ADC H4TU-C-319 List 1 Line Unit Manuel D’Utilisation

ADC

LTPH-UM-1031-03, Issue 3

Appendix E - Abbreviations

H4TU-C-319 List 1

September 12, 2003

67

A

PPENDIX

E - A

BBREVIATIONS

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:

BERT: Bit Error Rate Tester

BPV:

Bipolar Violation

BPVT: Bipolar Violation Transparency

BRG:

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:

ESD:

Electrostatic Discharge

ESF:

Extended SuperFrame

ES-L:

Errored Seconds - Line

ES-P:

Errored Seconds - Path

F

FE:

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:

HMU:

HiGain Management Unit

I

ID:

Identification

ILR:

Intelligent Repeater Loop

IN:

Transmit

INSL:

Insertion Loss

IOR:

Intelligent Office Repeater