Gefen EXT-HDMI-844 - Manual (Page 8)

5
1 Selected 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.
2 IR (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.
3 IR (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.
4 Power 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.
5 RS-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.
6 HDMI 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.
7 HDMI 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.
8 HDMI 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.
9 HDMI 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.
10 HDMI Outputs 1 to 4
Connect up to 4 HDMI capable devices (i.e. display) to these output ports.
11 24V DC Power Receptacle
Connect the included 24V DC power supply between this input and an open
wall power socket.
PANEL DESCRIPTIONS