Cisco Systems Technical specification for SX20 Quick Set, •SIP, •H.263, •H.264, •640 ⋅, •720 ⋅, •720 ⋅, •800 ⋅, •848 ⋅, •G.711, •G.722, •H.323, •Cables, •H.263+, •1024 ⋅

Cisco TelePresence SX20 Quick Set

Administrator guide

Table of contents Introduction Web interface Advanced settings Appendices

Technical specification for SX20 Quick Set

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Product compatibility

Fully compatible with standards-compliant telepresence and video systems

Software compatibilityCisco TelePresence Software Version TC5.1 or laterComponentsSet delivered complete with:•SX20 Codec•PrecisionHD 1080p 4xS2 or PrecisionHD 1080p 12x camera•Cisco TelePresence Table Microphone 20•Remote control•Cables•Power supplyBandwidthH.323 and SIP up to 6 Mbps point-to-pointFirewall traversal•Cisco TelePresence Expressway technology•H.460.18 and H.460.19 firewall traversalVideo standards•H.263•H.263+•H.264Video features•Native 16:9 widescreen•Advanced screen layouts•Intelligent video management•Local auto-layoutVideo inputs (two inputs)One HDMI and one DVI-I (analog and digital) input; supported formats:•640 ⋅ 480•720 ⋅ 480

•720 ⋅ 576

•800 ⋅ 600•848 ⋅ 480•1024 ⋅ 768•1152 ⋅ 864

•1280 ⋅ 720

•1280 ⋅ 1024

•1280 ⋅ 768

•1280 ⋅ 800

•1280 ⋅ 960

•1360 ⋅ 768•1366 ⋅ 768•1400 ⋅ 1050•1440 ⋅ 900•1680 ⋅ 1050•1920 ⋅ 1080Extended Display Identification Data (EDID)Video outputs (two outputs)Two HDMI outputs; supported formats:•1920 ⋅ 1080@60fps (1080p60)•1920 ⋅ 1080@50fps (1080p50)•1280 ⋅ 720@60fps (720p60)•1280 ⋅ 720@50fps (720p50)•1366 ⋅ 768@60fps (WXGA)•1360 ⋅ 768@60fps (WXGA)•1280 ⋅ 768@60fps (WXGA)

VESA Monitor Power Management Extended Display Identification Data (EDID) Live video resolutions (encode/decode):

•176 ⋅ 144@30, 60fps (QCIF) (decode only)•352 ⋅ 288@30, 60fps (CIF)•512 ⋅ 288@30, 60fps (w288p)•576 ⋅ 448@30, 60fps (448p)•768 ⋅ 448@30, 60fps (w448p)•704 ⋅ 576@30, 60fps (4CIF)•1024 ⋅ 576@30, 60fps (w576p)•640 ⋅ 480@30, 60fps (VGA)•800 ⋅ 600@30, 60fps (SVGA)•1024 ⋅ 768@30, 60fps (XGA)•1280 ⋅ 768@30, 60fps (WXGA)•1280 ⋅ 720@30, 60fps (HD720p)•1920 ⋅ 1080@30, 60fps (HD1080p)

Audio standards•G.711•G.722•G.722.1•64 kbps MPEG-4 AAC-LDAudio features•CD-quality 20 kHz mono•Two acoustic echo cancellers•Automatic gain control (AGC)•Automatic noise reduction•Active lip synchronizationAudio inputs (four inputs)•Two microphones, 4-pin minijack•One minijack for line in (stereo)•One audio in from camera (HDMI)Audio outputs (two outputs)•One minijack for line out (stereo)•One HDMI (digital main audio)Dual stream•H.239 (H.323) dual stream•BFCP (SIP) dual stream•Support for resolutions up to 1080p (1920 ⋅ 1080)Multipoint support•Four-way embedded SIP/H.323 MultiPoint, ref. MultiSite

•Cisco TelePresence Multiway support (requires Cisco TelePresence Video Communication Server [Cisco VCS] and Cisco TelePresence MCU)

•Ability to natively join multipoint conferences hosted on Cisco Telepresence Multipoint Switch (CTMS)

MultiSite features (embedded multipoint switch)•Four-way SIP/H.323 MultiSite; resolution up to 576p30•Full individual audio and video transcoding

•Individual layouts in multisite continuous presence (takes out selfview)

•H.323/SIP/VoIP in the same conference

•Support for Presentation (H.239/BFCP) from any participant at resolutions up to 1080p15

•Best Impression (automatic continuous presence layouts)•H.264, encryption, dual stream from any site•IP Downspeeding•Dial in and dial out•Additional telephone call (no license required)•Conference rates up to 6 MbpsProtocols•H.323•SIPEmbedded encryption•H.323 and SIP point-to-point•Standards-based: H.235 v3 and Advanced Encryption Standard (AES)•Automatic key generation and exchange•Support in dual streamIP network features•Domain Name System (DNS) lookup for service configuration•Differentiated services (quality of service (QoS))

•IP adaptive bandwidth management (including flow control)

•Auto gatekeeper discovery•Dynamic playout and lip-sync buffering•H.245 dual-tone multifrequency (DTMF) tones in H.323•Date and time support using the Network Time Protocol (NTP)•Packet loss based downspeeding•Uniform resource identifier (URI) dialing•TCP/IP

D14908.01 SX20 Administrator Guide (TC5.1) 2012 FEBRUARY © 2012 Cisco Systems, Inc. All rights reserved. www.cisco.com