Glossary

Term	Main definition
S-CDMA	Synchronous Code Division Multiplex Access Hits - 853
S-Video	Separate Video - video interface carrying separate, synchronised signals for luminance (Y) and chrominance (C) information Hits - 847
S/I	Signal to Interference Hits - 845
S/N	Signal to Noise Ratio Hits - 917
S/PDIF	Sony/Philips Digital Interconnect Format Hits - 845
SA	Spatial Activity Hits - 916
SACD	Super Audio Compact Disc Hits - 857
SAM	Super-rate Adapter Module Hits - 901
SAP	Second Audio Program / Service Access Point Hits - 907
SAR	Segmentation And Reassembly Hits - 857
SAW	Surface Acoustic Wave Filter Hits - 829
SB	Signal Battery Hits - 910
SBCA	Satellite Broadcasting and Communications Association Hits - 848
SBS	Satellite Business Systems Hits - 851
SC-FDMA	Single Carrier Frequency Division Multiple Access Hits - 930
SCAI	Switch to Computer Applications Interface Hits - 896
SCART	Syndicat des Constructeurs d'Appareils Radior Hits - 868
SCC	System Control Computer Hits - 840
SCC3	System Control Card 3 Hits - 891
SCD	Specification Control Document, Single Channel Decoder Hits - 853
SCE	Service Creation Environment Hits - 919
SCI	Scalable Coherent Interface Hits - 856
SCM	Single Carrier Modulation Hits - 868
SCN	Serial Control Network Hits - 918
SCO	Synchronous Connection Oriented Hits - 883
SCP	Service Control Point Hits - 869
SCPC	Single Channel Per Carrier Hits - 817
SCR	System Clock Reference / Silicon Controlled Rectifier Hits - 919
SCSI	Small Computer System Interface Hits - 834
SCT	Single Carrier Transcoder, Severe Congestion Threshold Hits - 831
SCTE	Society of Cable Telecommunication Engineers Hits - 912
SDA	Synchronous Data Adapter Hits - 879
SDB	Serial Distribution Bus Hits - 846
SDDS	Sony Dynamic Digital Sound Hits - 844
SDH	Synchronous Digital Hierarchy Hits - 1024
SDI	Synchronous Data Interface Hits - 837
SDLC	Synchronous Data Link Control Hits - 882
SDP	Synchronous Data Processor Hits - 861
SDR	Satellite Digital Radio Hits - 841
SDS 56	Switched Data Services (56kbps) Hits - 868
SDSL	Single-line Digital Subscriber Line Hits - 884
SDT	Service Description Table (multiplex) (part of SI) Hits - 783
SDU	Service Data Unit Hits - 881
SDV	Switched Digital Video Hits - 823
SECAM	Sequential Colour with Memory Hits - 872
SF	Superframe Format Hits - 872
SFN	Signal Frequency Network Hits - 852
SFTP	Shielded Foil Twisted Pair Hits - 822
SGDF	Super-Group Distribution Frame Hits - 852
SHDL	Symmetrical High Speed Digital Subscriber Line Hits - 856
SHL	Studio to Headend Link Hits - 818
SHN	Self Healing Network Hits - 774
SI	System Information; Service Information; Step Index Hits - 771
SIMD	Single Instruction Multiple Data Hits - 677
SIMO	Single Input - Multiple Output Hits - 751
SIR	Sustained Information Rate Hits - 690
SISO	Single Input - Single Output Hits - 760
SLC	Subscriber Line Carrier Hits - 796
SLIC	Subscriber Line Interface Circuit Hits - 752
SLIP	Serial Line Internet Protocol Hits - 774
SLM	Signal Level Meter Hits - 743
SLS	Single Line Service Hits - 785
SM	Single Mode Hits - 785
SMATV	Satellite Master Antenna Television System Hits - 832
SMD	Surface Mount Device Hits - 817
SMDR	Station Message Detail Recording Hits - 850
SMDS	Switched Multimegabit Data Service Hits - 686
SMF	Single Mode Fibre Hits - 752
SML	Service Management Layer Hits - 789
SMPS	Switching Mode Power Supply Hits - 795
SMPTE	Society of Motion Picture and Television Engineers Hits - 950
SMR	Signal to Mask Ratio; Specialized Mobile Radio Hits - 705
SMS	Subscriber Management System Hits - 865
SMSR	Side Mode Suppression Ratio Hits - 765
SMT	Surface Mount Technology Hits - 784
SMTP	Simple Mail Transfer Protocol Hits - 788
SNA	Systems Network Architecture Hits - 792
SNAIP	Simple Network Management Protocol Hits - 807
SNG	Satellite News Gathering Hits - 822
SNMP	Simple Network Management Protocol Hits - 732
SNOC	Satellite Network Operations Center Hits - 817
SNR	Signal to Noise Ratio Hits - 764
SO	Small Outline (IC Package) Hits - 775
SOJ	Small Outline (J-lead) Hits - 790
SONET	Synchronous Optical Network Hits - 723
SOP	Small Outline Package; Standard Operating Procedure Hits - 790
SOT	Small Outline Transistor Hits - 717
SPAN	Service and Protocols for Advanced Network Hits - 675
SPB	Serial Packet Bus Hits - 787
SPC	Statistical Process Control, Super Physical Contact; Stored Program Control Hits - 709
SPE	Synchronous Payload Envelope Hits - 823
SPECTRE	Special Purpose Extra Resolution for Terrestrial Enhancements Hits - 738
SPM	Self-Phase Modulation Hits - 730
sps	symbols per second Hits - 770
SPST	Single Pole - Single Throw (switch ) Hits - 740
SQL	Structured Query Language Hits - 749
SRL	Subrate Data Link; Structural Return Loss Hits - 747
SRM	Subrate Multiplexer Hits - 735
SRS	Subrate Switch Hits - 1281
SS	Spread Spectrum; Signaling System Hits - 751