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User Manual for SIIG 04-1377B 4K 60Hz HDMI KVM Extender
Quick guide for the SIIG 04-1377B 4K 60Hz HDR HDMI KVM Extender. Learn about port layout, EDID learning, and connection setups for touch screens and KVM peripherals.
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The SIIG 04-1377B is a 4K 60Hz HDR HDMI KVM Extender designed to transmit high-quality video and USB signals over Cat6/6a/7 network cables up to 70 meters. It supports HDMI loop-out on the transmitter, audio extraction on the receiver, and USB 2.0 for keyboard, mouse, and touch screen functionality. Ensure you have both the transmitter (TX) and receiver (RX) units, power adapters, and the necessary USB cables before starting installation.
Features
- Supports HDMI 4K@60 4:4:4 8bits and HDR 4K@60 4:2:0 10bits.
- Compatible with HDCP 2.2 and 1.4.
- Extends signal up to 230ft/70m via Cat6/6a/7 cable.
- Supports EDID learning for display compatibility.
- Includes HDMI loop-out on the transmitter.
- Audio extraction via Toslink on the receiver.
- USB 2.0 support for keyboard, mouse, and capacitive/resistive touch screens.
- Built-in lightning, surge, and ESD protection.
Device Layout
Transmitter (TX) Ports:
- 1. Power Jack: DC 5V/2A input.
- 2. HDMI Output: Connect to a local HDMI display.
- 3. HDMI Input: Connect to the HDMI source (PC).
- 4. USB Port: Connect to the PC's USB port for KVM functionality.
- 5. KVM Light: Left LED indicates USB connection; Right LED flashes during transmission.
- 6. Reset Button: Used to restart the device.
- 7. RJ-45: Connect to the Receiver using a Cat6 cable.
- 8. Power/Signal LED: Flashes when no signal; solid blue when HDMI signal is connected.
Receiver (RX) Ports:
- 1. Power Jack: DC 5V/2A input.
- 2. Toslink Output: For audio extraction.
- 3. HDMI Output: Connect to the remote HDMI display.
- 4. USB Port: For keyboard, mouse, and touch screen connection.
- 5. KVM Light: Indicates keyboard/mouse connection.
- 6. Reset Button: Used to restart the device.
- 7. RJ-45: Connect to the Transmitter using a Cat6 cable.
- 8. Power/Signal LED: Flashes when no signal; solid blue when HDMI signal is connected.
EDID Learning
The extender automatically learns the EDID of the display connected to the receiver. If the transmitter's loop-out port is also connected to a display, the device will default to the lower resolution of the two connected displays. To re-learn EDID after changing displays, press the reset button on the device.
Application
The device supports two primary configurations:
- Touch Screen Connection: Connect the PC to the TX HDMI In and USB port. Connect the RX HDMI Out to the display and the RX USB port to the touch screen.
- Mouse and Keyboard Connection: Connect the PC to the TX HDMI In and USB port. Connect the RX HDMI Out to the display and the RX USB port to the keyboard/mouse.
Support
For further technical support or information, visit the official website at http://www.siig.com/support.
Official resources from the manual
Manufacturer information
SIIG, Inc.
Practical help
Common problems
No HDMI signal on the display
Check the Power/Signal LED. If it is flashing, ensure the HDMI source is active and cables are securely connected.
Incorrect resolution displayed
The device may have learned the EDID of a lower-resolution display. Press the Reset button to force the device to re-learn the EDID of the currently connected display.
USB keyboard/mouse not working
Ensure the USB cable is connected between the PC and the Transmitter's USB port, and that the KVM light on the Receiver is active.
Before use
- Verify you have two power adapters (DC 5V/2A).
- Use high-quality Cat6, Cat6a, or Cat7 network cable for the connection between TX and RX.
- Ensure the USB cable is connected to the PC for KVM features.
- Check that the display supports the resolution being output by the source.
Specs in practice
- HDMI Loop-out
- Allows you to connect a local display directly to the transmitter unit.
- Toslink Output
- Optical audio output on the receiver for connecting to external sound systems.
Images and diagrams
- The Transmitter (TX) connects to the PC via HDMI and USB.
- The Receiver (RX) connects to the remote display via HDMI and peripherals via USB.
- The TX and RX units are linked via a single network cable.
Model compatibility
- Supports both Capacitive and Resistive touch screens.
- Supports PCM2/5.1/7.1, Dolby, and DTS 5.1 audio formats.
- Compatible with Cat6, Cat6a, and Cat7 cabling.
Manual page author
Michael Turner
Technical manual editor
Reviews PDF manuals for structure, safety notes, and practical product details so readers can find the right information quickly.