Appendix e - abbreviations, E - a, Ppendix – ADC H2TU-C-388 User Manual
Page 63: Bbreviations
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