1. Uvod
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.
Vsebina paketa
- TK-U404 4-Port USB 3.1 Sharing Switch
- Navodila za hitro namestitev
- 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. Značilnosti izdelka
- Vmesnik naprave: 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.
- Enostavna namestitev: Driverless installation; simply plug in devices and computers.
- USB napajanje: The switch is powered via USB, eliminating the need for an external power adapter in most scenarios.
- Združljivo z nazaj: Supports USB 3.0, 2.0, and 1.1 devices.
- Združljivost: Compatible with Windows and Mac operating systems.
- LED indikatorji: LEDs show the currently active computer.
- Kompaktna zasnova: Small form factor suitable for desktop installations.
3. Nastavitev
Povezovanje računalnikov
- 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.

Slika: Zadaj view of the TK-U404 switch, highlighting the PC input ports.
Povezovanje naprav USB
- 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.

Slika: spredaj view of the TK-U404 switch, highlighting the device output ports.
Napajanje stikala
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).

Slika: Stran view of the TK-U404 switch, showing the Micro USB power input port.
Video vodnik za nastavitev
Video: An official TRENDnet guide demonstrating how to connect and share USB devices with multiple computers using the TK-U404.
4. Delovanje
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.
Preklapljanje med računalniki
- 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.

Slika: Zgoraj view of the TK-U404 switch, showing the push button and LED indicators for active computer selection.
5. Specifikacije
| Funkcija | Specifikacija |
|---|---|
| Številka modela | TK-U404 |
| Vmesnik naprave | 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) |
| Združljivost operacijskega sistema | Windows, Mac |
| Standard USB | USB 3.1 Gen 1 (backward compatible with USB 3.0, 2.0, 1.1) |
| Vir napajanja | USB Powered (optional Micro USB for additional power) |
| Delovna zvezatage | 5 voltov (DC) |
| Dimenzije artikla (DxŠxV) | 4.8 x 2.8 x 0.87 palcev |
| Teža predmeta | 3.45 unč |
| Delovna temperatura | od 32 do 104 stopinj Fahrenheita (od 0 do 40 stopinj Celzija) |
| Material | Plastika |
6. Vzdrževanje
To ensure optimal performance and longevity of your TRENDnet TK-U404, follow these maintenance guidelines:
- Čiščenje: Za čiščenje zunanjosti naprave uporabite mehko, suho krpo. Izogibajte se uporabi tekočih čistil ali aerosolov, saj lahko poškodujejo napravo.
- Okolje: Stikalo hranite na hladnem in suhem mestu, stran od neposredne sončne svetlobe, virov toplote in prekomerne vlage.
- Upravljanje kablov: Ensure all cables are connected securely and are not excessively bent or strained.
- Prezračevanje: Ne blokirajte prezračevalnih odprtin na napravi.
7. Odpravljanje težav
If you encounter issues with your TK-U404, refer to the following common troubleshooting steps:
No Device Recognition
- Preverite povezave: 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.
- Napajanje: If using high-power USB devices, connect the optional Micro USB power cable to the switch and a power source.
- Poskusite z različnimi vrati/kabli: Test with different USB ports on the switch and computers, and try different USB cables.
Počasno delovanje
- Standard USB: 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.
- Kakovost kabla: Use high-quality USB 3.1 Gen 1 cables.
- Napajanje: Insufficient power can sometimes lead to slower speeds. Ensure adequate power is supplied, especially for multiple high-power devices.
8. Garancija in podpora
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 webZa celotne garancijske pogoje si oglejte spletno mesto ali dokumentacijo o nakupu.
Tehnična podpora
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 webspletno mesto ali se obrnite neposredno na njihovo službo za stranke.