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Dual I/O Module
Function
The function of the Dual I/O module is to provide video conversion, final dimming of the video signal, and to send EDID
information to the Mac computer. The module also handles DMX512, sACN, and Art-Net input for the computer.
The module functions as a "dual" unit since it provides two independent output sections. These sections are noted in
the drawing below as "Server Output 1" and "Server Output 2." While the two sections use identical hardware, because
they are independent, they must be configured separately.
Note: This section is intended to be an overview of the Dual I/O module components. For more information regarding
module operation, refer to
Front Panel Components
Stage
Blackout
Switch
Server Output 1
Server Output 2
+
Stage Outputs - The module provides three (3) stage outputs: VGA, DVI, and HD-SDI. The intensity level of these
stage outputs can be mastered by the Mbox software's Global Master Intensity parameter. The stage outputs are
automatically blacked out when the Mbox application is not running or is in window mode.
+
Stage Blackout Switch - When this switch is set to "Yes," the stage outputs will be blacked out.
+
Preview Dim Switch - When this switch is set to "Yes," the preview outputs will have the same dimming state as the
stage outputs.
+
EDID Spoof/Capture Switch - The right-hand switch controls the EDID spoof/capture functions of the I/O module.
This switch is used when switching between the built-in EDID sets and when capturing EDID from any EDID
(Extended Display Identification Data) compliant device.
+
Preview Outputs - The module provides two (2) preview outputs: DVI and HD-SDI. The preview outputs are for local
monitors and are not affected by the hardware dimmer in the Dual I/O module (controlled by the intensity channel on
the Master fixture).
+
EDID Capture - Genlock In/Out - The Genlock connectors are used with the Generator Lock function, which can
be used to sync the graphics card in the computer to a reference signal. Genlock Input and Output connectors are
provided on both output sections. Normally, only the top pair of genlock connectors are active.
Note: The Genlock Out connector is not a passthrough. The output should only be used if an Mbox server is the source
for the reference signal. Do not use the Genlock Out connector to daisy-chain genlock between servers!
"Chapter 2: Dual I/O
Module".
EDID
Capture
Preview
Switch
Dim Switch
S T A G E B L A C K OUT
P R E V IE W DIM
OUT P UT 1
V G A 1
DV I 1
P R E V IE W 1
S T A G E B L A C K OUT
P R E V IE W DIM
OUT P UT 2
V G A 2
DV I 2
P R E V IE W 2
VGA
DVI
DVI
Stage
Stage
Preview
Output
Output
Output
Active LED
USB LED
Indicator
Indicator
E DID C A P T UR E
A C T IV E
US B
A
B
IN
OUT
S DI 1
G E NL OC K 1
E DID C A P T UR E
A C T IV E
US B
A
IN
B
OUT
DMX R x
R DM R x
R DM T x
S DI 2
G E NL OC K 2
Genlock
Input/Output*
HD-SDI
HD-SDI
Preview
Stage
Output
Output
MBOX® 2016 DUAL OUTPUT HARDWARE MANUAL
T M
Dual I/O Module
DMX
E T HE R NE T
C OMP UT E R
L INK
T x
R x
INP UT 1
INP UT 2
P OR T 1
P OR T 2
DMX Inputs
Ethernet (Art-Net/
sACN) Connectors
P OWE R
A
B
5
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