Huawei B681 Quick Start Manual
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Huawei B681 Quick Start Manual

B681
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Note:
Figures in this guide are only for your reference. For details about the
particular model you have chosen, contact your service provider.
Check the information about the product and its accessories when you
purchase it. Some accessories are not provided in the product package. If
necessary, contact your local dealer to purchase them.
This guide briefly describes the device functions. For details about how to
set the management parameters, see the help information on the web
management page.

1 Getting to Know Your Device

Application Scenarios
Scenario 1:
You can connect your computer to the device to access the Internet. The specific
connection steps depend on your computer's operating system. Follow the
displayed instructions to connect the device to your computer.
Scenario 2:
You can connect a telephone to the device's telephone port to make voice calls.
B681 Quick Start
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Summary of Contents for Huawei B681

  • Page 1: Getting To Know Your Device

    B681 Quick Start Note: Figures in this guide are only for your reference. For details about the  particular model you have chosen, contact your service provider. Check the information about the product and its accessories when you  purchase it. Some accessories are not provided in the product package. If necessary, contact your local dealer to purchase them.
  • Page 2 Appearance 1. Power button 6. LAN indicators 2. Wi-Fi/WPS button 7. External antenna port 3. Wi-Fi/WPS indicator 8. Telephone port 4. Network status indicator 9. Power port 5. Power indicator 10. LAN ports Indicators Indicator Status Steady on: Wi-Fi turned on or data transfer ...

  • Page 3: Installation

    2 Installation Installing the SIM Card Step 1 Slide the card cover off. Step 2 Insert the SIM card into the card slot. Ensure that the gold contact area faces down and that the beveled edge of the SIM card aligns with that of the card slot.
  • Page 4 (Optional) Installing an External Antenna In areas with poor network coverage, connect an external antenna to the device's external antenna port. Screw the external antenna in fully, as shown in the following figure. Note: Skip this section if you do not need to connect an external antenna to the ...

  • Page 5: Connecting To A Computer

    Connecting to a Computer Use an Ethernet cable to connect a computer to one of the device's LAN ports, as shown in the following figure. When the connection between the device and the computer is set up, the device's corresponding LAN indicator turns on. Ensure that the Ethernet cable is no longer than 100 meters (328 feet).

  • Page 6: Setting Up A Wireless Connection

    4 Setting Up a Wireless Connection Turning the Device's Wi-Fi On By default, the device's Wi-Fi automatically turns on when the device is powered To manually turn Wi-Fi off, press and hold for 2 seconds, and then  release your finger. turns off.

  • Page 7: Using The Web Management Page

    5 Using the Web Management Page You can configure and manage the device settings using the web management page. Step 1 Launch a web browser, and enter http://192.168.1.1 in the address bar. Step 2 Enter the password, and log in to the web management page. The default password is admin.

  • Page 8: Restoring Factory Defaults

    7 Restoring Factory Defaults If you are uncertain of which settings you have configured or changed, you can restore the factory defaults that the device came with, and then reconfigure the device. To restore the factory defaults, Use a sharp-pointed object to press and hold the RESET button until all indicators ( ) blink.

  • Page 9: Safety Information

    9 Safety Information This section contains important information pertaining to the operating instructions of your device. It also contains information about how to use the device safely. Read this information carefully before using your device. Electronic Device Do not use your device if using your device is prohibited. Do not use the device when using your device causes danger or interference with electronic devices.

  • Page 10: Operating Environment

    aircraft and disrupt the wireless telephone network. It may also be considered illegal. Operating Environment Do not use or charge the device in dusty, damp, and dirty places or places with  magnetic fields. Otherwise, it may result in a malfunction of the circuit. While using the device, observe the local laws and regulations, and respect ...
  • Page 11 Do not drop, throw, or bend your wireless device.  Do not use any chemical detergent, powder, or other chemical agents (such as  alcohol and benzene) to clean the device and the charger. Otherwise, parts of the device may be damaged or a fire can be caused. You can clean the device and the charger with a piece of damp and soft antistatic cloth.
  • Page 12 Thus the descriptions herein may not exactly match the product or its accessories you purchase. Huawei Technologies Co., Ltd. reserves the right to change or modify any information or specifications contained in this manual without prior notice or obligation.

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