1. Pengenalan
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. Kandungan Pakej
Sila sahkan bahawa pakej anda mengandungi item berikut:
- D-Link DUB-H4 4-Port USB 2.0 Hub
- USB 2.0 Type-A to Type-B Cable
- Power Adapter (5V == 2.5A)
3. Produk Lebihview
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.
Rajah 3.1: Depan-atas view of the D-Link DUB-H4 USB Hub, showing its compact black design and four USB Type-A ports.
Rajah 3.2: belakang 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. Arahan Persediaan
- Sambungkan Penyesuai Kuasa: 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.
- Sambung ke Komputer Anda: 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.
- Sambungkan Peranti 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.
- Pengecaman Automatik: 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. Arahan Operasi
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. Penyelenggaraan
To ensure optimal performance and longevity of your D-Link DUB-H4 hub, follow these maintenance guidelines:
- Pembersihan: 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.
- Keadaan Persekitaran: 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.
- Pengurusan Kabel: Ensure all cables are connected securely and are not excessively bent or strained.
7. Penyelesaian masalah
If you encounter issues with your D-Link DUB-H4 hub, consider the following troubleshooting steps:
- Peranti Tidak Dikenali:
- 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.
- Pemindahan Data Lambat:
- 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.
- Isu Kuasa:
- 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. Spesifikasi
| Jenama | D-Link |
| Nombor Model | DUB-H4 |
| warna | Hitam |
| Antara muka | USB 2.0 |
| Bilangan Pelabuhan | 4 x USB Type-A (downstream), 1 x USB Type-B (upstream) |
| Kadar Pemindahan Data | Sehingga 480 Mbps |
| Keserasian Sistem Pengendalian | Windows 7/Vista/XP, Mac OS X 10.4 or higher, Linux |
| Ciri Khas | OHCI, EHCI, Plug and Play, LED indicators |
| bahan | Polikarbonat |
| Dimensi (L x W x H) | 12.1 x 8.7 x 9 cm |
| Input Kuasa | DC 5V == 2.5A |
| Suhu Operasi | 0 hingga 40 °C (32 hingga 104 °F) |
9. Maklumat Waranti
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. Sokongan
For technical support, product registration, or to download the latest drivers and firmware, please visit the official D-Link support website. You can typically find support resources by searching for your product model (DUB-H4) on their webtapak.
Rasmi D-Link Webtapak: www.dlink.com
