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LTPH-UM-1031-03, Issue 3
A
PPENDIX
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
H4TU-C-319 List 1
E - A
BBREVIATIONS
September 12, 2003
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
Appendix E - Abbreviations
67
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