ADC H2TU-C-231 ユーザーズマニュアル
Appendix E - Abbreviations
LTPH-UM-1109-01, Issue 1
62
January 9, 2002
H2TU-C-231 List 2
A
PPENDIX
E - A
BBREVIATIONS
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