Glossary

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S

S/I
Signal-to-Interference Ratio

SAM
Service Access Multiplexer

SAR
Segmentation and Reassembly

SAW
Surface Acoustic Wave

SBC
Session Border Controller

SBS
Stimulated Brillouin Scattering

SCC
Specialized Common Carrier

SCCH
Signaling Common Channel

SCCP
Signaling Connection Control Part

SCH
Synchronization Channel

SCSI
Small Computer System Interface

SCTE
Society of Cable Telecommunications Engineers

SDCCH
Slow Dedicated Control Channel

SDH
Synchronous Digital Hierarchy

SDLC
Synchronous Data Link Control

SDN
Software Defined Network

SDP
Session Definition/Description Protocol

SDSL
Symmetric Digital Subscriber Line

SDTV
Standard Definition Television

SDU
Service Data Unit

SECAM
Sequential Couleur avec Memoire

SEFT
Severely Errored Framing Second

SF
Super Frame

SFI-n
SerDes Framer Interface Level-n

SGCP
Simple Gateway Control Protocol

SGML
Standard Generalized Markup Language

SHDSL
See G.SHDSL

SHF
Super High Frequency

SI
International System of Units

SIM Card
Subscriber Identity Module Card

SIMPLE
SIP for Instant Messaging and Presence Leveraging Extensions

SIN
SIP/IN Internetworking

SIP
Session Initiation Protocol

SIP BCP-T
SIP Best Common Practice for Telephony

SIP+
Session Initiated Protocol+

SIP-T
Session Initiation Protocol for Telephony

SLA
Service-Level Agreement

SLAC
Subscriber Line Access Controller

SLC
Subscriber-Loop Carrier

SLED
Surface-Emitting LED

SLEE
Service Logic Execution Environment

SLIC
Subscriber Line Interface Controller

SLIP
Serial Line Internet Protocol

SM
Singlemode (Fiber)

SMDS
Switched Multi-megabit Data Service

SMF
Singlemode Fiber

SMFCB
Subcarrier Modulated Fiber-Coax Bus

SMII
Serial MII

SMON
Switch Monitor

SMP
Symmetric Multiprocessing

SMPTE
Society of Motion Picture and Television Engineers

SMTP
Simple Mail Transfer Protocol

SNA
System Network Architecture

SNMP
Simple Network Management Protocol

SNR
Signal-to-Noise Ratio

SO
Switching Office

SOA
Semiconductor Optical Amplifier

SOAP
Simple Object Access Protocol

SOH
Start of Header

SOHO
Small Office/Home Office

SONET
Synchronous Optical Network

SPARC
Sealable Processor Architecture

SPM
Self-Phase Modulation

SQA
Software Quality Assurance

SQL
Structured Query Language

SRAM
Static RAM

SRS
Stimulated Raman Scattering

SSCOP
Service Specific Connection Oriented Protocol

SSID
Service Set Identifier

SSP
Service Switching Point

Statmux
Statistical Multiplexing

STB
Set-Top Box

STM-1
155 Mbits/sec

STM-16
2.5 Gbits/sec

STM-256
40 Gbits/sec

STM-4
622 Mbits/sec

STM-64
10 Gbits/sec

STM-n
Synchronous Transfer Mode-n (SDH)

STP
Shielded Twisted Pair

STS
Serving Translation Scheme

STS
Shared Tenant Service

STS
Synchronous Translations Scheme

STS-1
52 Mbits/sec

STS-12
622 Mbits/sec

STS-12c
599.04 Mbits/sec

STS-18
933 Mbits/sec

STS-192
10 Gbits/sec

STS-24
1.2 Gbits/sec

STS-3
156 Mbits/sec

STS-36
1.87 Gbits/sec

STS-3c
150.336 Mbits/sec

STS-48
2.5 Gbits/sec

STS-9
467 Mbits/sec

STS-n
Synchronous Transport Signal-n (SDH)

STS-nc
Synchronous Transport Signal-n Concatenated

SVC
Switched Virtual Circuit

SyncML
Synchronous Markup Language


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