Glossary

Term	Main definition
S-CDMA	Synchronous Code Division Multiplex Access Hits - 828
S-Video	Separate Video - video interface carrying separate, synchronised signals for luminance (Y) and chrominance (C) information Hits - 822
S/I	Signal to Interference Hits - 821
S/N	Signal to Noise Ratio Hits - 894
S/PDIF	Sony/Philips Digital Interconnect Format Hits - 820
SA	Spatial Activity Hits - 894
SACD	Super Audio Compact Disc Hits - 831
SAM	Super-rate Adapter Module Hits - 875
SAP	Second Audio Program / Service Access Point Hits - 884
SAR	Segmentation And Reassembly Hits - 833
SAW	Surface Acoustic Wave Filter Hits - 802
SB	Signal Battery Hits - 887
SBCA	Satellite Broadcasting and Communications Association Hits - 823
SBS	Satellite Business Systems Hits - 831
SC-FDMA	Single Carrier Frequency Division Multiple Access Hits - 905
SCAI	Switch to Computer Applications Interface Hits - 874
SCART	Syndicat des Constructeurs d'Appareils Radior Hits - 844
SCC	System Control Computer Hits - 817
SCC3	System Control Card 3 Hits - 868
SCD	Specification Control Document, Single Channel Decoder Hits - 831
SCE	Service Creation Environment Hits - 900
SCI	Scalable Coherent Interface Hits - 836
SCM	Single Carrier Modulation Hits - 844
SCN	Serial Control Network Hits - 895
SCO	Synchronous Connection Oriented Hits - 862
SCP	Service Control Point Hits - 847
SCPC	Single Channel Per Carrier Hits - 796
SCR	System Clock Reference / Silicon Controlled Rectifier Hits - 895
SCSI	Small Computer System Interface Hits - 810
SCT	Single Carrier Transcoder, Severe Congestion Threshold Hits - 806
SCTE	Society of Cable Telecommunication Engineers Hits - 887
SDA	Synchronous Data Adapter Hits - 856
SDB	Serial Distribution Bus Hits - 825
SDDS	Sony Dynamic Digital Sound Hits - 823
SDH	Synchronous Digital Hierarchy Hits - 1001
SDI	Synchronous Data Interface Hits - 816
SDLC	Synchronous Data Link Control Hits - 860
SDP	Synchronous Data Processor Hits - 839
SDR	Satellite Digital Radio Hits - 821
SDS 56	Switched Data Services (56kbps) Hits - 844
SDSL	Single-line Digital Subscriber Line Hits - 863
SDT	Service Description Table (multiplex) (part of SI) Hits - 763
SDU	Service Data Unit Hits - 858
SDV	Switched Digital Video Hits - 798
SECAM	Sequential Colour with Memory Hits - 851
SF	Superframe Format Hits - 851
SFN	Signal Frequency Network Hits - 829
SFTP	Shielded Foil Twisted Pair Hits - 800
SGDF	Super-Group Distribution Frame Hits - 827
SHDL	Symmetrical High Speed Digital Subscriber Line Hits - 831
SHL	Studio to Headend Link Hits - 797
SHN	Self Healing Network Hits - 755
SI	System Information; Service Information; Step Index Hits - 749
SIMD	Single Instruction Multiple Data Hits - 655
SIMO	Single Input - Multiple Output Hits - 727
SIR	Sustained Information Rate Hits - 673
SISO	Single Input - Single Output Hits - 740
SLC	Subscriber Line Carrier Hits - 776
SLIC	Subscriber Line Interface Circuit Hits - 731
SLIP	Serial Line Internet Protocol Hits - 756
SLM	Signal Level Meter Hits - 723
SLS	Single Line Service Hits - 768
SM	Single Mode Hits - 768
SMATV	Satellite Master Antenna Television System Hits - 813
SMD	Surface Mount Device Hits - 795
SMDR	Station Message Detail Recording Hits - 829
SMDS	Switched Multimegabit Data Service Hits - 666
SMF	Single Mode Fibre Hits - 734
SML	Service Management Layer Hits - 771
SMPS	Switching Mode Power Supply Hits - 776
SMPTE	Society of Motion Picture and Television Engineers Hits - 924
SMR	Signal to Mask Ratio; Specialized Mobile Radio Hits - 688
SMS	Subscriber Management System Hits - 848
SMSR	Side Mode Suppression Ratio Hits - 748
SMT	Surface Mount Technology Hits - 764
SMTP	Simple Mail Transfer Protocol Hits - 769
SNA	Systems Network Architecture Hits - 774
SNAIP	Simple Network Management Protocol Hits - 786
SNG	Satellite News Gathering Hits - 802
SNMP	Simple Network Management Protocol Hits - 714
SNOC	Satellite Network Operations Center Hits - 798
SNR	Signal to Noise Ratio Hits - 746
SO	Small Outline (IC Package) Hits - 758
SOJ	Small Outline (J-lead) Hits - 773
SONET	Synchronous Optical Network Hits - 703
SOP	Small Outline Package; Standard Operating Procedure Hits - 771
SOT	Small Outline Transistor Hits - 698
SPAN	Service and Protocols for Advanced Network Hits - 656
SPB	Serial Packet Bus Hits - 769
SPC	Statistical Process Control, Super Physical Contact; Stored Program Control Hits - 688
SPE	Synchronous Payload Envelope Hits - 802
SPECTRE	Special Purpose Extra Resolution for Terrestrial Enhancements Hits - 719
SPM	Self-Phase Modulation Hits - 714
sps	symbols per second Hits - 748
SPST	Single Pole - Single Throw (switch ) Hits - 721
SQL	Structured Query Language Hits - 732
SRL	Subrate Data Link; Structural Return Loss Hits - 728
SRM	Subrate Multiplexer Hits - 717
SRS	Subrate Switch Hits - 1264
SS	Spread Spectrum; Signaling System Hits - 735