1. Introduzione
The D-Link DUB-H4 is a 4-port USB 2.0 hub designed to expand the number of available USB ports on your computer or laptop. This device allows for easy connection of multiple USB 1.1 or 2.0 peripherals such as printers, digital cameras, scanners, and webcams. Featuring Plug & Play functionality, the DUB-H4 requires no special configuration or driver installation and is compatible with Windows, Mac, and Linux operating systems.
2. Contenuto della confezione
Si prega di verificare che il pacco contenga i seguenti articoli:
- Hub USB 4 a 4 porte D-Link DUB-H2.0
- Cavo USB 2.0 da tipo A a tipo B
- Power Adapter (5V == 2.5A)
3. Prodotto finitoview
The DUB-H4 hub provides four downstream USB Type-A ports for connecting your USB devices and one upstream USB Type-B port for connecting to your computer or another USB hub. It supports high-speed data transfer rates of up to 480 Mbps and includes LED indicators for port activity.
Figura 3.1: Frontale-superiore view of the D-Link DUB-H4 USB Hub, showing its compact black design and four USB Type-A ports.
Figura 3.2: Posteriore view of the D-Link DUB-H4 USB Hub, illustrating the USB Type-B upstream port and the DC 5V == 2.5A power input.
4. Istruzioni per l'installazione
- Collegare l'adattatore di alimentazione: Insert the power adapter cable into the DC 5V == 2.5A input port on the rear of the DUB-H4 hub. Plug the other end of the power adapter into a standard electrical outlet.
- Connettiti al tuo computer: Use the provided USB 2.0 Type-A to Type-B cable. Connect the Type-B end to the upstream USB port on the rear of the DUB-H4 hub. Connect the Type-A end to an available USB port on your computer.
- Connetti dispositivi USB: Plug your USB devices (e.g., mouse, keyboard, printer, external hard drive) into the available USB Type-A ports on the DUB-H4 hub.
- Riconoscimento automatico: The DUB-H4 is Plug & Play. Your operating system should automatically detect and install the necessary drivers for the hub. No manual driver installation is typically required.
5. Istruzioni per l'uso
Once the DUB-H4 hub is connected and recognized by your computer, it operates transparently. Simply connect your USB devices to the hub's downstream ports. The hub will manage power distribution and data transfer for all connected devices. LED indicators on the hub will typically illuminate to show active connections and data transfer.
6. Manutenzione
To ensure optimal performance and longevity of your D-Link DUB-H4 hub, follow these maintenance guidelines:
- Pulizia: Disconnect the hub from power and your computer before cleaning. Use a soft, dry cloth to wipe the exterior. Avoid using liquid cleaners or abrasive materials.
- Condizioni ambientali: Operate the hub within its specified temperature range of 0 to 40 °C (32 to 104 °F). Avoid exposing the device to extreme temperatures, humidity, or direct sunlight.
- Gestione dei cavi: Ensure all cables are connected securely and are not excessively bent or strained.
7. Risoluzione Dei Problemi
If you encounter issues with your D-Link DUB-H4 hub, consider the following troubleshooting steps:
- Dispositivo non riconosciuto:
- Ensure the hub's power adapter is securely connected to a working electrical outlet.
- Verify that the USB cable connecting the hub to your computer is properly seated at both ends.
- Try connecting the USB device directly to your computer's USB port to confirm the device itself is functional.
- Test the hub with a different USB port on your computer.
- Trasferimento dati lento:
- Ensure all connected devices are USB 2.0 compatible for optimal speeds. USB 1.1 devices will operate at their native slower speeds.
- Avoid connecting too many high-bandwidth devices simultaneously if experiencing performance issues.
- Problemi di alimentazione:
- Confirm the power adapter is correctly connected and providing power. The hub requires external power for reliable operation, especially with multiple devices.
- If using a power strip, ensure it is switched on and functioning.
If these steps do not resolve the issue, please refer to the D-Link support resources mentioned in Section 9.
8. Specifiche
| Marca | D-Link |
| Numero di modello | DUB-H4 |
| Colore | Nero |
| Interfaccia | USB 2.0 |
| Numero di porte | 4 x USB Type-A (downstream), 1 x USB Type-B (upstream) |
| Velocità di trasferimento dati | Fino a 480 Mbps |
| Compatibilità del sistema operativo | Windows 7/Vista/XP, Mac OS X 10.4 or higher, Linux |
| Caratteristiche speciali | OHCI, EHCI, Plug and Play, LED indicators |
| Materiale | Policarbonato |
| Dimensioni (L x P x A) | Dimensioni: 12.1 x 8.7 x 9 cm |
| Potenza in ingresso | CC 5 V == 2.5 A |
| Temperatura di esercizio | da 0 a 40 °C (da 32 a 104 °F) |
9. Informazioni sulla garanzia
The D-Link DUB-H4 is covered by a manufacturer's warranty. D-Link provides a three-year warranty against manufacturing defects for this product. Please retain your proof of purchase for warranty claims.
10. Supporto
Per supporto tecnico, registrazione del prodotto o per scaricare i driver e il firmware più recenti, visitare il supporto ufficiale D-Link website. You can typically find support resources by searching for your product model (DUB-H4) on their websito.
D-Link Ufficiale Websito: www.dlink.com
