1. Uvod
The GREATHTEK USB 2.0 Extender Over Ethernet (Model GHT-HT233U) allows you to extend USB 2.0 signals over long distances using a single Ethernet cable. This device is designed for stable and lossless signal transmission, making it ideal for various applications where USB devices need to be located far from the host computer. It features four USB 2.0 ports on the receiver unit and supports plug-and-play functionality without requiring additional drivers.
2. Sadržaj paketa
Molimo Vas da provjerite da li se u Vašem paketu nalaze sve dolje navedene stavke:
- 1 x USB Transmitter Unit (TX)
- 1 x USB Receiver Unit (RX)
- 1 x USB A-B Cable
- 1 x DC 5V adapter za napajanje
- 1 x Uputstvo za upotrebu

3. Upute za postavljanje
Follow these steps to set up your GREATHTEK USB 2.0 Extender:
- Spojite predajnu (TX) jedinicu: Plug one end of the provided USB A-B cable into the 'USB IN' port on the Transmitter (TX) unit. Connect the other end of the USB A-B cable to a USB port on your host computer.
- Povežite prijemnu (RX) jedinicu: Connect the DC 5V power adapter to the 'DC 5V' port on the Receiver (RX) unit and plug the adapter into a power outlet.
- Spojite Ethernet kabel: Use a standard Cat5, Cat5e, Cat6, or Cat7 Ethernet cable to connect the 'UTP' port on the Transmitter (TX) unit to the 'UTP' port on the Receiver (RX) unit. Ensure the cable is securely connected at both ends.
- Povežite USB uređaje: Plug your desired USB 2.0 devices (e.g., keyboard, mouse, printer, webcam, U-disk) into the 'USB 2.0 OUT' ports on the Receiver (RX) unit.

Video vodič za postavljanje:
4. Uputstvo za upotrebu
The GREATHTEK USB 2.0 Extender is designed for simple, plug-and-play operation. Once all connections are made as described in the setup section, the system should automatically detect and configure the connected USB devices. No additional drivers are typically required.
- Kompatibilnost uređaja: The extender is compatible with a wide range of USB 2.0 peripherals, including keyboards, mice, printers, scanners, webcams, and hard drive enclosures.
- Podrška za operativni sistem: It supports various operating systems such as Windows 8, Windows 10, and Mac OS V8.6 and later versions.
- Prijenos signala: The extender provides stable and lossless USB signal transmission up to 50 meters (165 feet) over a single Cat5/5e/6/7 network cable.


5. Održavanje
To ensure the longevity and optimal performance of your USB extender, please observe the following maintenance guidelines:
- Keep the units clean and free from dust. Use a soft, dry cloth for cleaning.
- Izbjegavajte izlaganje uređaja ekstremnim temperaturama, vlazi ili direktnoj sunčevoj svjetlosti.
- Do not attempt to open or modify the units, as this will void the warranty and could cause damage.
- Pazite da kablovi nisu oštro savijeni ili postavljeni ispod teških predmeta kako biste spriječili oštećenja.
6. Otkrivanje problema
If you encounter issues with your USB extender, please refer to the following common troubleshooting steps:
- Nema detekcije uređaja:
- Ensure all cables (USB A-B, Ethernet, power adapter) are securely connected.
- Verify that the power adapter is correctly plugged into the receiver unit and a live power outlet. The receiver unit requires external power.
- Try connecting the transmitter unit to a different USB 2.0 port on your computer. Some USB 3.0 ports may have compatibility issues with certain USB 2.0 extenders.
- Test with a different Ethernet cable to rule out cable defects.
- Intermitentna veza:
- Check the quality and length of your Ethernet cable. Ensure it is a Cat5e/6/7 cable and within the recommended 50-meter (165-foot) limit.
- Avoid running the Ethernet cable near sources of strong electromagnetic interference.
- Ensure the power adapter provides stable 5V power to the receiver unit.
- Spor prijenos podataka:
- The extender supports USB 2.0 speeds. Ensure your connected devices are also USB 2.0 compatible for optimal performance within this standard.
- Verify the Ethernet cable quality and length. Longer or lower-quality cables can impact performance.
7. Specifikacije
| Brand | GREATHTEK |
| Broj modela | GHT-HT233U |
| Hardversko sučelje | USB 2.0 |
| Ukupni USB portovi | 4 |
| Brzina prijenosa podataka | 0.48 Megabits Per Second (USB 2.0 standard) |
| Kompatibilni uređaji | Game Console, Keyboards, Mouse, Printers, Webcam |
| Operativni sistem | Mac, Win10 (and other compatible OS versions) |
| Udaljenost prijenosa | Up to 50m / 165ft over Cat5/5e/6/7 Ethernet cable |
| Napajanje | DC 5V (via included power adapter for receiver) |
| Materijal kućišta | Bakar |
| Dimenzije artikla (D x Š x V) | 5.12 cm D x 3.94 cm Š x 2.36 cm V |
| Težina artikla | 0.37 kilograma |
8. Garancija i podrška
GREATHTEK products come with a 12-month protection period. If you encounter any problems during use or have quality concerns with the product within this period, please contact our professional technical support team. We are committed to providing assistance and will reply to your inquiries as soon as possible, typically within 24 hours.
For support, please refer to the contact information provided in your product packaging or on the official GREATHTEK website.