AT&T Internet Air 5G Gateway NCM1120D2 User Manual

1。 オーバーview

The AT&T Internet Air 5G Gateway (Model NCM1120D2) provides ultra-fast internet connectivity powered by AT&T's 5G network. Designed for business internet data plans, this gateway is Wi-Fi 7 Ready, offering lower latency and increased bandwidth for multiple devices. Its plug-and-play design allows for quick internet access, and an intuitive web ユーザーインターフェース （Web UI) enables easy network customization. The device supports 4G LTE bands 2, 4, 5, 12, 14, 29, 30, 66, and 5G bands n2, n5, n14, n30, n66, n77. Please note that a Nano SIM card and associated services are not included and must be obtained separately from AT&T.

2. パッケージ内容

パッケージにすべてのアイテムが含まれていることを確認します。

• AT&T Internet Air 5G Gateway (Model NCM1120D2)
• 電源アダプター

Note: A Nano SIM card and an active AT&T Business Data Plan are required for operation and are not included in this package.

3. デバイスのレイアウト

Familiarize yourself with the physical components and indicators of your AT&T Internet Air 5G Gateway.

図1: 前面と背面 View ラベル付きコンポーネント

フロントパネルインジケータ：

• 5G LED: 5G ネットワークのステータスを示します。
• 4G LED: Indicates 4G LTE network status.
• WiFi LED: Wi-Fi ネットワークアクティビティを示します。
• システムLED: システム全体のステータスを示します。

背面パネルのポートとボタン:

• External Antenna Ports (ANT): Two SMA connectors for optional external antennas.
• WPS ボタン: Wi-Fi Protected Setup 用。
• 2.5 GbE LAN Port (1): High-speed Ethernet port.
• 1 GbE LAN Ports (2, 3, 4): Standard Ethernet ports.
• DC電源ポート： 電源アダプタに接続します。
• 工場出荷時設定にリセットするボタン: 工場出荷時の設定を復元するための凹んだボタン。
• SIM Card Cover: Protects the SIM card slot.
• SIMカードスロット: For inserting the Nano SIM card.
• 排出する： For device cooling.

4. セットアップ

Follow these steps to set up your AT&T Internet Air 5G Gateway:

1. Nano SIMカードを挿入します:
   • Locate the SIM Card Cover on the rear panel.
   • 慎重にカバーを取り外します。
   • Insert your activated Nano SIM card into the SIM Card Slot with the gold contacts facing down and the notched corner aligned correctly.
   • Replace the SIM Card Cover securely.
   

   Figure 2: Inserting the Nano SIM Card

2. 電源アダプタを接続:
   • Plug the provided power adapter into the DC Power Port on the rear of the gateway.
   • 電源アダプタのもう一方の端を壁のコンセントに差し込みます。
3. Power On and Initial Boot:
   • The gateway will automatically power on.
   • Wait for the SYSTEM LED on the front panel to turn solid white, indicating the device is ready.
   • Observe the 5G and 4G LEDs. A solid white light on either indicates a successful cellular connection.
4. 最適な配置:
   • Place the gateway in an open area, away from obstructions, and preferably near a window for optimal cellular signal reception.
   • Avoid placing it near large metal objects, concrete walls, or other electronic devices that may cause interference.
5. デバイスを接続する:
   • Wi-Fi： Use the Wi-Fi network name (SSID) and password found on the device label or in the Web UI to connect your wireless devices.
   • イーサネット： For wired connections, plug an Ethernet cable from your device into any of the LAN ports on the rear of the gateway.

5. 操作手順

LED インジケータの理解:

• Solid White (SYSTEM): Gateway is powered on and operating normally.
• Solid White (5G/4G): Connected to 5G or 4G LTE network.
• Solid White (WiFi): Wi-Fi is active and devices are connected.
• Flashing (Any LED): Indicates activity or a specific status (refer to the full online manual for detailed flashing codes).
• No Light (Any LED): Feature is off or not connected.

アクセス Web UI:

の Web UI allows for advanced configuration and monitoring of your gateway.

1. Connect a device to the gateway via Wi-Fi or Ethernet.
2. 開く web browser and enter the default gateway IP address (usually 192.168.1.254 or similar, check the device label).
3. Enter the administrator password (found on the device label) to log in.
4. から Web UI, you can:
   • Wi-FiのSSIDとパスワードを変更します。
   • Configure advanced network settings (e.g., port forwarding, firewall).
   • Monitor connected devices and data usage.
   • ファームウェアを更新します。

Wi-Fi 保護セットアップ (WPS):

For quick and easy connection of WPS-compatible devices:

1. Press the WPS button on the rear of the gateway.
2. 2 分以内に、クライアント デバイスで WPS をアクティブ化します。
3. デバイスは自動的に接続されます。

6. メンテナンス

• クリーニング： ゲートウェイの外側を清掃する際は、柔らかく乾いた布をご使用ください。液体洗剤やエアゾールは使用しないでください。
• 換気： Ensure the gateway's vents are not obstructed to prevent overheating. Maintain adequate airflow around the device.
• ファームウェアの更新： 定期的にファームウェアのアップデートを確認し、インストールしてください。 Web UI to ensure optimal performance and security.
• 再起動： If you experience connectivity issues, try restarting the gateway by unplugging the power adapter for 10 seconds and then plugging it back in.

7。 トラブルシューティング

• インターネット接続なし:
  • Check if the 5G or 4G LED is solid white. If not, reposition the gateway for better signal.
  • Ensure your Nano SIM card is correctly inserted and activated with an AT&T Business Data Plan.
  • ゲートウェイを再起動します。
• インターネット速度が遅い:
  • Verify optimal gateway placement.
  • Check for network congestion (too many devices connected or high data usage).
  • Ensure your devices are using the appropriate Wi-Fi band (5GHz for faster speeds, 2.4GHz for wider range).
• Wi-Fiの切断:
  • 他の電子機器からの干渉がないか確認してください。
  • デバイスが Wi-Fi 範囲内にあることを確認してください。
  • デバイスの Wi-Fi ドライバーを更新します。
• 工場出荷時設定へのリセット： If issues persist, a factory reset can resolve many problems. Use a paperclip or similar pointed object to press and hold the recessed Factory Reset Button on the rear panel for about 10 seconds until the LEDs flash. This will erase all custom settings.

8. 仕様

9. 保証とサポート

This product is sold as 'Amazon Renewed'. For warranty information and support related to the renewed condition of the device, please refer to the Amazon Renewed program terms and conditions.

For service-related inquiries, data plans, or technical support specific to AT&T Internet Air 5G services, please contact AT&T customer support directly.

You can find additional support resources and the full user manual by visiting the AT&T support website or contacting their customer service.