ADC HMS-318, T1MF2S04RA, LTPH-UM-1261-01 user manual Glossary

GLOSSARY

A

ACO – Alarm Cutoff

AUD – Audible (alarm)

AUX – Auxiliary port

AWG – American Wire Gauge

C

CLEI – Common Language Equipment Interface

CO – Central Office

COM – Common

CRIT – Critical (alarm)

D

DSL – Digital Subscriber Loop

DSX-1– DS-1 Cross-connect frame

E

E1 – 2.048 Mbps data rate (European T-1)

EIA – Electronic Industries Alliance

ELU – E1 HiGain Line Unit

ESD – Electrostatic Discharge

ETSI – European Telecommunications Standard Institute

F

FCC – Federal Communications Commission

FGND – Frame Ground

G

G.SHDSL – Single-pair High-speed Digital Subscriber Line

G.703 – ITU-T Recommendation for physical/electrical characteristics of hierarchical digital interfaces.

H

HCDS – High Capacity Digital Service

HCP – HiGain Connector Panel

HDSL – High-bit-rate Digital Subscriber Line

HLU – HiGain Line Unit

HMS – HiGain Management Shelf

HMU – HiGain Management Unit

M

MAJ – Major (alarm)

MIN – Minor (alarm)

MOP – Method of Procedure

N

NC – Normally Closed

NEBS – Network Equipment Building System

NO – Normally Open

LTPH-UM-1261-01 GL-1