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User Manual for SIIG 04-137A 1x8 HDMI Splitter Over Cat6 Extender
Quick guide for the SIIG 04-137A 1x8 HDMI Splitter Over Cat6 Extender. Learn how to connect your devices, configure EDID settings, use RS-232 control, and troubleshoot signal issues.
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The SIIG 04-137A is a 1x8 HDMI Splitter over Cat6 Extender designed to distribute one HDMI source to eight displays. It supports 4K@60Hz resolution up to 230ft (70m) using Cat6/7 cabling. Key features include HDCP 2.2 compliance, EDID management, audio extraction, and bi-directional IR extension. Ensure all connections are secure before powering on the devices.
Package Contents
- 1x Transmitter (TX)
- 8x Receivers (RX)
- 1x Power adapter DC 12V/2A (for Transmitter)
- 8x Power adapter DC 5V/2A (for Receivers)
- 1x IR blaster cable
- 8x IR Receiver cables
- Terminal block
- Mount kits
- User Manual
Transmitter (TX) Layout
The transmitter unit manages the input signal and distribution. Key components include:
- EDID switch: Used to configure resolution and audio settings.
- IR in/out: Ports for IR receiver and blaster extension cables.
- Reset button: Restarts the device.
- RJ-45: Ports to connect to the receivers via Cat6 cable.
- HDMI LOOP-OUT: Connects to a local HDMI display.
- HDMI INPUT: Connects to the HDMI source device.
- RS-232: Port for command control.
- POWER JACK: Connects to the 12V/2A power adapter.
Receiver (RX) Layout
Each receiver unit connects to a display. Key components include:
- Reset button: Restarts the device.
- Audio switch: Selects audio extraction from HDMI input or ARC from TV.
- RJ-45: Connects to the transmitter via Cat6 cable.
- Power/Signal LED: Flashes when no HDMI signal is present; solid when signal is transmitted.
- Toslink Output: For audio extraction or ARC use.
- HDMI OUTPUT: Connects to the HDMI display.
- IR in/out: Ports for IR receiver and blaster extension cables.
EDID Settings
The EDID switch on the transmitter allows you to force specific resolution and audio formats. Switch up represents "1" and switch down represents "0". Refer to the EDID settings table in the manual to match your display's capabilities (e.g., 4K@60Hz 2CH, 1080p@60Hz HDR 7.1CH, or Auto mode).
RS-232 Settings
The device supports RS-232 control with the following parameters: Baud rate 9600, Data bits 8, Stop bits 1, Parity 0. Supported commands include turning output ports on/off (ES XX On/n, ES XX Off/n), resetting the device (Reset/n), restoring factory settings (Recover/n), and setting the baud rate (Baud xx /n).
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 signal on display
Check HDMI cable connections and ensure the Power/Signal LED on the receiver is solid. If flashing, the signal is not being transmitted.
Remote control not working
Ensure IR blaster and receiver cables are connected to the correct ports and that the remote control is within the effective range.
Incorrect resolution or audio format
Adjust the EDID DIP switches on the transmitter to match the capabilities of your connected display.
Before use
- Verify all 8 receivers are present in the package.
- Ensure high-quality Cat6 or Cat7 cables are available for the connection between transmitter and receivers.
- Confirm the power adapter for the transmitter (12V/2A) and the receivers (5V/2A) are ready.
- Check that the HDMI source and displays support the desired resolution (up to 4K@60Hz).
Specs in practice
- 4K@60Hz YUV 4:4:4
- Supports high-resolution video with full color fidelity.
- EDID Management
- Allows manual configuration of resolution and audio formats to ensure compatibility with various displays.
Images and diagrams
- Transmitter Layout: Features EDID switches, IR ports, RJ-45 output, HDMI loop-out, and RS-232 control.
- Receiver Layout: Features audio extraction switch, RJ-45 input, HDMI output, and IR ports.
Model compatibility
- Requires Cat6/7 cable for transmission up to 230ft (70m).
- Supports PCM2, 5.1/7.1, Dolby, and DTS 5.1 audio formats.
Manual page author
David Miller
Documentation analyst
Organizes user manual content into clear summaries, with attention to model details, product context, and everyday usability.