PASL MANUAL Abbreviation(English 060308)

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ROI-S04491-055E ABBREVIATIONS

January , 2005

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ABBREVIATIONS

The following abbreviations are used in the manual for the NEC NewPasolink ( ) GHz 4/8/17/34 MB point-to-point Digital Radio System.

ABBREVIATION DESCRIPTION

A

A Ampere

A-D Analog to Digital

AGC Automatic Gain Control

AIS Alarm Indication Signal

ALC Automatic Level Control

ALM Alarm

AM Amplitude Modulation

AMP Amplifier

ANS Answer

APC Automatic Phase Control

ARSR Arrester ASC Analog Service Channel

ASK Amplitude Shift Keying

ASYNC Asynchronization

ATPC Automatic Transmitter Power Control

ATT Attenuator

AUTONEG Auto Negotiation

AUX Auxiliary

B

BER Bit Error Rate

BNC Bayonet Navy Connector

BPF Band Pass Filter

BR Branching

B-U Bipolar to Unipolar


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ABBREVIATIONS ROI-S04491

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C

CARR Carrier

CAS Channel Associated Signalling

CH Channel

CISPR International Special Committee on Radio Interference

CKT Circuit

CLK Clock

COM Common

COMB Combiner

CONN Connection

CONT Control

CONV Converter

CPU Central Processing Unit

CRC Cyclic Redundancy Check

CTRL Control

CW Carrier Wave

D

D-A Digital to Analogue

dB/div Decibel Per Division

dBm Decibel above (or below) 1 milliwatt

DC Direct Current

DEC Decision

DECOD Decoder DEM Demodulator

DEMUX Demultiplexer

DIFF Differential

DPU Digital Processor Unit

DSC Digital Service Channel

DTE Data Terminal Equipment


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ROI-S04491 ABBREVIATIONS

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E

EMC Electro Magnetic Compatibility

EMI Electro Magnetic Interference

ENCOD Encoder

EOW Engineering Orderwire

EQL Equalizer

ERR Error ESD Electro Static Discharge

ESP Electro Static Protection

F

F Frequency

FE Far End

FET Field-Effect Transistor

FG Frame Ground

FIL Filter

FREQ Frequency

FRM Frame

FSYNC Frame Synchronization

G

G Ground

GND Ground

H

H High

HDB-3 High Density Bipolar-3

HS Hot-standby

HYB Hybrid

Hz Hertz


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I

I/O Input/Output

ID Identification

IDU Indoor Unit

IEEE Institute of Electrical and Electronic Engineers

IF Intermediate Frequency

I/F Inter Facility

IFL Inter Facility Link

IN Input

INH Inhibit

INTFC Interface

ITU International Telecommunication Union

L

L Low

LA Local Access

LAN Local Area Network

LB Loop Back

LED Light Emitting Diode

LPF Low Pass Filter

M

MAINT Maintenance

MDI Media Dependent Interface

MDIX Media Dependent Interface with Crossover MHz/div Mega Hertz Per Division

MIX Mixer

MOD Modulator

MODEM Modulator-Demodulator

MON Monitor

MTPC Manual Transmitter Power Control

MUX Multiplexer


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ROI-S04491 ABBREVIATIONS

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N

NC Normal Closed

NDM Normal Disconnected Mode

NE Near End

NF Noise Figure

NMS Network Management System

NO Normal Open

NORM Normal

NRZ Nonreturn to Zero

O

ODU Outdoor Unit

OPR Operation

OUT Output

OW Orderwire

P

P Power

PAMS Party Alarm Management System

PC Personal Computer

PCM Pulse Code Modulation

PD Phase Detector

PM Pasolink Management

PNMS Pasolink Network Management System

PMON Performance Monitor

PNMT Pasolink Network Management Terminalppm parts per million

PH Phase

PLL Phase-Locked Loop

PLS Pulse

PS Power Supply

P-S Parallel to Serial

PSK Phase Shift Keying

PWR Power


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Q

QTY Quantity

R

RA Remote Access

RCVD Received

RCVR Receiver

REQD Required

RF Radio Frequency

RX Receive

S

SC Service Channel

SEL Selector

SEL V Safety Extra-Low Voltage

SEP Separation

SG Signal Ground

S-P Serial to Parallel

SV Supervisory

SW Switch

SYNC Synchronizer

T

TTL Transistor-Transistor Logic

TRANS Transformer

TRP Transmitter-Receiver Equipment

TX Transmit

U

U Unit

U-B Unipolar to Bipolar



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PASL MANUAL Abbreviation(English 060308)

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