D14908.02 SX20 Administrator Guide TC6.0, JANUARY 2013. www.cisco.com — Copyright © 2012-2013 Cisco Systems, Inc. All rights reserved.
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Cisco TelePresence SX20 Quick Set Administrator Guide
Technical specification for SX20 Quick Set
PRODUCT COMPATIBILITY
Fully compatible with standards-compliant
telepresence and video systems
SOFTWARE COMPATIBILITY
Cisco TelePresence Software Version TC5.1 or later
COMPONENTS
Set delivered complete with:
• SX20 Codec
• Cisco TelePresence PrecisionHD 1080p 4xS2 or
PrecisionHD 1080p 12x camera
• Cisco TelePresence Table Microphone20
• Remote control
• Cables
• Power supply
BANDWIDTH
H.323 and SIP up to 6 Mbps point-to-point
FIREWALL TRAVERSAL
• Cisco TelePresence Expressway technology
• H.460.18 and H.460.19 firewall traversal
VIDEO STANDARDS
• H.263
• H.263+
• H.264
VIDEO FEATURES
• Native 16:9 widescreen
• Advanced screen layouts
• Intelligent video management
• Local auto-layout
VIDEO INPUTS TWO INPUTS
One HDMI and one DVI-I (analog and digital) input.
Support formats up to maximum
1920 × 1080@60fps (HD1080p60), including:
• 640 × 480
• 720 × 480
• 720 × 576
• 800 × 600
• 848 × 480
• 1024 × 768
• 1152 × 864
• 1280 × 720
• 1280 × 768
• 1280 × 800
• 1280 × 960
• 1280 × 1024
• 1360 × 768
• 1366 × 768
• 1400 × 1050
• 1440 × 900
• 1680 × 1050
• 1920 × 1080
Extended Display Identification Data (EDID)
VIDEO OUTPUTS TWO OUTPUTS
Two HDMI outputs.
Supports formats up to maximum
1920 × 1080@60fps (1080p60), including:
• 1280 × 720 (720p)
• 1280 × 768 (WXGA)
• 1360 × 768 (WXGA)
• 1366 × 768 (WXGA)
• 1920 × 1080 (1080p)
VESA Monitor Power Management
Extended Display Identification Data (EDID)
Supports encode/decode video formats up to
maximum 1920 × 1080@60fps (HD1080p60),
including:
• 176 × 144 (QCIF) (decode only)
• 352 × 288 (CIF)
• 512 × 288 (w288p)
• 576 × 448 (448p)
• 640 × 480 (VGA)
• 704 × 576 (4CIF)
• 768 × 448 (w448p)
• 800 × 600 (SVGA)
• 1024 × 576 (w576p)
• 1024 × 768 (XGA)
• 1280 × 720 (HD720p)
• 1280 × 768 (WXGA)
• 1920 × 1080 (HD1080p)
• 720p30 from 768 kbps
• 720p60 from 1152 kbps
• 1080p30 from 1472 kpbs
• 1080p60 from 2560 kbps
AUDIO STANDARDS
• G .711
• G.722
• G .722.1
• 64 kbps and 128 kbps MPEG-4 AAC-LD
AUDIO FEATURES
• CD-quality 20 kHz stereo (line-in)
• Two acoustic echo cancellers
• Automatic gain control (AGC)
• Automatic noise reduction
• Active lip synchronization
AUDIO 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 1080p15 (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/SXGA
• Best Impression (automatic continuous presence
layouts)
• H.264, encryption and dual stream from any site
• IP downspeeding
• Dial in and dial out
• Additional telephone call (no license required)
• Conference rates up to 6 Mbps
PROTOCOLS
• H.323
• SIP
IP 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
• Dynamic Host Configuration Protocol (DHCP)
• IEEE 802.1x network authentication
• IEEE 802.1q VLAN
• IEEE 802.1p QoS and class of service
• ClearPath
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