1. Product Overview
The iDsonix USB 3.0 to Ethernet Adapter Hub is a versatile 3-in-1 device designed to expand your computer's connectivity. It provides three USB 3.0 ports for high-speed data transfer and a Gigabit Ethernet port for stable and fast wired network access. This compact hub is ideal for laptops and desktops with limited ports, offering a convenient solution for connecting multiple USB devices and ensuring reliable internet connectivity.

Figure 1: iDsonix 3-in-1 Hub with USB 3.0 and Gigabit Ethernet
2. Package Contents
- iDsonix USB 3.0 to Ethernet Adapter Hub
- User Manual (This document, and a PDF version is available at PDF User Manual)
3. Setup Instructions
The iDsonix Hub is plug-and-play, requiring no additional drivers for most operating systems.
- Connect to Computer: Plug the USB-A connector of the iDsonix Hub into an available USB port on your computer (laptop, desktop, etc.). For optimal performance, use a USB 3.0 port on your computer.
- Connect Ethernet (Optional): If you require wired network access, connect a standard RJ45 Ethernet cable from your router or modem to the Gigabit Ethernet port on the hub.
- Connect USB Devices (Optional): Plug your USB devices (e.g., keyboard, mouse, USB flash drives, external hard drives, cameras) into the three available USB 3.0 ports on the hub.

Figure 2: Connecting the Hub and its peripherals
4. Operating Instructions
4.1 USB 3.0 Ports
- The three USB 3.0 ports support data transfer speeds up to 5Gbps, which is over 10 times faster than USB 2.0.
- Connect your USB peripherals for data synchronization, file transfer, or connecting input devices.
- An LED indicator on the hub will illuminate when connected and active.

Figure 3: USB 3.0 Speed Comparison
4.2 Gigabit Ethernet Port
- The RJ45 port provides a stable and high-speed wired network connection up to 1000Mbps (Gigabit Ethernet).
- This is ideal for situations where Wi-Fi is unreliable, slow, or unavailable, ensuring a consistent internet connection for streaming, gaming, or large file downloads.

Figure 4: Gigabit Ethernet Port in Use
5. Maintenance and Care
- Keep the hub away from water, moisture, and extreme temperatures.
- Avoid dropping or subjecting the hub to strong impacts.
- Clean the device with a soft, dry cloth. Do not use liquid cleaners or aerosols.
- When not in use, store the hub in a clean, dry place.
6. Troubleshooting
6.1 USB Devices Not Recognized
- Ensure the hub is securely connected to your computer's USB port.
- Try connecting the hub to a different USB port on your computer.
- Ensure the USB device itself is functioning correctly by connecting it directly to your computer.
- Restart your computer.
6.2 No Network Connection via Ethernet
- Verify that the Ethernet cable is securely connected to both the hub and your router/modem.
- Check the network status on your computer.
- Ensure your router/modem is working correctly.
- Try connecting the Ethernet cable directly to your computer (if possible) to rule out cable or network issues.
- Restart your computer and network equipment.
6.3 Slow USB Transfer Speeds
- Ensure the hub is connected to a USB 3.0 port on your computer.
- Ensure the connected USB device also supports USB 3.0 speeds.
- Avoid connecting multiple high-bandwidth devices simultaneously if you experience slowdowns.
7. Specifications
| Feature | Specification |
|---|---|
| Brand | iDsonix |
| Model Number | iDsonix-ED3UR-C3-015-BK-BP Hub |
| Interface Type | USB 3.0 (Input: USB-A Male) |
| Ports | 3 x USB 3.0 (Type-A Female), 1 x RJ45 Gigabit Ethernet |
| USB Data Transfer Rate | Up to 5Gbps |
| Ethernet Speed | 10/100/1000 Mbps (Gigabit) |
| Cable Length | 15cm |
| Compatible Systems | Windows, macOS |
| Compatible Devices | PC, Laptop, Desktop, PS5/4, Car (for USB devices) |
| Certification | CE, FCC |
| Origin | Mainland China |

Figure 5: Wide Compatibility Overview
8. User Tips
- For best performance, connect the hub to a USB 3.0 port on your computer.
- Ensure all cables (USB and Ethernet) are securely connected to prevent intermittent issues.
- If using with an external hard drive, ensure the drive has sufficient power, as this hub is bus-powered.
9. Warranty and Support
This iDsonix product comes with a 1-Year Limited Warranty from the date of purchase. This warranty covers manufacturing defects and workmanship under normal use.
For technical support, warranty claims, or further assistance, please contact your retailer or visit the official iDsonix support website.