Filter
Top Products
152-388-100-02, Issue 2 Appendix E - Abbreviations
H2TU-C-388 List 1 June 6, 2000 55
APPENDIX E - ABBREVIATIONS
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