Usb Connectors; Ir Connector; Connector; Gpio - General Purpose Input/Output Ports - Lightware MMX4x2 Series User Manual

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3. Installation
3.2.5. USB Connectors
The matrix provides a standard USB mini B-type connector on the front panel for device control
purposes.
DIFFERENCE:
The following ports are available for MMX4x2-HDMI-USB20-L model only.
USB 2.0 B-type ports are for connecting USB host devices (computers).
USB 2.0 A-type ports are for connecting USB peripherals (camera, multi-touch display, etc...).
3.2.6. IR Connector
An IR detector and an IR emitter can be connected to the matrix with TRS (Tip, Ring, and Sleeve)
connectors. They are also known as (3,5 mm or approx. 1/8") audio jack, phone jack, phone plug,
and mini-jack plug. The pin assignments are the following for the detector and the emitter:
Detector – 3-pole TRS
1 Tip Signal (active low)
2 Ring GND
3 Sleeve +5V

INFO: Ring pole of the emitter is optional. If your IR emitter has a three-pole TRS plug, then the Ring and
the Sleeve carry the same signal (Output - ).
You can find more information about Infrared interface in the
3.2.7. RS-232 Connector
The matrix contains a 3-pole Phoenix connector, which is used for RS-232 serial connection.
RS-232 connector pin assignments
Compatible Plug Type
Phoenix Combicon series (3.5mm pitch, 3-pole), type: MC 1.5/3-ST-3.5.
®
You can find more information about RS-232 interface in the
Emitter – 2-pole TS
1 Tip +5V
2 Ring
Signal (active low)
3 Sleeve
Messaging Options section.
Pin nr. Signal
1 Ground
2 TX data
3 RX data
RS-232 Serial Interface section.
Applied firmware package: v1.6.0b19 | LDC software: v2.5.13b5
MMX4x2 series – User's Manual
3.2.8. GPIO - General Purpose Input/Output Ports

DIFFERENCE: This section refers to MMX4x2-HDMI-USB20-L model only.
The matrix switcher contains an 8-pole Phoenix connector with six GPIO pins, which operate at TTL digital
signal levels, and can be set to high or low level (Push-Pull). The direction of the pins can be input or output
(adjustable). Voltage ranges for GPIO inputs are the following:
Logical low level
Logical high level

INFO: The maximum total current for the six GPIO pins is 180 mA.

ATTENTION! The sum of the current that the GPIO and the USB-A ports can supply together is max. 2A.
Compatible plug type
Phoenix® Combicon series (3.5mm pitch 8-pole), type: MC 1.5/8-ST-3.5.
You can find more information about GPIO interface in the
Input voltage [V] Output voltage [V] Max. current [mA]
0 - 0,8 0 - 0.5
2 - 5 4.5 - 5
Level and
Pin no.
direction
1
2
3
4
5
6
7 5V (max 500mA)
Ground
GPIO connector and plug pin assignments
GPIO Interface section.
24
30
18