Acronym
|
Description
|
|
S |
Source (lamp) |
|
S&E |
Service and Equipment |
|
S/D |
Signal-to-Distortion |
|
S/N |
Signal-to-noise ratio |
|
SAA |
Systems Application Architecture |
|
SABM |
Set Asynchronous Balanced Mode |
|
SABO |
Stand-Alone Billing Option |
|
SAC |
Serving Area Concept |
|
SAC |
Sight Administration Computer |
|
SAC |
Site
Access Computer |
|
SAC |
Site
Administrative Computer |
|
SAC System |
Status Alarm and Control System |
|
SAIN |
Sears
Advanced Intelligent Network |
|
SAM |
Screen Access Manager (Northern Telecom Inc.
Meridian DV-1 system) |
|
SAM |
Secure Access Multipoint |
|
SAM |
Sequential Access Method |
|
SAM |
Switch Access Module |
|
SAM |
Synchronous/Asynchronous Multiplexer |
|
SAMEM |
Stand-Alone Billing Memory |
|
SAP |
Symbolic Assembly Program |
|
SAPI |
Service Access Point Identifier |
|
SAR |
Segmentation and Reassembly Sublayer |
|
SAR |
Service
Activation Request |
|
SARM |
Set Asynchronous Response Mode |
|
SARTS |
Switched Access Remote Test System |
|
SAS |
Statistical Analysis System |
|
SAS |
Switched Access System (Northern Telecom Inc.
DMS-100) |
|
SAS |
System
Administration Service |
|
SAT |
System Access Terminal |
|
SATT |
Strowger Automatic Toll Ticketing |
|
SBA |
Small Business Administration |
|
SBAC |
Source Billing for Attendant Calls |
|
S-band |
1.55 GHz to 3.90 GHz (U.S.) |
|
SBFPCEA |
Small Business Federal Procurement Competition
Enhancement Act |
|
SBT |
Six-Bit Transcode (same as Binary Coded Decimal
(BCD)) |
|
SC |
Secondary
Channel |
|
SC |
Sectional Center |
|
SC1 |
Speed Calling - Short list |
|
SC2 |
Speed Calling - Long list |
|
SCA |
Selective Call Acceptance |
|
SCA |
Short Code Address |
|
SCA |
Special Customer Arrangement |
|
SCA |
Special
Customer Arrangement |
|
SCAN |
Switched Circuit Automatic Network |
|
SCANS |
Software Change Administration and Notification
System |
|
SCC |
Specialized Common Carrier |
|
SCC |
State Corporation Commission |
|
SCC |
Switching Control Center |
|
SCCOF |
Selective Customer Control of Facilities |
|
SCCP |
Signaling Connection Control Part (SS7) |
|
SCCS |
Switching Control Center System |
|
SCCS |
Switching
Control Center System |
|
SCD |
Source
Control Drawing |
|
SCE |
Service
Creation Environment |
|
SCF |
Selective Call Forwarding |
|
SCF |
Service Control Facility |
|
SCI |
Simulation Councils, Inc. |
|
SCM |
Subscriber Carrier Module |
|
SCM-100R |
Subscriber Carrier Module Rural |
|
SCM-100S |
Subscriber Carrier Module SLC-96 |
|
SCM-100U |
Subscriber Carrier Module Urban |
|
SCP |
Service Control Point |
|
SCPC |
Signal Channel Per Carrier |
|
SCPMS |
Service Control Point Management System |
|
SCPTA |
Service
Control Point Transfer Application |
|
SCR |
Screening |
|
SCR |
Selective Call Rejection |
|
SCR |
Silicon Controlled Rectifier |
|
SCS |
Society for Computer Simulation |
|
SCS |
System Control Subsystem |
|
SCSD |
Scan and Signal Distribute |
|
SCSI |
Small Computer System Interface |
|
SCSR |
Single Channel Signaling Rate |
|
SD |
Signal Distribution |
|
SD |
Signal Distributor (equipment or circuit) |
|
SD&D |
Specific Development and Design |
|
SDA |
Selective Distinctive Alert |
|
SDA |
Switch Database Administration |
|
SDDF |
Supplementary Digital Distributing Frame |
|
SDE |
Software
Development Environment |
|
SDFI |
Subscriber Digital Facility (ies) Interface |
|
SDI |
Selective Dissemination of Information |
|
SDIS |
Switched Digital Integrated Service |
|
SDLC |
Synchronous Data Link Control (or Controller) |
|
SDM |
Space Division Multiplexing |
|
SDN |
Software Defined Network |
|
SDN |
Software Defined Network |
|
SDN |
Subscriber Directory Number |
|
SDN |
Switched Digital Network |
|
SDP |
Service Delivery Point |
|
SDPO |
Sleeve Dial Pulse Originating |
|
SDR |
System
Development Requirements |
|
SDS |
Scientific Data Systems |
|
SDS |
Switched Data Service |
|
SDTA |
Subscriber
Data Transport Application |
|
SDTA |
Subscriber Database Transport Application |
|
SDU |
Synchronous Data Unit |
|
SE CLR |
Special Equipment Circuit Layout Record |
|
SEAC |
Standards Eastern Automatic Computer |
|
SEC |
Securities and Exchange Commission |
|
SEC |
Service and Equipment Code |
|
SEMS |
Switching Equipment Monitoring Subsystem |
|
SER |
Sales Expedite Request |
|
SES |
Service Evaluation System |
|
SES |
Severely Errored Seconds |
|
SEVAS |
Secure Voice Access System |
|
SF |
Single Frequency |
|
SF signaling |
Single-Frequency signaling |
|
SFDEV |
Store
File Device |
|
SFG |
Simulated Facility Group |
|
SFM |
Switch
Feature Manager |
|
SFTF |
System
Functional Task Force |
|
SG |
Service Group |
|
SH |
Start Hunt |
|
SHF |
Super High Frequency |
|
SHU |
Stop Hunt |
|
SI |
System Integrity |
|
SIAM |
Society for Industrial and Applied Mathematics |
|
SIC |
Service Initiation Charge |
|
SIC |
Standard Industrial Classification |
|
SICDR |
Speaker
Independent Continuous Digit Recognition (Voicecard) |
|
SID |
Society for Information Display |
|
SIDD |
Standard Interval Due Date |
|
SIG |
Special Interest Group |
|
SIGARCH |
Special Interest Group on Computer Architecture (of
ACM) |
|
SIGBDP |
Special Interest Group on Business Data Processing
(of ACM) |
|
SIGBIO |
Special Interest Group on Biomedical Computing (of
ACM) |
|
SIGCOSIM |
Special Interest Group on Computer Systems
Installation Management (of ACM) |
|
SIGCSE |
Special Interest Group on Computer Science
Education (of ACM) |
|
SIGI |
Signaling Irregularities |
|
SIGMICRO |
Special Interest Group on Microprogramming (of ACM) |
|
SIGOPS |
Special Interest Group on Operating Systems (of
ACM) |
|
SIGPLAN |
Special Interest Group on Programming Languages (of
ACM) |
|
SIGUCC |
Special Interest Group on University Computer
Centers (of ACM) |
|
SILC |
Selective Incoming Load Control |
|
SIM |
Service Implementation Management |
|
SIMD |
Single-Instruction Stream, Multiple-Data Stream |
|
SIO |
Serial Input/Output |
|
SIS |
Sales Implementation Specialist
|
|
SISD |
Single-Instruction Stream, Single-Data Stream |
|
SIT |
Special Information Tones |
|
SITA |
Societe Internationale Telecommunications
Aeronautiques |
|
SIU |
Shelf Interface Unit |
|
SJF |
Shortest Job First |
|
SKIP |
Skip Control |
|
SLA |
Service
Level Agreement |
|
SLAM |
Simulation Language for Alternative Modeling |
|
SLATTS |
Selected Line and Trunk Translations System |
|
SLC |
Speech
Link Connector |
|
SLC |
Speech Link Connector (frame) |
|
SLC |
Subscriber Line Carrier |
|
SLC |
Subscriber Line Charge |
|
SLE |
Screen List Editing |
|
SLIM |
Subscriber Loop Interface Module |
|
SLIP |
Serial Line Internet Protocol |
|
SLL |
Switched Logical Link |
|
SLR |
Simple LR (Left-to-Right, Rightmost) |
|
SLS |
Single-Line Sets |
|
SLS |
Switch
Load Software |
|
SLU |
Subscriber Line Usage |
|
SM |
Switching Module |
|
SMART |
Service
Management Analysis and Reporting Tool |
|
SMAS |
Switch Metallic Access System |
|
SMASE |
Systems Management Application Service Element |
|
SMB |
Server Message Block |
|
SMC |
Switch Management Center |
|
SMC |
System Management Center |
|
SMCIS |
System Management Center Information System |
|
SMDR |
Station Message Detail Recording |
|
SMDS |
Switched Multimegabit Data Service |
|
SME |
Subject Matter Expert |
|
SME |
Subject
Matter Expert (IS) |
|
SMF |
Systems Management Function |
|
SMFA |
System
Management Functional Area |
|
SMG |
Super Master Group |
|
SMIS |
Society for Management Information Systems |
|
SMN |
System Message Number |
|
SMO |
System Management Operations |
|
SMP |
Switching Module Processor |
|
SMP |
System Management Plan |
|
SMPTU |
Switching Module Processor and Time Slot
Interchange Unit |
|
SMPU |
Switching Module Processor Unit |
|
SMPU2 |
Switching Module Processor Unit - Model 2 |
|
SMRT |
Signal Message Rate Timing |
|
SMS |
Switch Maintenance Subsystem |
|
SMS 800 |
Service Management System/800 |
|
SMSA |
Standard Metropolitan Statistical Area |
|
SMTP |
Simple Mail Transport Protocol |
|
SMTP |
Simplified Message Transfer Protocol |
|
SN |
Service
Node |
|
SNA |
System Network Architecture |
|
SNA |
System
Network Architecture |
|
SNADS |
SNA Distribution Services |
|
SNAP |
Standard Network Access Protocol |
|
SNC |
Service
Node Controller |
|
SNI |
Subscriber Network Interface |
|
SNMP |
Simple Network Management Protocol |
|
SNOCC |
Satellite
Network Operations Control Center (NOCC) |
|
SNPA |
Serving
Number Plan Area |
|
SNR |
Signal to Noise Ratio |
|
SNS |
Switched Network Server |
|
SNS |
Switched
Network Server |
|
SO |
Service Order |
|
SO |
Serving Office |
|
SOACS |
Service Order Administration Control System |
|
SOAP |
Symbolic Optimizer and Assembly Program |
|
SOC |
Service Oversight Center |
|
SOE |
Service
Order Entry |
|
SOE |
Standard
Operating Environment |
|
SOEM |
Service
Order Entry Management |
|
SOH |
Start of Header (Bisync control character) |
|
SOLVER |
System
for On-line Verification of Errors |
|
SONET |
Synchronous Optical Network |
|
SONET |
Synchronous
Optical Network (NOCC) |
|
SOP |
Standard Operating Procedure |
|
SOR |
Successive Overrelaxation |
|
SORD |
Service
Ordering Retrieval and Distribution |
|
SOS |
Service Order Subsystem |
|
SOS |
Share Operating System |
|
SOS |
System
Operation Status |
|
SOST |
Special Operator Service Traffic |
|
SOST |
Special
Operator Service Traffic |
|
SOT |
Small
Office Terminal |
|
SOTS |
Service Order Tracking System |
|
SOW |
Statement of Work |
|
SP |
Signal (or Signaling) Processor |
|
SP |
Signal Point |
|
SP |
Spare |
|
SP |
Structured Programming |
|
SPA |
Systems and Procedures Association |
|
SPARC |
Scaleable
Processor Architecture |
|
SPARC |
Standard Planning and Requirements Committee |
|
SPB |
Special Billing Number |
|
SPC |
Single Point Connection |
|
SPC |
Southern
Pacific Communications |
|
SPC |
Statistical
Process Control |
|
SPC |
Stored Program Control(led) |
|
SPCD |
Statistical
Process Control Data (MFG) |
|
SPCS |
Stored Program Control System |
|
SPD |
Summary
Plan Description |
|
SPDF |
Supplemental
Personal Data Form (HR) |
|
SPE |
Switch Processing Element |
|
SPEF |
Special
Pricing Evaluation Form |
|
SPL |
Simple Programming Language |
|
SPLTS |
Special Private Line Telephone System |
|
SPM |
Switching and Processing Module |
|
SPOC |
Single Point of Contact |
|
SPOOL |
Simultaneous Peripheral Operations On Line |
|
SPP |
Semipostpay |
|
SPP |
Standard Practice Procedures |
|
SPR |
Software
Problem Report |
|
SPRB |
Special
Pricing Review Board |
|
SPSLT |
Spare Select |
|
SPSS |
Switched Packet Switched Services |
|
SQC |
System Quality Conformance |
|
SQD |
Signal Quality Detector |
|
SQL |
Structured Query Language |
|
SQL |
Structured
Query Language |
|
SQUID |
Superconducting Quantum Interference Device |
|
SR |
Service Representative |
|
SR |
Service
Request (IS,PM) |
|
S-R |
Set-Reset (Flip-Flop) |
|
SRAS |
Special Routing Access Service |
|
SRC |
Spiral Redundancy Checking |
|
SRL |
Singing Return Loss |
|
SRS |
Service
Request System |
|
SRS |
System
Requirements Specifications |
|
SRT |
Station Ringer Test |
|
SRTF |
Shortest Remaining Time First |
|
SRTU |
Serial
Remote Terminal Unit |
|
SRU |
Shared Resource Unit |
|
SRU |
Shared
Resource Unit |
|
SS |
Silver Spring central office |
|
SS |
Special
Services |
|
SS7 |
Signaling System No. 7 |
|
SS7MS |
Signaling
System #7 Management System |
|
SSA |
Social Security Administration |
|
SSB |
Single Sideband Modulation |
|
SSB-SC/AM |
Single Sideband, Suppressed Carrier Amplitude
Modulation |
|
SSC |
Special Services Center |
|
SSC |
System Control Center |
|
SSCC |
Special
Services Control Center |
|
SSCITS |
Switched Services Customer Initiated Testing System |
|
SSDP |
Secondary Service Delivery Point |
|
SSDS |
System Status Display Screen |
|
SSE |
System
Supervisor Equipment |
|
SSE |
Systems
Support Engineering |
|
SSEC |
Selective Sequence Electronic Calculator |
|
SSG |
Special
Service Group |
|
SSI |
Small-Scale Integration |
|
SSI |
Standard Serial Interface (AT&T) |
|
SSLPDF |
Single-Sided Low-Profile Distributing Frame |
|
SSP |
Scientific Subroutine Package (computers) |
|
SSP |
Service Switching Point (SS7 application) |
|
SSP |
Special Service Protection (telecommunications) |
|
SSPPP |
Special Services Provisioning Performance Plan |
|
SSR |
System and Signaling Requirements |
|
SSSE |
Switch
Support Systems Engineering |
|
SST |
Short Supervisory Transition |
|
SSU |
Shared Storage Unit |
|
SSU |
System
Supervisory Unit |
|
SSUPS |
Solid State Uninterruptible Power System |
|
ST |
Signaling Terminal |
|
STA |
Switch Translation Administration |
|
STAC |
Switch
Technical Assistance Center (NOCC) |
|
STAMP |
Structural
Time Series Analyzer, Modeler and Planner |
|
STAP |
System Test and Acceptance Plan |
|
STAR |
Self Testing and Repair (computer) |
|
STAS |
Switch
Technical Assistance Support (NOCC) |
|
STATDM |
Statistical Time Division Multiplexing |
|
STAT-MUX |
Statistical Multiplexer |
|
STC |
Serving Test Center |
|
STD |
Short
Term Disability (HR) |
|
STD |
Standard |
|
STD |
Subscriber Trunk Dialing (same as Direct Distance
Dialing) |
|
STDM |
Synchronous Time Division Multiplexing |
|
STDS |
System Status Display Screen |
|
STE |
Signaling Terminal Equipment |
|
STE |
Standard Telephone Equipment |
|
STLWS |
Supplementary Trunk and Line Work Station |
|
STP |
Shielded Twisted Pair |
|
STP |
Signal Transfer Point |
|
STR |
Selective Trunk Reservation |
|
STR |
Synchronous Transmit Receive |
|
STRESS |
Structural Engineering Systems Solver |
|
STRUDL |
Structural Design Language |
|
STS |
Sears
Technology Services |
|
STS |
Service
Translation Scheme |
|
STS |
Serving Translation Scheme |
|
STS |
Shared Tenant Services |
|
STS |
Source Traffic Separation (DMS-100) |
|
STS |
Structural
Time Series |
|
STU |
Secure Telephone Unit |
|
STX |
Start of Text (Bisync control character) |
|
SUS |
Suspended Service |
|
SVC |
Switched Virtual Circuit |
|
SVS |
Switched Voice Service |
|
SWAC |
Standards Western Automatic Computer |
|
SWAP |
Software
Application Procedure |
|
SWBD |
Switchboard |
|
SWC |
Serving Wire Center |
|
SWIFT |
Society for Worldwide Interbank Financial
Telecommunications |
|
SWR |
Standard Wave Ratio |
|
SX |
Simplex signaling |
|
SXS |
Step-by-Step (switch) |
|
SYNC (or SYN) |
bit or character used to synchronize a timeframe in
a time division multiplex (TDM) |
|
SYSGEN |
System Generation |
|
SYSMAN |
Systems Manager |