1. はじめに
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. パッケージ内容
パッケージに次の項目が含まれていることを確認してください。
- D-Link DUB-H4 4ポート USB 2.0 ハブ
- USB 2.0 タイプA - タイプB ケーブル
- Power Adapter (5V == 2.5A)
3.製品オーバーview
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.
図3.1: フロントトップ view of the D-Link DUB-H4 USB Hub, showing its compact black design and four USB Type-A ports.
図3.2: 後方 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. セットアップ手順
- 電源アダプタを接続します: 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.
- コンピューターに接続します: 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.
- USBデバイスを接続する: Plug your USB devices (e.g., mouse, keyboard, printer, external hard drive) into the available USB Type-A ports on the DUB-H4 hub.
- 自動認識: 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. 操作手順
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. メンテナンス
To ensure optimal performance and longevity of your D-Link DUB-H4 hub, follow these maintenance guidelines:
- クリーニング： 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.
- 環境条件: 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.
- ケーブル管理 Ensure all cables are connected securely and are not excessively bent or strained.
7。 トラブルシューティング
If you encounter issues with your D-Link DUB-H4 hub, consider the following troubleshooting steps:
- デバイスが認識されません:
- 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.
- コンピュータの別の USB ポートでハブをテストします。
- データ転送が遅い:
- 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.
- 電力の問題:
- 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. 仕様
| ブランド | Dリンク |
| モデル番号 | DUB-H4 |
| 色 | 黒 |
| インタフェース | USB2.0 について |
| ポート数 | 4 x USB Type-A (downstream), 1 x USB Type-B (upstream) |
| データ転送速度 | 最大480Mbps |
| オペレーティングシステムの互換性 | Windows 7/Vista/XP, Mac OS X 10.4 or higher, Linux |
| 特集 | OHCI, EHCI, Plug and Play, LED indicators |
| 材料 | ポリカーボネート |
| 寸法（長さ×幅×高さ） | 12.1 x 8.7 x 9 cm |
| 電源入力 | DC 5V == 2.5A |
| 動作温度 | 0～40℃（32～104℉） |
9. 保証情報
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. サポート
テクニカルサポート、製品登録、最新のドライバーやファームウェアのダウンロードについては、D-Linkの公式サポートサイトをご覧ください。 website. You can typically find support resources by searching for your product model (DUB-H4) on their webサイト。
D-Link公式 Webサイト： dlink.com/ja