Panel Descriptions

1Selected Input LED Indicator

Each of the 4 outputs has an 4 LED array to indicate which source is currently selected on the 8x4 Matrix for HDMI. Each of the inputs can accept up to 2 sources (A and B) and the LED array will behave in 2 modes to indicate which of the two sources for input is selected. Please see the operation section for a complete description on how the LED array functions.

2IR (Infrared) Receiver

This receiver will accept command for switching between input HDMI devices using the included RMT-16IR remote control. Line of sight must be preserved for proper operation.

3IR (Infrared) Receiver Extension

An optional IR Receiver Extension (part # EXT-RMT-EXTIR) can be connected if the unit is placed in a location that will not provide line of sight to the included IR remote control. The IR extension can then be placed in a location where it can receive commands form the IR remote control.

4Power LED Indicator

This LED will become active once the included 24V DC power supply is properly connected between the unit and an open wall power socket.

5RS-232 Serial Communications Port

This port is used to control multiple functions available on the 8x4 Matrix for HDMI. Please see page 12 for complete details on the serial communication features that are used on this product.

6HDMI 1 Inputs

There are two inputs, labeled 1A and 1B, that will accept an HDMI source device. Only one of these inputs can be active at any given time.

7HDMI 2 Inputs

There are two inputs, labeled 2A and 2B, that will accept an HDMI source device. Only one of these inputs can be active at any given time.

8HDMI 3 Inputs

There are two inputs, labeled 3A and 3B, that will accept an HDMI source device. Only one of these inputs can be active at any given time.

9HDMI 4 Inputs

There are two inputs, labeled 4A and 4B, that will accept an HDMI source device. Only one of these inputs can be active at any given time.

10HDMI Outputs 1 to 4

Connect up to 4 HDMI capable devices (i.e. display) to these output ports.

1124V DC Power Receptacle

Connect the included 24V DC power supply between this input and an open wall power socket.

Gefen EXT-HDMI-844 user manual Panel Descriptions

Models: EXT-HDMI-844