Instruction Manual
4 5
Connections
Before making any connections, power off your source and display devices.
Tx Unit:
› Using a short HDMI cable, connect your source device to the HDMI port labeled “HDMI Input”.
For DVI-D/DVI-I sources, use appropriate adapters. For Display Port, use active converters.
› Connect the CAT5e/6 UTP or STP cable that connects to the Rx Unit at the port labeled
“CAT5e/6 Output”. Use 568-B Termination.
› Make IR In and Out connections to receive (IR In port) or send (IR Out port) control signals.
Refer to the “Extending IR & RS-232 Control” for more information.
› Connect a stripped wire to DB9 adapter cable for bi-directional RS-232 control.
Refer to the “Extending IR or RS-232 Control” and the “RS-232 Commands” section for more
information.
Rx Unit:
› Using a short HDMI cable, connect your output / display device to the HDMI port labeled
“HDMI Output”.
› Connect the CAT5e/6 cable at the port labeled “CAT5e/6 Input”. Use 568-B Termination.
› If you are sending or receiving IR, connect included IR Sensor and/or IR Emitter.
› If you are transmitting or receiving RS-232, connect to the IR out (RS-232) port.
› After all the connections are made, connect power using the included power supply and then
power up your source and display equipment.
Extending IR or RS-232 Control
RS-232:
Bi-directional RS-232 is achieved utilizing the IR Out (RS-232) port on the Tx and Rx units. The
connector is 3-pin phoenix and the pinout is the same on the Tx and Rx unit. RS-232 can not be used
at the same time as IR.
› RS-232 Pass-through Mode
» Send and receive (bi-directional) RS-232 commands for controlling remote equipment. Supports
baud rate up to 115,200bps.
› Control Mode
» Provides control of Tx units as well as connectivity status
» See RS-232 Commands section for more information
› Firmware Upgrade Mode
» Two different types of firmware may be updated: MCU (KD-X222PO units), and HDBaseT
(extension over CAT5e/6)
RS-232 Cabling
RS-232 cables are available through Key Digital and other wire suppliers, and can also be fabricated by
skilled technicians.