Huawei B311S-220 4G LTE Modem Router User Manual

1. Introduction

This manual provides detailed instructions for the installation, operation, and maintenance of your Huawei B311S-220 4G LTE Modem Router. Please read this manual thoroughly before using the device to ensure proper functionality and safety.

The Huawei B311S-220 is a high-speed 4G LTE modem router designed to provide internet access via a SIM card. It supports up to 32 devices simultaneously, offering download speeds of up to 150 Mbps and upload speeds of up to 50 Mbps.

2. Safety Information

• Use only the original power adapter provided with the device.
• Do not expose the device to extreme temperatures, humidity, or direct sunlight.
• Avoid placing the device near water or other liquids.
• Do not attempt to open or repair the device yourself. Contact qualified service personnel for assistance.
• Ensure proper ventilation around the device to prevent overheating.

3. Package Contents

Verify that all items are present in your package:

• Huawei B311S-220 4G LTE Modem Router
• Power Adapter
• Quick Start Guide (if included)

4. Product Overview

4.1 Front and Side View

Image 1: Front and side view of the Huawei B311S-220 4G LTE Modem Router. This image displays the device's sleek black casing and the indicator lights on the front panel, including Power, Network Status, Wi-Fi, and Signal Strength indicators.

The front panel features LED indicators for Power, Network Status, Wi-Fi, and Signal Strength. The side may include buttons for Power and WPS.

4.2 Rear View and Ports

Image 2: Rear view of the Huawei B311S-220 4G LTE Modem Router, highlighting its various ports. From left to right, it shows the Reset button, Power input, LAN/WAN Ethernet port, and RJ11 telephone port. The SIM card slot and external antenna connectors are typically located on the side or bottom, not visible in this specific rear view.

The rear panel of the router includes the following ports and buttons:

• Reset Button: Used to restore factory settings.
• Power Input: Connects to the power adapter.
• LAN/WAN Port (Ethernet): Connects to a computer or other network devices, or to an external modem for WAN access.
• RJ11 Port: Connects to a telephone for voice services (if supported by your SIM card provider).
• SIM Card Slot: Located on the side or bottom (not visible in Image 2), for inserting your 4G LTE SIM card.
• SMA Connectors: For connecting optional external antennas to enhance signal reception.

5. Setup

5.1 SIM Card Installation

1. Ensure the router is powered off.
2. Locate the SIM card slot, usually on the side or bottom of the device.
3. Insert your standard-sized 4G LTE SIM card into the slot with the gold contacts facing down and the notched corner oriented correctly, until it clicks into place.
4. Do not force the SIM card. If it does not fit, verify the correct size and orientation.

5.2 Power Connection

1. Connect the power adapter to the Power Input port on the rear of the router.
2. Plug the other end of the power adapter into a wall outlet.
3. Press the Power button (if available) to turn on the router. The Power indicator light should illuminate.

5.3 Initial Configuration (Web Interface)

1. Connect your computer to the router via Wi-Fi or an Ethernet cable. The default Wi-Fi name (SSID) and password are usually printed on a label on the bottom of the router.
2. Open a web browser (e.g., Chrome, Firefox) and enter the default IP address: 192.168.8.1 in the address bar.
3. Log in using the default username and password (often "admin" for both, check the label on your device).
4. Follow the on-screen setup wizard. You may need to configure the Access Point Name (APN) settings according to your mobile network operator's specifications. This is crucial for internet connectivity.
5. Once configured, the Network Status indicator should turn solid blue or green, indicating a successful connection to the 4G LTE network.

6. Operating the Router

6.1 Connecting Devices

• Wi-Fi: On your smartphone, tablet, or computer, search for available Wi-Fi networks. Select the SSID of your Huawei router and enter the Wi-Fi password.
• Ethernet: Connect an Ethernet cable from the LAN/WAN port on the router to the Ethernet port on your computer or other network device.

6.2 Using the RJ11 Port

If your SIM card plan includes voice services, you can connect a standard analog telephone to the RJ11 port on the router. This allows you to make and receive calls using your mobile network plan.

6.3 External Antenna Connection

For improved 4G LTE signal reception, you can connect optional external antennas to the SMA connectors on the router. Ensure the router is powered off before connecting or disconnecting antennas.

7. Maintenance

7.1 Cleaning

Wipe the device with a soft, dry cloth. Do not use liquid cleaners or abrasive materials.

7.2 Firmware Updates

Periodically check the router's web interface for available firmware updates. Keeping the firmware updated ensures optimal performance and security. Follow the instructions provided within the web interface for updating.

7.3 Resetting the Device

To restore the router to its factory default settings, use a pointed object (like a paperclip) to press and hold the Reset button on the rear panel for approximately 5-10 seconds while the device is powered on. Release the button when the indicator lights flash. The router will restart with factory settings.

8. Troubleshooting

• No Power: Ensure the power adapter is securely connected to both the router and the wall outlet. Try a different outlet.
• No Network Signal:
  • Check if the SIM card is correctly inserted.
  • Verify that your SIM card has an active data plan.
  • Move the router to a location with better mobile network coverage.
  • Check the APN settings in the web interface.
• No Internet Access:
  • Confirm that the Network Status indicator is solid.
  • Restart the router and your connected device.
  • Verify APN settings are correct for your operator.
• Wi-Fi Connection Issues:
  • Ensure Wi-Fi is enabled on the router (check Wi-Fi indicator).
  • Verify the Wi-Fi password.
  • Reduce the distance between your device and the router, or remove obstacles.

9. Specifications

10. Warranty and Support

For warranty information and technical support, please refer to the warranty card included with your product or visit the official Huawei support website. Keep your purchase receipt as proof of purchase.

Online Resources: For additional support, FAQs, and software downloads, please visit the official Huawei support portal.