Appendix E - Abbreviations

LTPH-UM-1109-01, Issue 1

 

 

APPENDIX E - ABBREVIATIONS

A

ACO:

Alarm Cutoff

ADSL:

Asymmetric Digital Subscriber Line

AIS:

Alarm Indication Signal

ALM:

Minor Alarm

ALMP:

Alarm Pattern

AMI:

Alternate Mark Inversion

ANSI:

American National Standards Institute

AOR:

Addressable Office Repeater

ARM:

Armed

ASCII:

American Standard Code for Information Interchange

AUTO:

Auto-Framing Mode

AWG:

American Wire Gauge

B

B8ZS:

Bipolar with 8-Zero Substitution

B8ZSS:

B8ZS Monitored Seconds

BER:

Bit Error Rate

BERT:

Bit Error Rate (BER) Tester

BPVT:

Bipolar Violation Transparency

BRG:

Bridge

C

CEV:

Controlled Environmental Vault

CI:

Customer Installation

CLEI:

Common Language Equipment Identifier

CLOC:

Customer Local 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

D

DBER: DS1 Bit Error Rate Threshold

DDS:

Digital Data Service

DLC:

Digital Loop Carrier

DS1:

Digital Signal, Level 1

DSX-1:

Digital Signal Cross-Connect, Level 1

E

ECI:

Equipment Catalog Item

EQL:

Equalization

ES:

Errored Seconds

ESF:

Extended SuperFrame

ES-L:

Errored Seconds - Line

ES-P:

Errored Seconds - Path

F

FRMG: Framing

G

GNLB: Generic Loopback

H

HBER:

HDSL2 Bit Error Rate Threshold

HCDS:

High Capacity Digital Service

HCS:

HiGain Card Shelf

HDSL2:

High-bit-rate Digital Subscriber Line 2

HG:

HiGain

HMU:

HiGain Management Unit

I

ID:

Identification

IN:

Transmit

IOR:

Intelligent Office Repeater

IR:

Intelligent Repeater

L

LA:

Loop Attenuation

LAIS:

Line Alarm Indication Signal

LATT:

Loop Attenuation Threshold

62

January 9, 2002

H2TU-C-231 List 2