First
PCM Pulse Code Modulation
PBX Private Branch Exchange
PDN Public Data Network
PVC Permanent Virtual Connection