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ADC H2TU-C-388 Manuel D’Utilisation

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Page de 66
152-388-100-02, Issue 2
 
Appendix E - Abbreviations
H2TU-C-388 List 1
June 6, 2000
 55
A
PPENDIX
 E - A
BBREVIATIONS
A
ACO: 
Alarm Cutoff
AIS: 
Alarm Indication Signal
ALM:  Alarm
AMI: 
Alternate Mark Inversion
AWG:  American Wire Gauge
B
B8ZS:  Bipolar with 8-Zero Substitution
B8ZSS: B8ZS Monitored Seconds
BER: 
Bit Error Rate
BPV: 
Bipolar Violation
BPVT:  Bipolar Violation Transparency
C
CI: 
Customer Installation
CLEI:  Common Language Equipment Identifier
CLOC:  Customer Local Loopback
CO: 
Central Office
CPE: 
Customer Premises Equipment
CRC: 
Cyclical Redundancy Check
CREM:  Customer Remote Loopback
CSA: 
Carrier Service Area
CV: 
Code Violation
D
DBER:  DS1 Bit Error Rate
DDS:  Digital Data Service
DLC: 
Digital Loop Carrier
DS1: 
Digital Signal, level 1
DSX-1:  DS1 Cross-Connect Frame
E
ECI: 
Equipment Catalog Item
ES: 
Errored Seconds
ESD: 
Electrostatic Discharge
ESF: 
Extended SuperFrame
ES-L:  Errored Seconds - Line
ES-P:  Errored Seconds - Path
G
GNLB:  Generic Loopback
H
H2TU-R: HiGain Remote Unit
HBER:  HDSL2 Bit Error Rate
HCDS:  High Capacity Digital Service
HCS: 
HiGain Card Shelf
HDSL2: High-bit-rate Digital Subscriber Line 2
HMS:  HiGain Management Shelf
HMU:  HiGain Management Unit
I
ID: 
Identification
ILR: 
Intelligent Line Repeater
IN: 
Transmit
IOR: 
Intelligent Office Repeater
IR: 
Intelligent Repeater
L
LA: 
Loop Attenuation
LED: 
Light Emitting Diode
LOS: 
Loss of Signal
LOSW:  Loss of Sync Word
LOSWS: Loss of Sync Word Second
LPF: 
Line Power Feed
M
MSEC:  Monitored Seconds
N
NI: 
Network Interface
NID: 
Network Interface Device
NLOC:  Network Local Loopback
NMA:  Network Management and Administration
NREM:  Network Remote Loopback
NVRAM: Non-Volatile Random Access Memory
O
OPTIS:  Overlapped PAM Transmission with Interlocking Spectra
OUT: 
Receive
P
PAM:  Pulse Amplitude Modulation
PRM-FE: Performance Report Messaging - Far End
PRM-NE: Performance Report Messaging - Near End
PWRF:  Power Feed
R
RDA:  Remote Disconnect Alarm
RLOS:  Remote Loss of Signal
S
SES: 
Severely Errored Seconds
SES-L:  Severely Errored Seconds - Line