Specification Description
Default components in SX20
Quickset:
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SX20 Codec, Cisco TelePresence PrecisionHD Camera - (option of 1080p2.5,
1080p4xS2 or - 1080p12x)
Cisco TelePresence Table Microphone 20,
remote control, cables, and power supply
Optional components
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Cisco TelePresence Touch 8
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Wall mount kit
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Additional microphone
Bandwidth
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H.323 and SIP up to 6 Mbps
Minimum bandwidth for
resolution/frame rate
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720p30 from 768 kbps
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720p60 from 1152 kbps
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1080p30 from 1472 kbps
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1080p60 from 2560 kbps
Firewall Traversal
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Cisco TelePresence Expressway Technology
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H.460.18, H.460.19 firewall traversal
Video Standards
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H.263, H.263+, H.264
Video Features
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Native 16:9 widescreen
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Advanced screen layouts
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Intelligent video management
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Local auto-layout
Video Inputs
(Two Inputs)
One HDMI and One DVI-I (Analog and
Digital): Supported Formats:
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640x480
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720x480
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720x576
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800x600
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848x480
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1024x768
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rights reserved. This document is Cisco Public Information. Page 4 of 7
Specification Description
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1152x864
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1280x720
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1280x1024
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1280x768
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1280x800
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1280x960
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1360x768
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1366x768
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1400x1050
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1440x900
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1680x1050
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1920x1080
Extended Display Identification Data (EDID)
Video Outputs
(Two Outputs)
Two HDMI Outputs Supported Formats:
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1920 x 1080@60 fps (1080p60)
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1920 x 1080@50 fps (1080p50)
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1280 x 720@60 fps (720p60)
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1280 x 720@50 fps (720p50)
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1366 x 768@60 fps (WXGA)
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1360 x 768@60 fps(WXGA)
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1280 x 768@60 fps (WXGA)
VESA Monitor Power Management
EDID
Live Video Resolutions (Encode and
Decode):
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176 x 144@30, 60 fps (QCIF) (Decode only)
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352 x 288@30, 60 fps (CIF)
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512 x 288@30, 60 fps (w288p)
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576 x 448@30, 60 fps (448p)
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768 x 448@30, 60 fps (w448p)
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704 x 576@30, 60 fps (4CIF)
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1024 x 576@30, 60 fps (w576p)
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640 x 480@30, 60 fps (VGA)
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800 x 600@30, 60 fps (SVGA)
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1024 x 768@30, 60 fps (XGA)
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1280 x 768@30, 60 fps (WXGA)
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1280 x 720@30, 60 fps (HD720p)
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1920 x 1080@30, 60 fps (HD1080p)
Audio Standards
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G.711, G.722, G.722.1, 64 kbps AAC-LD
Audio Features
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CD-quality 20 KHz mono
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Two acoustic echo cancellers
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Automatic Gain Control (AGC)
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Automatic noise reduction
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Active lip synchronization
Audio Inputs
(Four Inputs)
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Two microphones, 4-pin minijack
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One minijack for line-in (stereo)
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One audio in from camera (HDMI)
Audio Outputs
(Two Outputs)
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One minijack for line out (stereo)
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One HDMI, (digital main audio)
Dual Stream
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H.239 (H.323) dual stream
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BFCP (SIP) dual stream
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Support resolutions up to 1080p (1920 x 1080)
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Specification Description
MultiPoint Support
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Four-way embedded SIP/H.323 MultiPoint reference MultiSite
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Cisco TelePresence Multiway support (requires Cisco TelePresence Video
Communication Server [Cisco
VCS] and Cisco TelePresence MCU)
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Ability to natively join multipoint conferences hosted on Cisco Telepresence
Multipoint Switch (CTMS)
MultiSite Features
(Embedded Multipoint)
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Adaptive SIP/H.323 MultiSite; resolution up to 576p30
◦ 3-way resolution up to 720p30
◦ 4-way resolution up to 576p30
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Full individual audio and video transcoding
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Individual layouts in multisite continuous presence
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H.323/SIP/VoIP in the same conference
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Support for Presentation (H.239/BFCP) from any participant at resolutions up to
1080p15/SXGA
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Best Impression (automatic continuous presence layouts)
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H.264, encryption and dual stream from any site
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IP Downspeeding
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Dial in and dial out
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Conference rates up to 6 Mbps
Protocols
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H.323
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SIP
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ISDN (requires Cisco TelePresence ISDN Link)
Embedded Encryption
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H.323 and SIP point-to-point
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Standards-based: H.235 v3 and Advanced Encryption Standard (AES)
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Automatic key generation and exchange
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Supported in dual stream
IP Network Features
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DNS lookup for service configuration
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Differentiated services (quality of service [QoS])
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IP-adaptive bandwidth management (including flow control)
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Automatic gatekeeper discovery
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Dynamic playout and lip-sync buffering
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H.245 Dual Tone Multi-frequency (DTMF) tones in H.323
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Date and time support using Network Time Protocol (NTP)
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Packet loss-based down speeding
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Uniform resource identifier (URI) dialing
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TCP/IP
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DHCP
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802.1x network authentication
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802.1Q Virtual LAN
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802.1p (QoS and class of service [QoS])
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ClearPath
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Medianet: Mediatrace and Metadata
Cisco Unified
Communications Manager
(Requires Cisco Unified
Communications Manager
Version 8.6 or Later)
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Native registration with Cisco Unified Communications Manager
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Basic Cisco Unified Communications Manager provisioning
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Software upgrade from Cisco Unified Communications Manager
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Cisco Discovery Protocol and DHCP option 150 support
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Basic telephony features such as hold/resume/transfer and Corporate Directory
lookup
IPv6 Network Support
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Single call stack support for both H323 and SIP
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Dual-stack IPv4 and IPv6 for DHCP, SSH, HTTP, HTTPS, DNS, DiffServ
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Support for both Static and Automatic IP configuration (stateless address auto
configuration)
Security Features
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Management using HTTPS and SSH
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IP administration password
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Menu administration password
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Disable IP services
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Network settings protection
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Specification Description
Network Interfaces
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One LAN and Ethernet (RJ-45) 10/100/1000 Mbit
Other Interfaces
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Two USB ports for future usage
System management
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Support for the Cisco TelePresence Management Suite
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Total management using embedded SNMP, Telnet, SSH, XML, SOAP
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Remote software upload: using web server, secure copy (SCP), HTTP, HTTPS
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Cisco TelePresence Touch (optional)
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Remote control and on-screen menu system
Directory Services
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Support for local directories (My Contacts)
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Corporate directory
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Unlimited entries using server directory supporting LDAP and H.350 (requires
Cisco TelePresence
Management Suite)
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Unlimited number for corporate directory (through Cisco TelePresence Management
Suite)
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Received calls with date and time
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Placed calls with date and time
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Missed calls with date and time
Power
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Auto-sensing power supply
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100 - 240 VAC, 50/60 Hz
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Maximum 40 watts for codec and main camera
Operating Temperature and
Humidity
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0¢XC to 40¢XC
(32¢XF to
104¢XF)
ambient temperature
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10% to 90% Relative Humidity (RH)
Storage and Transport
Temperature
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-20¢XC to
60¢XC (-4¢XF
to 140¢XF)
at RH 10% - 90% (non -condensing)
SX20 Codec Dimensions
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Width: 11.8 inches (30.0 cm)
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Height: 1.4 inches (3.4 cm)
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Depth: 7.1 inches (18.0 cm)
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Weight: 3.1 pounds (1.4 kg)
Camera Overview Part Number
2.5x optical zoom (5x with digital*
) 4x optical zoom (8x with digital*
) 12x optical zoom
Motorized +5¢X/-25¢Xtilt, +/- 30¢Xpan
Motorized +15¢X/-25¢Xtilt, +/- 90¢Xpan Motorized +15¢X/-25¢Xtilt, +/- 90¢Xpan
51.5¢Xvertical field of view
43.5¢Xvertical field of view 43.5¢Xvertical field of view
83¢Xhorizontal field of view
70¢Xhorizontal field of view 72¢Xhorizontal field of view
F 2.0 F 1.7 F 1.7
1920 x 1080 pixels progressive @ 60 fps
Automatic or manual focus, brightness,
and white balance
Far-end camera control
Dual HDMI/Camera Control and USB output
Dual HDMI/Camera control HDMI, HD-SDI output, and daisy chain
Upside-down mounting, picture flips
automatically
Upside-down mounting, manual picture
flip. Upside-down mounting, picture flips
automatically
Focus distance 0.3 m - infinity
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