Appendix C - Abbreviations - ADC HiGain HRU-402 Manual

LTPH-TP-1024-02, Issue 2
A
PPENDIX
A
ADA: Applied Digital Access, Inc.
AIS: Alarm Indicating Signal
AIS-CI: Alarm Indicator Signal-Customer
Interface
AMI: Alternate Mark Inversion
ANSI: American National Standards
Institute
B
B8ZS: Binary 8 Zeroes Suppression
BI: Blockage Indicator
BOM: Bit-Oriented Message
BPV: Bipolar Violation
C
CI: Customer Interface
CLEI: Common Language Equipment
Identifier
CLOC: Customer Local Loopback
CO: Central Office
CPE: Customer Premises Equipment
CRC: Cycle Redundancy Check
CSA: Carrier Service Area
CV-L: Line Code Violation
D
DIS: Disable
DS1: Digital Service, Level 1
DSX: Digital System Cross-Connect
frame
E
ECI: Equipment Catalog Item
ENA: Enable
ES: Errored Seconds
HRU-402 List 4
C - A
BBREVIATIONS
January 3, 2001

Appendix C - Abbreviations

ESF: Extended SuperFrame
F
FDL: Facility Data Link
FRM: Frame
H
HDLC: High-level Data Link Control
HDSL: High-bit-rate Digital Subscriber Line
HDU: HiGain Doubler Unit
HLU: HiGain Line Unit
HRE: HiGain Remote Enclosure
HRU: HiGain Remote Unit
I
IEC: Interexchange Carrier
L
LEC: Local Exchange Carrier
LEV: Level
LOS: Loss of Signal
LPBK: Loopback
LPWR: Local or Line Power
M
MON: Monitor Seconds
N
NE: Network Element
NEBS: Network Equipment-Building
System
NI: Network Interface
NIU: Network Interface Unit
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