Acronym

Description

R&D

Research and Development

R&R

Roles and Responsibilities

R&SE

Research and System Engineering

R/W

Read/Write

RA

Recorded Announcement

RAC

Repair Administration and Completion

RACE

Random Access Computer Equipment

RADBS

Record Administration Data Base System

RADR

Receiver Attachment Delay Recorder

RAF

Recorded Announcement Function

RAI

Recorded Announcement Interface

RAM

Random Access Memory

RAMAC

Random Access Method for Accounting and Control

RAMAS

Regional Alarm Surveillance Monitoring & Analysis System

RAO

Regional Accounting Office

RAO

Revenue Accounting Office

RAO

Revenue Accounting Office

RAS

Required At Site

RASC

Residence Accounting Service

RASL

Revenue Accounting Subledger

RAU

Recorded Announcement Unit (AT&T)

RAU

Remote Alarm Unit

RAX

Rural Automatic Exchange

RB

Reverse Battery

RB

Ringback

RBD

Remote Buffer Device

RBIC

Remote Bus Interface Circuit

RBOCs

Regional Bell Operating Companies

RBS

Resource Breakdown Structure

RBT

Remote Batch Terminal

RBT

Ring-Back Tone

RC

Recent Change (message)

RC

Recent Change Subsystem

RC

Regional center

RC/V

Recent Change and Verify

RC/VFY

Recent Change/Verify

RCC

Recovery Control Center

RCC

Regional Control Center

RCC

Regional Control Center

RCC

Remote Cluster Controller

RCE

Remote Controller Equipment

RCF

Remote Call Forwarding

RCLK

Remote Clock

RCLKU

Remote Clock Unit

RCMAC

Recent Change Memory Administration Center

RCS

Routing Control Service

RCT

Remote Concentrating Terminal

RCU

Radio Channel Unit

RCV

Receive

RCVR

Receiver

RCVRDGT

DIGITONE receiver

RCVRMF

Multifrequency receiver

RD

Rotary Dial

RDA

Recorded Dictation Access

RDC

Regional Data Center

RDC

Remote Data Concentrator

RDFI

Remote Digital Facilities Interface

RDLTU

Remote Digital Line Trunk Unit

RDMS

Rapport Relational Database Management System

RDP

Rate Demarcation Point

RDPS

Reverse Direction Protection Switch

RDPS

Reverse Directional Protection Switches (NOCC)

REA

Rural Electrification Administration

RECC

Regional Emergency Communications Director

REG

Range Extender with Gain

REG

Regulatory Department

REX

Routine Exercise(s)

RF

Radio Frequency

RFA

Request For Action

RFC

Request for Change

RFCA

Request For Contract Action

RFI

Radio Frequency Interference

RFI

Request for Information

RFI

Request For Information

RFP

Request For Proposal

RFP

Request for Proposal(s)

RFQ

Request For Quotation

RFQ

Request for Quotation(s)

RFS

Request for Service

RG

Ringing Generator

RHCs

Regional Holding Companies

RID

Report Identifier

RIF

Reduction In Force (HR)

RISC

Reduced Instruction Set Chip

RISLU

Remote Integrated Services Line Unit

RJE

Remote Job Entry

RJE

Remote Job Entry

RLC

Remote Line Controller

RLCM

Remote Line Concentrating Module

RLI

Remote Line Interface

RLIN

Research Libraries Information Network

RLM

Remote Line Module

RLS

Release

RLSD

Received Line Signal Detector

RLT

Released-link Trunk

RMA

Request for Manual Assistance

RMA

Return Material Authorization

RMAP

Remote Memory Administration Position

RMAS

Remote Memory Administration System

RMATS

Remote Maintenance and Test System

RMB

Random Make Busy

RME

Remote Maintenance Equipment

RMM

Read Mostly Memory

RMM

Remote Maintenance Module

RMR

Remote Message Register

RMS

Remote Register, SD point

RMS

Resource Management System

RMS

root-mean-square (deviation)

rms

root-mean-square (pulse broadening or pulse duration)

RMS

Routing Management System

RMS

Routing Management System

RNA

Ring No Answer

RNC

Ring Node Cabinet

RNID

Routine Network Inward Dialing

RNMC

Regional Network Management Center

RNP

Regional Network Provisioning

RNSM

Regional Network Service Manager

RO

Receive Only

RO/NC

Reorder/No Circuit

ROCC

Regional Operations Control Center

ROH

Receiver Off-hook

ROI

Return On Investments

ROM

Read-Only Memory

ROP

Read-Only Printer

ROP

Receive-Only Printer

ROSE

Remote Operations Service Element

ROTL

Remote Office Test Line

RP

Restoration Priority

RP

Revertive Pulsing

RPC

Recovery Processing Center

RPCA

Remotely Programmable Conference Arranger

RPCC

Regional PBX/Centrex Coordinator

RPF

Recovery Processing Facility

RPG

Report Program Generator

RPQ

Request for Price Quotation

RPS

Rotational Position Sensing

RRTE

Reroute Control

RRU

Remote Resources Unit

R-S

Reset-Set (Flip-Flop)

RS-232

Serial Interface standard

RS-232C

Serial Interface standard

RS-232D

Serial Interface standard

RSA

Remote System Access

RSAT

Remote Site Acceptance Test

RSB

Remote Service Bureau

RSC

Remote Switching Center

RSC

Repair Service Bureau

RSC/SO

Residence Service Center/Service Order

RSCS

Remote Spooling Communication Subsystem

RSE

Remote Switching Equipment

RSL

Received Signal Level

RSL

Requirements Specification Language

RSM

Remote Service Module

RSM

Remote Switching Module

RSP

Rate Stability Plan

RSS

Regional Surveillance System

RSS

Regional Surveillance System

RSS

Regional Switch Surveillance

RSS

Remote Switching System

RSU

Remote Switching Unit

RSUS

Requested Suspension

RT

Register Transfer

RT

Remote Terminal

RT

Reperforator/Transmitter

RT

Routine Tasks

RTA

Remote Trunk Arrangement

RTA

Routing and Terminal Allocation

RTAC

Regional Technical Assistance Center

RTE

Return to Equity

RTI

Route Index

RTL

Register-Transistor Logic

RTM

Ready to Manufacture

RTM

Register Transfer Module

RTNR

Ring Tone No Reply

RTOC

Residence Telephone Order Center

RTO-IS

Ready To Order - In Service

RTR

Real Time Reliable

RTRS

Real Time Rating System

RTS

Reel Tracking System

RTS

Reliable Transfer Service

RTS

Remote Test System

RTS

Remote Testing System

RTS

Request to Send

RTS

Return to Service

RTSM

Revenue Treasury Systems Management

RTX

Request to Transmit

RVA

Recorded Voice Announcement

RVT

Revertive (signaling)

RWA

Remote Workstation Adaptor

RWC

Remote Workstation Controller

RWD

Release When Done

RXC

Receive Controller