1. Product Overview
The ORIVISION ZY-DH941 is a versatile device functioning as both a dual Ethernet IP-to-IP transcoder and a video decoder. As a transcoder, it features two network ports, receiving IP streams from various sources (video encoders, IP cameras) via Network Port 1 and forwarding them to Network Port 2. It supports up to 9 channels of protocols including RTSP/HTTP/UDP/HTTPS/SRT/RTMP for forwarding to RTMP/RTMPS/DUP/RTP, enabling multicast forwarding across different network segments and transfers from LAN to WLAN.
As a video decoder, the ZY-DH941 supports decoding up to 4KP30 H.264/H.265 IP streams and outputs these streams via HDMI/VGA. It can simultaneously decode up to 9 channels of videos. Specifically, it supports 9 channels at 720P60, 4 channels at 1080P60, or 1 channel at 4KP30.
This device can also serve as a compact streaming media server and is widely applicable in high-definition video systems such as multimedia publishing, digital signage, signal publishing, and urban slow live broadcasting.
1.1 Key Features
- Dual Ethernet Interfaces: Supports IP to IP stream forwarding.
- Audio Insertion: Ability to insert audio into the forwarding stream.
- POE Support: Optional Power over Ethernet.
- Embedded RTMP Server: Supports maximum 1Gbps concurrency for stream distribution.
- Multi-Protocol Support: Forwards RTSP/HTTP/UDP/HTTPS/SRT/RTMP to RTMP/RTMPS/DUP/RTP.
- Local Preview: Up to 9-way 720p local preview.
- High Resolution Output: Supports up to 4K (3840x2160@30Hz) via HDMI output.
- Video Decoding: H.265/H.264 compatibility.
- Network Interface: 1000M full duplex mode.
- Web Management: Intuitive WEB interface with English and Chinese language options, and management authority.
- Remote Management: Supports remote management in WAN (WEB).
- Factory Reset: One-key function to restore factory configuration.
- Low-Power Design: Energy-efficient operation.
1.2 Applications
The ZY-DH941 is designed for a wide range of applications, including:
- Cross-network Multimedia Information Application: Realizes multicast forwarding in different network segments and transfers from LAN to WLAN.
- Regulatory Industry Application: Used in supervision platforms for monitoring and control.
- City/Scenic Slow Streaming Application: Ideal for intranet to extranet live streaming.
- Live Broadcasting: Supports streaming to platforms like Facebook, Twitch, YouTube, Twitter, and Liveme.
- Multimedia Publishing: For digital signage and signal publishing.



2. Specifications
| Attribute | Value |
|---|---|
| Model Number | ZY-DH941 |
| Brand Name | ORIVISION |
| Origin | Mainland China |
| Video Decoding | H.265/H.264 |
| Input | Dual Ethernet Interfaces |
| Output | 1X HDMI, 1X VGA, 1X CVBS, 1X Audio |
| Output Decoding | 1 channel 4K decoding, 4 channels 1080P decoding, 9 channels 720P decoding |
| Output Resolution | 3840*2160@30hz; 1080P60,50,30,25; 1080I60,1080I30; 720P60,50; 576P50,480P60; 1280*1024P60,1280*800P60,1027*768P60; 800*600P60 and so on. |
| Audio Format | AAC MP3 |
| Stereo | Adjustable sound volume |
| RJ45 | 1000M internet access |
| Protocol | HTTP/HTTPS/RTSP/RTMP/SRT/UDP/RTP/SRT... |
| Management Interface | WEB operation interface |
| Upgrade | Software upgrading through the internet |
| Dimension | 6.4*4.4*1.3in (163*111*32mm) |
| Weight | 0.35kg |
| Temperature (Operating) | 0~45°C |
| Temperature (Storage) | -20~80°C |
| Power Supply | 12V/DC 1A |
| Power Dissipation | <5W |
3. Setup Guide
3.1 Initial Installation Connection
Follow these steps to connect your ZY-DH941 device:
3.1.1 Connect Power
Use the provided standard power adapter (DC12V/1A) to connect to the device. The power light will illuminate once the device is powered on. If using a POE-powered device, the unit will power on when connected to the network cable.

Note: Always use the standard power adapter provided. Using unqualified power supplies may damage the device.
3.1.2 Connect Display
Connect an HDMI, VGA, or CVBS cable from the ZY-DH941 to your display device (e.g., monitor, electronic screen). The DH941 supports simultaneous HDMI and VGA output. For CVBS, it's a separate output.

3.1.3 Connect to User's Computer
Connect the decoder directly to your computer using a network cable for initial configuration.

3.1.4 Log in to the Control Web Interface
After connecting the decoder to your computer via a network cable, follow these steps to access the web control interface:
- Step 1: On your computer, navigate to "Network & Internet Settings".
- Step 2: In "Network & Internet Settings", click on "Change adapter options" and then select your "Local Area Connection".
- Step 3: Right-click on your "Local Area Connection" and select "Properties". In the properties window, select "Internet Protocol Version 4 (TCP/IPv4)" and click "Properties".
- Step 4: Change your computer's IP address to a static IP within the same subnet as the decoder (e.g., if the decoder's default IP is 192.168.0.35, set your computer's IP to 192.168.0.X, where X is not 35, and the subnet mask to 255.255.255.0). Click "OK".
- Step 5: Open a web browser (e.g., Chrome, Firefox) and enter the decoder's default IP address (192.168.0.35) in the address bar. This will open the login interface.
- Step 6: Enter the default username "admin" and password "admin", then click "Login".
Note: If you cannot log in with the new IP, check the DNS of your router. If issues persist, reset the decoder and re-login to the web interface to modify the IP, gateway, and DNS settings.
4. Operating Instructions
The control web interface provides various settings for managing the ZY-DH941.
4.1 Control Web Overview
The main control web interface typically includes sections for Status, Network, Decoder Settings, and System.
4.1.1 Status Page
This page displays real-time information about the input and output streams, RTMP status, and relay status.
4.1.2 Network Settings
Here, you can modify the network IP address, subnet mask, gateway, and DNS settings of the device. After making changes, click "Set up" and then "reboot" the decoder from the system page for changes to take effect.
4.1.3 Decoding Settings
This section allows configuration of input, output, relay, and OSD settings.
- Input Settings: Configure the media URL for the input stream (e.g., rtsp://192.168.0.31:554/chn1).
- Output Settings: Select the output type (HDMI, VGA, CVBS), audio source, audio output, output size (e.g., 3840x2160@30), and output window configuration (1, 2x2, or 3x3). Adjust audio volume, luma, contrast, hue, and saturation.
- Relay Settings: Enable or disable local output and configure relay channels. If local output is enabled, HDMI/CVBS/VGA/SDI output is normal. If disabled, these outputs will not work. Disable this function if the decoded stream exceeds 4 channels of 1080P to prevent decoding issues.
- OSD (On-Screen Display): Upload a station logo or picture (JPG format, max 1280x720) to be displayed on the output.
4.1.4 Built-in RTMP Server
The device has a built-in RTMP server. The RTMP server address (e.g., rtmp://192.168.0.35/live) can be found on the status display page. The IP is the actual address of the decoder, and the name can be customized (e.g., live, main). This allows pushing video streams to the decoder via OBS or an encoder in the LAN, and playing the stream through another decoding device.
4.1.5 System Settings
This section manages general device settings.
- Change Password: Modify the login password for the web interface.
- System Information: View device serial number, software version, and hardware version.
- Time Settings: Configure the device's system time and NTP (Network Time Protocol) synchronization. Enable NTP synchronization to automatically set the time via an NTP server (e.g., ntp6.aliyun.com). Select the appropriate time zone.
- Scheduled Reboot: Set a fixed daily reboot time or enable auto-reboot after a specified duration.
- Upgrade Settings: Upload new firmware. Contact support for the latest firmware. Do not decompress the file; upload it directly. Reboot the decoder after a successful upload.
- Reset: Use the Reset button for initialization operations. The Reboot button is for remote restarting.
4.2 Connecting the Decoder to the Internet
To connect the decoder to the internet and ensure proper streaming, follow these steps:
- Step 1: Check the IP of your signal source (encoder or IP camera) and your router. Ensure they are in the same network segment.
- Step 2: Change the default IP of the decoder (192.168.0.35) to an IP within the same network segment as your router (e.g., 192.168.10.XXX).
- Step 3: Connect the decoder directly to your PC with a network cable and log in to the control page using the default IP (192.168.0.35) as described in Section 3.1.4.
- Step 4: In the Network settings, change the decoder's IP to your desired IP (e.g., 192.168.10.XXX) and set the gateway to your router's gateway (e.g., 192.168.10.1). Click "Set up" and reboot the encoder.
- Step 5: Wait for a minute. The LCD display should show the new IP. You can then refresh your web browser and log in with the new IP.

4.3 Stream Address Configuration
The decoder supports HTTP, RTSP, RTMP, UTP, UDP/RTP, and SRT protocols. To configure a stream address:
- Navigate to the "Decoding settings" page in the web interface.
- In the "Input settings" section, locate the "Media url1" field.
- Enter the stream address in the appropriate format for your protocol (e.g., HTTP, RTSP, RTMP, UDP, RTP, SRT).
- Click "Set up" and then reboot the decoder for the changes to take effect.
Examples of Protocol Formats:
- HTTP:
http://192.168.0.31:8000/main - RTSP:
rtsp://192.168.0.31:554/main - RTMP:
rtmp://192.168.0.35/live/live - UDP:
udp://@232.255.42.41:1234 - RTP:
rtp://@232.255.42.41:1234
SRT Server Mode (No Password):
srt://@:7120?mode=listenersrt://192.168.0.31:7120
Example of Encrypted Stream:
- RTSP:
rtsp://username:password@192.168.0.31:554/main - SRT Listener Mode:
srt://192.168.0.31:7120?passphrase=password - SRT Call Mode:
srt://@:7120?mode=listener&passphrase=password
4.4 SRT Configuration
When the encoder is set to SRT's Listener mode, the SRT format to be filled into the decoder is srt://ip:port (non-encrypted) or srt://ip:port?passphrase=password (encrypted). Copy the address (e.g., srt://192.168.0.31:7120) and paste it into the decoder's Media Url1 box. Click "Set up" and reboot the decoder.
When the encoder is set to SRT's Caller mode, for non-encrypted streams, use srt://@:port?mode=listener. For encrypted streams, use srt://@:port?mode=listener&passphrase=password. Copy the address (e.g., srt://@:7120?mode=listener&passphrase=1234567890123) and paste it into the decoder's Media Url1 box. Click "Set up" and reboot the decoder.
5. Maintenance
5.1 General Care
- Keep the device in a cool, dry, and well-ventilated environment.
- Avoid exposing the device to direct sunlight, high temperatures, or high humidity.
- Do not place heavy objects on top of the device.
- Ensure proper airflow around the device to prevent overheating.
5.2 Cleaning
- Disconnect the power before cleaning.
- Use a soft, dry cloth to wipe the exterior of the device.
- Do not use liquid cleaners or aerosol sprays, as they may damage the device.
5.3 Firmware Updates
Regularly check for firmware updates to ensure optimal performance and access to new features. Firmware updates can be performed via the web interface under "System Settings" -> "Upgrade Settings". Always obtain firmware directly from ORIVISION support.
6. Troubleshooting
If you encounter issues with your ZY-DH941, refer to the following common problems and solutions:
- No Power: Ensure the power adapter is securely connected and the power outlet is functional. If using POE, verify the network cable is properly connected to a POE-enabled switch/injector.
- No Video Output:
- Check all HDMI/VGA/CVBS cable connections to the display and the decoder.
- Verify the display is set to the correct input source.
- Ensure the "Local output" in "Relay Settings" is enabled if you expect direct display output.
- Confirm the input stream is active and correctly configured in "Decoding Settings".
- If decoding multiple channels, ensure the total resolution/channel count does not exceed the device's capacity (e.g., 1 channel 4K, 4 channels 1080P, or 9 channels 720P).
- Cannot Access Web Interface:
- Verify your computer's IP address is in the same subnet as the decoder (default 192.168.0.35).
- Check network cable connections.
- Try clearing your browser's cache or using a different browser.
- If the decoder's IP was changed, ensure you are using the new IP address. If forgotten, perform a factory reset (see System Settings) and reconfigure.
- Stream Not Forwarding/Decoding:
- Double-check the input media URL and output relay settings for any typos or incorrect parameters.
- Ensure the protocols are correctly matched between input and output.
- Verify network connectivity between the source, decoder, and destination.
- Check firewall settings on your network that might be blocking stream traffic.
- Poor Video Quality/Lag:
- Ensure your network bandwidth is sufficient for the stream's bitrate.
- Check for network congestion.
- Verify the source video quality.
- Adjust decoding settings if necessary, reducing resolution or bitrate if possible.
7. User Tips
- For optimal performance, ensure your network infrastructure (routers, switches, cables) supports Gigabit Ethernet.
- When configuring complex streaming setups, test each stage of the connection (source to encoder, encoder to decoder, decoder to display/platform) individually to isolate potential issues.
- Utilize the web interface's "Status" page frequently to monitor stream health and network activity.
- If experiencing issues with specific protocols like SRT, ensure all parameters including passphrase and mode (listener/caller) are correctly matched on both the encoder and decoder.
- Consider using a dedicated network segment for high-bandwidth video streaming to avoid interference with other network traffic.
8. Warranty and Support
ORIVISION products are designed for reliability and performance. For technical assistance, troubleshooting, or warranty inquiries, please contact ORIVISION customer support. Refer to the official ORIVISION website for the most up-to-date support information and contact details.
Technical Support Email: support@orivision.cn
Official Website: www.orivisiontech.com
Please have your product model (ZY-DH941) and serial number ready when contacting support.