Grandstream HT818 アナログ電話アダプタ ユーザーマニュアル

1. はじめに

The Grandstream HT818 is a powerful 8-port FXS VoIP Gateway designed to convert analog telephone and fax lines into a Voice over IP (VoIP) network. It features an integrated Gigabit NAT router, offering robust connectivity and high-quality voice communication. This device is ideal for users seeking to integrate traditional analog devices into modern IP-based communication systems, providing strong encryption, automated provisioning, and excellent network performance.

2. 安全情報

Please read and follow these safety instructions carefully to prevent damage to the device and ensure user safety:

• デバイスに付属の電源アダプターのみを使用してください。
• デバイスを水や湿気にさらさないでください。
• デバイスを熱源の近くや直射日光の当たる場所に置かないでください。
• 過熱を防ぐために適切な換気を確保してください。
• ご自身でデバイスを開けたり修理したりしないでください。すべての修理は資格のある専門家にご依頼ください。

3. パッケージ内容

パッケージに次のアイテムが含まれていることを確認してください。

• Grandstream HT818 8-Port FXS VoIP Gateway Unit
• ユニバーサル電源アダプター
• イーサネットケーブル
• クイックインストールガイド

4. フィジカルオーバーview

The Grandstream HT818 features a compact design with clearly labeled ports for easy setup. Below is an image of the device, highlighting its key components.

図1: Grandstream HT818 Analog Telephone Adapter. This image shows the device from a slightly angled perspective, revealing its compact white casing and the various ports on the rear panel, including the FXS ports, LAN/WAN Ethernet ports, and power input.

フロントパネルインジケータ：

• 電源LED: 電源の状態を示します。
• インターネット LED: Indicates WAN port status.
• LAN LED: LANポートの状態を示します。
• FXS Port LEDs (1-8): Indicate the status of each analog phone port.

背面パネルのポート:

• FXS Ports (1-8): RJ11 ports for connecting analog telephones or fax machines.
• WANポート： RJ45 Ethernet port for connecting to your internet router or modem.
• LANポート: RJ45 Ethernet port for connecting to a local computer or network switch.
• 電源入力: 付属の電源アダプターを接続します。
• リセットボタン: 工場出荷時の設定を復元するために使用されます。

5. セットアップ手順

Grandstream HT818 をセットアップするには、次の手順に従ってください。

1. 接続電源： Plug the provided power adapter into the HT818's power input port and then into a power outlet. The Power LED should illuminate.
2. ネットワーク接続：
   • Connect one end of an Ethernet cable to the HT818's ワン port and the other end to an available LAN port on your internet router or modem. The Internet LED should light up.
   • Optionally, connect a computer or network switch to the HT818's 無線LAN port using another Ethernet cable. The LAN LED should light up.
3. アナログデバイスを接続する: Plug your analog telephones or fax machines into the FXS ports (1-8) on the HT818 using standard RJ11 phone cables. The corresponding FXS port LEDs will illuminate when a device is connected and registered.
4. 初期設定（Web Interface Access):
   • アクセスするには web configuration interface, you will need the HT818's IP address. You can find this by connecting an analog phone to FXS port 1, dialing ***, then dialing 02. The IP address will be announced.
   • 開く web browser on a computer connected to the same network as the HT818 (either via the LAN port or your main router).
   • ブラウザのアドレスバーに HT818 の IP アドレスを入力し、Enter キーを押します。
   • Log in using the default username (admin) and password (admin). You should change the default password for security.
   • Configure your SIP account details provided by your VoIP service provider within the web インタフェース。

6. 操作手順

電話をかける：

1. Pick up the handset of the analog phone connected to an FXS port. You should hear a dial tone.
2. 希望の電話番号をダイヤルします。
3. 呼び出しが接続するのを待ちます。

電話を受ける:

• When an incoming call arrives, the connected analog phone will ring.
• 電話に出るには受話器を取り上げてください。

ファックス：

The HT818 supports T.38 Fax over IP, which is crucial for reliable fax transmissions over a VoIP network.

• Ensure your fax machine is connected to an FXS port.
• Verify that T.38 support is enabled and correctly configured in the HT818's web interface, as well as on your VoIP service provider's side.
• Follow your fax machine's instructions for sending and receiving faxes.

7. メンテナンス

ファームウェアのアップグレード:

Regularly check for and install firmware updates from the Grandstream website to ensure optimal performance, security, and access to new features. Firmware upgrades are typically performed via the device's web インタフェース。

バックアップと復元の構成:

It is recommended to regularly back up your device's configuration settings. This allows for quick restoration in case of accidental changes or device replacement. The backup/restore function is available in the web インタフェース。

工場出荷時設定へのリセット：

A factory reset will revert all settings to their default values. This can be useful for troubleshooting or preparing the device for redeployment. To perform a factory reset, press and hold the reset button on the rear panel for approximately 7-10 seconds until the LEDs flash.

8。 トラブルシューティング

If you encounter issues with your HT818, refer to the following common problems and solutions:

• ダイヤルトーンがありません:
  • Ensure the power adapter is securely connected and the Power LED is on.
  • Check that the Ethernet cable is properly connected to the WAN port and your router, and the Internet LED is active.
  • Verify that the analog phone is correctly plugged into an FXS port and its corresponding LED is active.
  • Confirm that your SIP account is registered successfully in the web インタフェース。
• 電話をかけたり受けたりできない:
  • Check SIP registration status in the web interface. If not registered, verify SIP server settings, username, and password.
  • Ensure your internet connection is active and stable.
  • Check firewall settings on your router; SIP ALG should generally be disabled.
  • Confirm that the correct dial plan is configured for outgoing calls.
• FAX送信の問題:
  • Ensure T.38 Fax over IP is enabled in the HT818's web configuration and supported by your VoIP service provider.
  • Try reducing the fax machine's transmission speed.
  • Check for any network congestion or packet loss that might affect fax quality.
• ネットワーク接続の問題:
  • Verify all Ethernet cables are securely connected.
  • Check the status of the LAN and WAN LEDs.
  • Restart the HT818, your router, and your modem.

9. 仕様

Below are the technical specifications for the Grandstream HT818:

10. 保証とサポート

Grandstream製品には通常、限定保証が付いています。具体的な保証条件については、製品に付属の保証書を参照するか、Grandstreamの公式ウェブサイトをご覧ください。 website. For technical support, firmware updates, and additional resources, please visit the Grandstream support portal or contact your reseller.