ADC H4TU-C-319 List 1 Line Unit, HDSL4 user manual Appendix E Abbreviations

LTPH-UM-1031-03, Issue 3 Appendix E - Abbreviations

APPENDIX E - ABBREVIATIONS

A

ACO:	Alarm Cutoff
ADSL:	Asymmetyric Digital Subscriber Line
AIS:	Alarm Indication Signal
ALM:	Alarm
ALMP:	Alarm Pattern
AMI:	Alternate Mark Inversion
AOR:	Addressable Office Repeater
ARM:	Armed
ASCII:	American Standard Code for Information Interchange
AWG:	American Wire Gauge

B

B8ZS:	Bipolar with 8-Zero Substitution
BER:	Bit Error Rate
BERT:	Bit Error Rate Tester
BPV:	Bipolar Violation
BPVT:	Bipolar Violation Transparency
BRG:	Bridge

C

CEV:	Controlled Environmental Vault
CI:	Customer Installation
CLEI:	Common Language Equipment Identifier
CLOC:	Customer Local Loopback
CO:	Central Office
COLB:	Central Office Loopback
CPE:	Customer Premises Equipment
CRC:	Cyclical Redundancy Check
CREM:	Customer Remote Loopback
CSA:	Carrier Service Area
CV:	Code Violation
CV-L:	Code Violation - Line
CV-P:	Code Violation - Path

D

DBER:	DS1 Bit Error Rate
DDS:	Digital Data Service
DL:	Data Link
DLC:	Digital Loop Carrier
DS1:	Digital Signal, Level 1
DSX-1:	Digital Signal Cross-Connect, Level 1

E

ECI:	Equipment Catalog Item
EQL:	Equalization
ESD:	Electrostatic Discharge
ESF:	Extended SuperFrame
ES-L:	Errored Seconds - Line
ES-P:	Errored Seconds - Path

F

FE:	Far End
FRMG:	Framing

H

H4TU-C:HDSL4 Line Unit

H4TU-R:HDSL4 Remote Unit

HBER: HDSL4 Block Error Rate

HCDS: High Capacity Digital Service

HDSL: High-bit-rate Digital Subscriber Line

HG: HDSL Generic

HMU: HiGain Management Unit

I

ID:	Identification
ILR:	Intelligent Repeater Loop
IN:	Transmit
INSL:	Insertion Loss
IOR:	Intelligent Office Repeater

H4TU-C-319 List 1 September 12, 2003 67