Abbreviations and Acronyms

L (Continued)

LSD

Long Space Disconnect

LSI

Large-Scale Integrated (circuit)

LSO

List of Stored Options

LSV

List Version

LT

Loop or Link Termination

M

mA

Milliamps

MHz

MegaHertz

Modem

Modulator / Demodulator

MR

Modem Ready

MR/RI

Modem Ready / Ring Indicate

ms

Millisecond

MUX

Multiplexer

N

NAK

Negative Acknowledgment

NET STAT

Network Status

NRZ

Non Return to Zero

NRZI

Non Return to Zero Inverted

NS

No Signal

NT

Network Termination

O

OH

Off Hook

OS

Out-of-Service

P

PBX

Private Branch Exchange

PC

Personal Computer

pc

Printed circuit (board)

PIW

Power Indication

PN

Pseudo random

PND

Present Next Digit

G-6

UTA220/UTA220k

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Image 172
Northern UTA220/UTA220k manual Lsd