gofanco KVMHD20Ext User manual

HDMI 2.0 USB KVM CAT
Extender - 70m
User's Guide
G4-0114A
P/N: KVMHD20Ext

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Thank you for purchasing from gofanco. Our
products aim to meet all your connectivity needs
wherever you go. For optimum performance
and safety, please read the instructions carefully
and keep this User’s Guide for future reference.
If you need more information about our
products, please visit www.gofanco.com. For
technical support, please email us at
[email protected]. For drivers/manuals
download, please go to www.gofanco.com/
downloads.
Important Safety Notices
Please read safety instructions carefully before
installation and operation.
• Please pay close attention to all warnings
and hints for this device
• Do not expose this unit to rain, heavy
moisture, or liquid
• Do not repair the device or open the
enclosure without professional guidance
to avoid electric shocks. Doing so may void
your warranty
• Keep the product in a well-ventilated
location to avoid damage from overheating

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• Shut off power and make sure environment
is safe before installation
• Do not plug the HDMI cables in/out when
the device is in use to avoid cable damage.
Make sure they are plugged into the correct
ports
• Use the included DC5V power adapters
only. Make sure the specification matches if
using 3rd-party DC power adapters

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Introduction
The HDMI 2.0 USB KVM CAT Extender - 70m
extends HDMI and USB signals up to 70 meters
(230ft) over a single CAT6/7 cable.
Features
• Supports up to 4K@60Hz and HDR with
nearly zero latency
• KVM extension with 2 USB 1.1 keyboard
and mouse ports to control a PC at a remote
location
• HDMI lopout on theTransmitter (TX) for a
local HDMI display
• Supports up to 5.1ch HDMI audio with
Toslink audio extraction on Receiver (RX)
• Metal housing provides durability and
higher level of RF/EMI shielding
PackageContents
• 1 Transmitter (TX) and 1 Receiver (RX) unit
• Power adapter (2pcs)
• USB Type-A to Type-A cable (1pc)
• Mounting accessories
• User's guide (1pc)

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Product Layout
Figure 1: Transmitter (TX)
1KVMLED
Off: No PC connection or no USB signal detected
On: PC connected and USB detected properly
Flashing: USB signal transmission detected
2 Reset Press to restart the Transmitter (TX) unit
3 RJ45 Out Connects to the Receiver's RJ45 port using a CAT cable
4PowerLED Flashing: Powered on, no HDMI signal detected
On: Powered on, HDMI signal detected
5 Power Jack Connects to the included power adapter
6 HDMI Out Connects to a local HDMI display
7 HDMI In Connects to PC's HDMI output
8 USB Port Connects to the computer's USB port

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Figure 2: Receiver (RX)
1 KVM LED Off: No USB device connected
On: USB device connected
2 Reset Button Press to reset the Receiver (RX) unit
3 RJ45 In Connects to the Transmitter's RJ45 port using a CAT cable
4 Power LED Flashing: Powered on, no HDMI signal detected
On: Powered on, HDMI signal detected
5 Power Jack Connects to the included power adapter
6 S/PDIF Out Toslink digital audio output connects to speakers or AVR
7 HDMI Out Connects to an HDMI display
8 USB Port (x2) Connects to your keyboard and mouse

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Hardware Installation
1. Power off all devices including your PC
and HDMI display(s).
2. Connect your PC's HDMI output to the
Transmitter's HDMI In connector with an
HDMI cable (HDMI cable not included).
3. Connect the Transmitter's USB port to the
PC's USB port using the included USB
Type-A to Type-A cable.
4. Optional: Connect an HDMI display to the
Transmitter's HDMI out connector with an
HDMI cable (HDMI cable not included) for
local monitoring of the HDMI signal.
5. Plug your CAT cable between the
Transmitter's RJ45 Out and Receiver's RJ45
In.
6. Connect your HDMI display to the
Receiver's HDMI out connector with an
HDMI cable (HDMI cable not included).
7. Plug your keyboard and mouse into the
USB ports of the Receiver (RX) unit.

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8. Plug the included power adapters into the
Transmitter's and Receiver's power jack,
then plug the power adapters into a reliable
power source.
9. Power on all connected devices.
10. The extender is ready for use.
CAT Cable Wiring
We suggest both RJ-45 connectors be wired
identically following T568B wiring standard for
the best performance and compatibility.

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Application Diagram
FAQ & Solutions
Q: There is no video output or video is not
normal:
A: 1) Check all cable connections.
2) Press the reset button on the Transmitter
and Receiver units.
Q: The extender is not working properly:
A: 1) Please check the cable lengths below:
- HDMI cables: Up to 3 meters
- Network cables: Up to 70 meters
2) Press the reset button on bothTX & RX.
Q: KVM LED is on but there is no image:
A: 1) Press reset button on both TX & RX.
2) Make sure the HDMI cable is firmly
connected to the display.
3) Use a 100% solid copper network cable.

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Specifications
HDMI Compliance HDMI 2.0
HDCP Compliance HDCP 2.2
Resolution
480i@60Hz, 480p@60Hz, 576i@50Hz,
576p@50Hz, 720p@50/60Hz, 800x600,
1024x768, 1280x768, 1280x800, 1280x960,
1360x768, 1366x768, 1600x900,
1680x1050, 1080i@50/60Hz,
1080p@50/60Hz,
3840x2160@24/25/30/50/60Hz,
4096x2160@24/25Hz
Transmission Distance Cat6/7: < 70 meters
Input and Output TMDS
Signal 0.7 - 1.2Vp-p (TMDS)
Input and Output DDC
signal 5Vp-p (TTL)
Power Supply (2pcs) 5VDC / 2A (output)
Power Consumption TX: < 4W
RX: < 4W
Operating Temperature -20 - 60 C
Storage Temperature -30 - 70 C
Humidity 0 - 90%

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Disclaimer
The product name and brand name may be
registered trademarks of related manufacturers.
TM and ® may be omitted on the user’s guide.
The pictures on the user’s guide are just for
reference, and there may be some slight
differences with the actual products.
We reserve the right to make changes without
prior notice to a product or system described
herein to improve reliability, function, or design.

Thank you for choosing gofanco
www.gofanco.com