Lindy 38387 User Manual page 7

User Manual
In addition to the installation steps outlined above this HDMI KVM Extender can also provide the following
additional/optional functionality:
USB
The Transmitter feature a USB Type B port for the connection to a USB source such as a PC or laptop
when the HDMI input port is selected. The receiver feature two USB 2.0 Type A ports to connect a
keyboard, mouse or other devices to control the source connected to the transmitter.
Connecting a PC to the Transmitter via USB Type B port, make possible to use the following serial
commands (baud rate 115200, 8bits):
s reboot! = reboot the unit
r fw version! = show fw version
s auto switch on! = set auto switch on
s auto switch off! = set auto switch off
r auto switch! = show auto switch status
RS-232 Serial
The Transmitter and Receiver both feature a phoenix block serial connection for the extension of control
signals.
Audio
The Transmitter feature an Analog 3.5mm input port for audio embedding, with a dip-switch is possible to
select if the Receiver will output the de-embedded audio from the HDMI IN or AUDIO IN port on the
Transmitter.
Infrared Control
The Transmitter and Receiver units both feature an IR In and Out port, with two pairs of IR extension
cables provided. The extension cables allow an IR remote control to be used from the Transmitter to the
Receiver or vice versa.
Troubleshooting
There is no display on the screen.
It has been found that there are significant differences in the cable lengths/types and even input ports
which can be used on different brands of display using HDMI 18G 4K@60Hz resolutions. If problems are
experienced, please apply the following steps:
Try a different input port on the display.

Reduce the cable length on the Input and Output to 1m.

Try a different type of 1m HDMI or Type C cable.

Check that the DC plug and jack used by the external power supply is firmly connected and that

the power LED is illuminated on both the Transmitter and Receiver.
Check that the Cat.6/7 cable is plugged in correctly and that the Connection LED on the left side

of both the HDBaseT In and Out ports are illuminated.
Check that the indicator LEDs on HDBaseT In port are illuminated, if not please power cycle the

source and display.
For several HDMI devices it may be helpful to unplug and re-connect their HDMI connection to re-

initiate the HDMI handshake and recognition.
Power off all the devices, then power on in this order: first, the extender, then the display and finally

the source.
Reduce the length of Cat.6/7 or HDMI cable used or use an higher quality cable.

Check that the dip-switches are in the correct position.

Lindy regularly checks and tests our product range to ensure maximum compatibility and performance.
For the most up to date version of this manual, please refer to your local Lindy website, search for the
relevant part number and find the manual under Downloads.
English