1. Sarrera
The TRENDnet TK-U404 is a 4-Port USB 3.1 Sharing Switch designed to allow up to four computers to share USB 3.1 peripherals. This device simplifies the management of USB devices such as keyboards, mice, flash drives, scanners, and printers across multiple systems, eliminating the need to constantly swap cables. It supports USB 3.0, 2.0, and 1.1 backwards compatibility for broad device support.
Paketearen edukia
- TK-U404 4-Port USB 3.1 Sharing Switch
- Instalazio azkarraren gida
- 4x USB 3.1 Gen 1 Type A to Type A Cables
- 1x Micro USB Cable (for optional power)

Image: The TRENDnet TK-U404 switch shown with its included USB cables.
2. Produktuaren ezaugarriak
- Gailuaren interfazea: 4 x USB 3.1 Gen 1 Type A ports for PCs; 4 x USB 3.1 Gen 1 Type A ports for devices; 1 x Micro USB port for optional power.
- Instalazio erraza: Driverless installation; simply plug in devices and computers.
- USB elikatua: The switch is powered via USB, eliminating the need for an external power adapter in most scenarios.
- Backwards Compatible: Supports USB 3.0, 2.0, and 1.1 devices.
- Bateragarritasuna: Windows eta Mac sistema eragileekin bateragarria.
- LED adierazleak: LEDs show the currently active computer.
- Diseinu trinkoa: Small form factor suitable for desktop installations.
3. Konfigurazioa
Ordenagailuak konektatzea
- Identify the four USB 3.1 Gen 1 Type A ports labeled 'PC-1' through 'PC-4' on the switch.
- Using the provided USB 3.1 Gen 1 Type A to Type A cables, connect each computer to one of the 'PC' ports on the switch.

Irudia: Atzealdea view of the TK-U404 switch, highlighting the PC input ports.
USB gailuak konektatzea
- Locate the four USB 3.1 Gen 1 Type A ports labeled 'DEVICE-1' through 'DEVICE-4' on the front of the switch.
- Plug your USB peripherals (e.g., keyboard, mouse, flash drive, printer, scanner) into these 'DEVICE' ports.

Irudia: Aurrealdea view of the TK-U404 switch, highlighting the device output ports.
Etengailua piztea
The TK-U404 is typically powered via the USB connections from your computers. For devices requiring more power, an optional Micro USB cable can be connected to the 'POWER' port on the switch and to a USB power source (e.g., a USB wall adapter, not included).

Irudia: Albokoa view of the TK-U404 switch, showing the Micro USB power input port.
Konfiguratzeko Bideo Gida
Video: An official TRENDnet guide demonstrating how to connect and share USB devices with multiple computers using the TK-U404.
4. Funtzionamendua
Once all connections are made, the TK-U404 is ready for use. The switch operates by allowing you to select which connected computer has access to the shared USB devices.
Ordenagailuen artean aldatzea
- Locate the push button on the front of the TK-U404 switch.
- Press the button to cycle through the connected computers (PC-1, PC-2, PC-3, PC-4).
- The LED indicators next to the button will illuminate to show which computer is currently active and has control of the shared USB devices.

Irudia: Goian view of the TK-U404 switch, showing the push button and LED indicators for active computer selection.
5. Zehaztapenak
| Ezaugarri | Zehaztapena |
|---|---|
| Modelo zenbakia | TK-U404 |
| Gailu Interfazea | 4 x USB 3.1 Gen 1 Type A (PC), 4 x USB 3.1 Gen 1 Type A (Device), 1 x Micro USB (Power) |
| Sistema eragileen bateragarritasuna | Windows, Mac |
| USB estandarra | USB 3.1 Gen 1 (backward compatible with USB 3.0, 2.0, 1.1) |
| Energia iturria | USB Powered (optional Micro USB for additional power) |
| Bolumen eragileatage | 5 voltio (DC) |
| Elementuaren neurriak (LxWxH) | 4.8 x 2.8 x 0.87 hazbete |
| Elementuaren pisua | 3.45 ontza |
| Funtzionamendu-tenperatura | 32 to 104 Degrees Fahrenheit (0 to 40 Degrees Celsius) |
| Materiala | Plastikoa |
6. Mantentzea
To ensure optimal performance and longevity of your TRENDnet TK-U404, follow these maintenance guidelines:
- Garbiketa: Erabili zapi leun eta lehor bat gailuaren kanpoaldea garbitzeko. Saihestu garbitzaile likidoak edo aerosolak erabiltzea, unitatea kaltetu baitezakete.
- Ingurumena: Keep the switch in a cool, dry place, away from direct sunlight, heat sources, and excessive moisture.
- Kableen kudeaketa: Ensure all cables are connected securely and are not excessively bent or strained.
- Aireztapena: Ez blokeatu gailuan aireztapen-zulorik.
7. Arazoak
If you encounter issues with your TK-U404, refer to the following common troubleshooting steps:
No Device Recognition
- Egiaztatu konexioak: Ensure all USB cables are firmly connected to both the switch and the computers/devices.
- Verify Active Computer: Confirm that the correct computer is selected on the switch (check the LED indicators).
- Test Devices Directly: Connect the USB device directly to a computer to confirm it is functional.
- Elikatze-iturria: If using high-power USB devices, connect the optional Micro USB power cable to the switch and a power source.
- Try Different Ports/Cables: Test with different USB ports on the switch and computers, and try different USB cables.
Errendimendu motela
- USB estandarra: Ensure both your computers and devices support USB 3.1 Gen 1 (or USB 3.0) for optimal speeds. Using USB 2.0 devices or ports will result in USB 2.0 speeds.
- Kablearen kalitatea: Use high-quality USB 3.1 Gen 1 cables.
- Elikatze-iturria: Insufficient power can sometimes lead to slower speeds. Ensure adequate power is supplied, especially for multiple high-power devices.
8. Bermea eta Laguntza
Manufacturer Protection
The TRENDnet TK-U404 4-Port USB 3.1 Sharing Switch is backed by 2 years of TRENDnet Manufacturer Protection. Please refer to the official TRENDnet webBermearen baldintza eta zehaztapen guztiak ikusteko, jo ezazu zure webgunera edo erosketa-dokumentaziora.
Laguntza Teknikoa
TRENDnet provides reliable technical support. Our English-speaking advisors and tech experts are available during normal business hours to assist with any product-related inquiries.
For further assistance, please visit the official TRENDnet support webgunera edo jarri harremanetan zuzenean bezeroarentzako arreta-zerbitzuarekin.





