Lightware MMX8x4-HT Series

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4. Installation MMX8x4-HT series – User's Manual 30

Electrical Connections
HDMI Input and Output Ports
The matrix switchers are assembled with standard 19-pole HDMI connectors with screw lock for inputs and
outputs. Always use high quality HDMI cable for connecting sources and displays.
Analog Stereo Audio
5-pole Phoenix connector is used for balanced analog audio input or output. Unbalanced
audio signals can be connected as well. See more details about the balanced and
 section.
Analog audio connector and plug pin assignments
Compatible Plug Type
Phoenix
®

Microphone IN
DIFFERENCE:  MMX8x8-HDMI-4K-A and MMX8x8-HDMI-4K-A-USB20 models have no microphone input.

is available via connector.
Microphone connector and plug pin assignments
INFO:  
Compatible Plug Type
Phoenix
®

 section and about the connection
in Installation Guide for Connecting a Microphone section.
Pin nr. Signal
1 
2 
3 Ground
4 Right-
5 Right+
Pin nr. Signal
1 Ground
2 -
3 +
RS-232 Connector
The receiver contains a 3-pole Phoenix connector which is used for RS-232 serial connection.
RS-232 connector pin assignments
RS-232 Output Voltage Levels
▪ 
▪ 
Compatible Plug Type
Phoenix
®

Serial Interface section.

The matrix switcher contains a 2-pole Phoenix connector. Depending on the destination port, it

Infra/ TTL serial connector pin assignments


▪ 
▪ 
In that case the actual current is:
▪ 
▪ 
Compatible Plug Type
Phoenix
®

         Serial Interface section and about Infrared in the Infra
Interface section.
Pin nr. Signal
1 Ground
2 TX data
3 RX data
Pin nr. Signal
1 Ground
2 TX data
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