
Content Transmission
Bandwidth Configuration Options
(set via Admin Web page)
•Default Average Transmit &
Receive Bandwidth: 1,920
kbps
•Maximum Average Transmit
Bandwidth Setting Range:
128 kbps - 1,920 kbps*
•Maximum Average Receive
Bandwidth Setting Range:
128 kbps - 1,920 kbps
Maximum Bandwidth Requested in
Unlimited Bandwidth Environment
•H.323 link to other QSX
appliances or Polycom video
systems: Up to 1 Mbps
•HTTP link to each Web viewer
up to 1 Mbps
Other Bandwidth Configuration
Options (set via Admin Web page)
•Bandwidth Sharing Mode for
simultaneous transmission to
each remote connection
•Time Sharing Mode for
sequential transmission to
each remote connection
•Load Balancing to distribute
Web Viewers among multiple
QSX units in a Session.
Video & Graphics Standards
•H.263
•H.239
•JPEG for Web viewer
IP Protocols
•TCP/IP
•ITU H.323
•http
Frame Rates
•TCP/IP
•ITU H.323
•http
Network Interfaces Supported
•IP (LAN, DSL, cable
modem)**
•Single 10/100 Ethernet port
(10 Mbps/100Mbps/Auto)
Network Features
•Error Concealment
•TCP/IP, DNS, WINS, DHCP,
ICMP, ARP, http, FTP, Telnet
Multipoint Capabilities
Internal Multipoint Features
•Up to 10 Web viewers using
embedded web server
•Up to four additional
connections to other QSX or
VSX™ units with embedded
H.323 MCU
Automatic Connect Feature for
QSX to QSX meetings
•Requires wired analog
Polycom conference phone
connected to QSX
•Embedded low bit rate
(100bps) inaudible modem
over phone line automatically
exchanges QSX IP addresses
and initiate H.323 content
sharing channel between
QSX rooms on phone call
•Works to connect up to five
QSX systems in single
meeting. Compatible with any
audio conferencing service or
bridge
Interoperability with Polycom Video
conferencing products
•VSX dial-in support to share
content between QSX and
video system(s) over H.323
call
Interoperability with Polycom
MGC™
•Use H.323 dial out capabilities
of MGC to enable larger
multipoint QSX to QSX
meetings***
•Compatible with scheduled
dial out conferences for MGC
7.5.0.52 release and beyond
System Security
Security
•Secure password
authentication for each
session
•Password for Web viewer
access
•Administrator password to
control access to Admin Web
page
•Ability to disable remote
interfaces (FTP, Telnet, http)
Password Security
•Random password generation
by holding Info button on QSX
Content Controller for 4
seconds
•Alternative when conference
phone connected: random
password generation when
conference phone goes off/on
hook
•Auto password reset after 60
minutes elapsed time without
any active QSX use
•Admin option to set fixed
session password
Media Encryption
•Advanced Encryption
Standard (AES) for H.323
content stream
•128-bit key length
Resolution
Content Resolution
•Input: SXGA (1280 x 1024),
XGA (1024 x 768), SVGA
(800 x 600), VGA (640 x 480)
•Output: SXGA (1280 x 1024),
XGA (1024 x 768), SVGA
(800 x 600)
•User configuration to scale
transmitted content down
across range of resolutions to
optimize performance. XGA
(1024 x 768), SVGA (800 x
600), VGA (640X480)
•Capability to independently
scale Web viewer (http)
content or H.323 content
stream
Physical Dimensions and
Interfaces on QSX Base Unit
Dimensions
•Maximum dimensions: 8.6” (L)
x 7.6” (W) x 1.8” (H) / 19.3cm
x 21.8cm x 4.6cm
Polycom
QSX™
Technical Specifications