JED JED T440 User manual
JED T440 simple system block diagram #1:
projector/no-audio control configuration
Power amp.
+ speakers
Powered
speakers
VGA 1
(VGA 2)
Comp./S-Video
(Audio can bypass projector
and use just one channel,
with manual control. Then can
use a freeze/mute keyboard.)
Projector RS232/1 (or IR)
video + audio control
12 volt
plug pack
JED T440
12v
Blue: RS232
Black: VGA/Video
Red: Audio
Green: PIR/Screen
Screen
Up/Down
PIR
detector
OR
JED T440 plus 439 simple system block diagram #2:
projector/no-audio & USB EWB control configuration
OR
Power amp.
+ speakers
Powered
speakers
VGA 1
(VGA 2)
Comp./S-Video
(Audio can bypass projector
and use just one channel,
with manual control. Then can
use a freeze/mute keyboard.)
Projector RS232/1
video + audio control
12 volt
plug pack
JED T440
12v
Blue: RS232
Black: VGA/Video/USB
Red: Audio
Green: PIR/Screen
PIR
detector
439 USB switcher
USB
RS232/2 control
USB-A
USB-B
USB-A
439 USB switcher does
A-B or OFF switching via
RS232 from the second
serial port to select which
computer controls the EWB
A-B USB-in
JED T440 system block diagram #3:
with T441 audio control configuration
OR
Power amp.
+ speakers
Powered
speakers
VGA 1
(VGA 2)
Comp./S-Video
Projector RS232/1
(or IR) video control
JED T440
PIR
detector
Blue: RS232
Black: VGA/Video
Red: Audio
Green: PIR/Screen
RS232/2 T441
audio control
JED T441 audio mixer
(2 stereo or 2 mono
+ 1 stereo into mixer)
Audio
12 volt
plug pack
12v
JED T440 full system block diagram #4:
with T461 audio control configuration
OR
Power amp.
+ speakers
Powered
speakers
VGA 1
(VGA 2)
Comp./S-Video
Projector RS232/1
(or IR) video control
JED T440
PIR
detector
12v
Blue: RS232
Black: VGA/Video
Red: Audio
Green: PIR/Screen/
Easyswitch contacts
Screen
Up/Down
Easyswitch 240V power
control of system with ON
RS232/2 T461
audio control
JED T461 audio mixer
(
4 stereo inputs to mixer)
Audio T465 microphone
amplifier-mixer
(option in path)
+
Timer,
swipe
start
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