Dell 4220 User Manual page 110

Wireless Dongle
Lamp
110 Specifications
Composite Video input: One Yellow RCA jack for
CVBS signal.
HDMI input: One HDMI connector for supporting
HDMI 1.3. HDCP compliant.
Analog Audio input: Two 3.5 mm stereo mini phone
jack (Blue) and one pair of RCA connector
(Red/White).
Variable audio output: One 3.5 mm stereo mini
phone jack (Green).
USB (type A) port: One USB connector for
Photo/PtG viewer (JPG/PPT format).
USB (type B) port: One mini USB slave for remote
support and One USB connector for supporting
USB Display.
RS232 port: One mini-DIN 6-pin for RS232
communication.
RJ45 port: One RJ45 connector for control of
projector through network and LAN Display.
12 V output: One 12 V DC / 200 mA max. relay
output for driving automatic screen.
Wireless Standard: IEEE802.11b/g/n
Wireless: One WiFi USB (type A) connector for
supporting wireless dongle (USB interface,
Optional).
OS environment: Windows 7/Vista/XP/2000, MAC
OS X
Support: Presentation slides and projector control.
Allow connection up to 30 users at the same time.
4-to-1 split screen. Allow four presentation slides to
be projected on screen.
Conference Control mode.
Supports Audio Projection (need to install extra
driver)
Philips 300 W user-replaceable lamp (up to 2500
hours in eco mode)
http://www.pureglare.com.au