AMX DX-TX-DWP-4K-WH
AMX DXLink DX-TX-DWP-4K-WH Faceplate
User Manual
Model: DX-TX-DWP-4K-WH
1. Introduction
The AMX DXLink DX-TX-DWP-4K-WH Faceplate is a wall-mounted input device designed to integrate HDMI and analog audio sources into a DXLink distribution system. It supports 4K video resolutions and provides a convenient connection point for various multimedia devices in conference rooms, classrooms, and other presentation environments. This manual provides essential information for the proper installation, operation, and maintenance of your DXLink Faceplate.
2. Safety Information
Please read and understand all safety instructions before installing or operating this device. Failure to do so may result in injury or damage to the equipment.
- Electrical Safety: Ensure all power is disconnected before installation or servicing. Installation should be performed by qualified personnel only.
- Environment: Do not expose the device to moisture, extreme temperatures, or direct sunlight. Operate within specified environmental conditions.
- Ventilation: Ensure adequate ventilation around the device to prevent overheating.
- Handling: Handle the device with care to avoid physical damage.
3. Package Contents
Verify that all items listed below are present in your package:
- AMX DXLink DX-TX-DWP-4K-WH Faceplate
- Installation Screws (2)
- Quick Start Guide (if applicable)
If any items are missing or damaged, please contact your dealer or AMX customer support immediately.
4. Setup and Installation
This section outlines the steps for installing the DXLink Faceplate. Professional installation is recommended.
4.1. Pre-installation Checklist
- Ensure the wall box is standard single-gang size.
- Verify that appropriate DXLink receiver/switcher is available and powered off.
- Have necessary cabling (Cat6a/7 for DXLink, HDMI, 3.5mm audio) prepared.
4.2. Installation Steps
- Power Off: Disconnect power to the wall box and any connected DXLink equipment.
- Cable Connection:
- Connect the DXLink twisted pair cable (Cat6a/7) from the DXLink receiver/switcher to the RJ-45 port on the rear of the faceplate. Ensure proper termination (T568B recommended).
- If using, connect the 3.5mm analog audio cable to the corresponding input on the rear.
- Mounting: Carefully insert the faceplate into the wall box. Secure it using the provided mounting screws. Do not overtighten.
- Power On: Restore power to the DXLink system.
- Testing: Connect an HDMI source and an audio source (if applicable) to the faceplate and verify signal transmission to the connected display/audio system.

This image displays the front of the AMX DXLink DX-TX-DWP-4K-WH Faceplate. It features an HDMI IN port, an auxiliary audio input, and two status indicator LEDs labeled 'DXLINK' and 'HDCP'. The AMX logo is visible at the bottom.
5. Operating Instructions
The DXLink Faceplate operates by automatically detecting connected sources and transmitting them over the DXLink twisted pair cable.
5.1. Connecting Sources
- HDMI: Connect an HDMI cable from your source device (e.g., laptop, Blu-ray player) to the HDMI IN port on the faceplate.
- Analog Audio: Connect a 3.5mm audio cable from your audio source to the 3.5mm audio input jack.
5.2. Status Indicators
The faceplate features two LEDs to indicate operational status:
- DXLINK LED:
- Solid Green: Indicates a stable DXLink connection to a receiver/switcher.
- Flashing Green: Indicates DXLink link activity or negotiation.
- Off: No DXLink connection or power.
- HDCP LED:
- Solid Green: Indicates successful HDCP authentication with the connected HDMI source.
- Flashing Green: Indicates HDCP authentication in progress.
- Off: No HDCP authentication or no HDMI source connected.
6. Maintenance
The DXLink Faceplate requires minimal maintenance.
- Cleaning: Use a soft, dry cloth to clean the surface of the faceplate. Do not use liquid cleaners or abrasive materials.
- Inspection: Periodically check cable connections to ensure they are secure.
7. Troubleshooting
If you encounter issues with your DXLink Faceplate, refer to the following table:
| Problem | Possible Cause | Solution |
|---|---|---|
| No video/audio output. | No power to faceplate or receiver; incorrect cable connection; source not active. | Check power to all DXLink components. Verify DXLink cable is properly connected and terminated. Ensure source device is powered on and outputting a signal. |
| DXLINK LED is off. | No DXLink connection or power. | Check power to the faceplate and the connected DXLink receiver/switcher. Verify the DXLink cable is securely connected at both ends. |
| HDCP LED is off or flashing. | HDCP authentication failure; non-HDCP content; faulty HDMI cable. | Ensure the HDMI source supports HDCP. Try a different HDMI cable. Power cycle the source and the DXLink system. |
| Intermittent signal. | Poor cable connection; cable length exceeds limits; interference. | Reseat all cables. Ensure DXLink cable length is within specifications (e.g., 100m for Cat6a/7). Check for sources of electromagnetic interference. |
If the problem persists, contact AMX customer support.
8. Specifications
Key technical specifications for the AMX DXLink DX-TX-DWP-4K-WH Faceplate:
| Feature | Detail |
|---|---|
| Model Number | DX-TX-DWP-4K-WH |
| Inputs | 1 x HDMI, 1 x 3.5mm Stereo Audio |
| Output | 1 x DXLink Twisted Pair (RJ-45) |
| Video Resolution Support | Up to 4K (4096x2160 or 3840x2160) @ 30Hz 4:4:4, 4K @ 60Hz 4:2:0 |
| HDCP Support | HDCP 2.2 and earlier |
| Power | PoE (Power over Ethernet) from DXLink receiver/switcher |
| Dimensions (H x W x D) | Standard single-gang wall plate size (approx. 4.2" x 1.7" x 1.8" behind plate) |
| Weight | Approx. 0.5 lbs (0.23 kg) |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) |
9. Warranty and Support
AMX products are designed for reliability and performance. For specific warranty terms and conditions, please refer to the warranty information provided with your purchase or visit the official AMX website.
9.1. Technical Support
For technical assistance, troubleshooting, or product inquiries, please contact AMX customer support:
- Website: www.amx.com/support
- Phone: Refer to the AMX website for regional support numbers.
When contacting support, please have your product model number (DX-TX-DWP-4K-WH) and a detailed description of the issue ready.
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