Huawei B681 Network Router User Manual
Contents
1. the device at least 1 meter 3 28 feet away from other electrical devices 3 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 ISe z CC e Skip this section if you do not need to connect an external antenna to the device e Before using an external antenna log in to the web management page http 192 168 1 1 and set antenna mode to external For details see the help information on the web management page e Only use the external antenna indoors e You cannot switch between the internal antenna and the external antenna while using a voice or data service Optional Connecting to a Telephone If you want to use the device to make voice calls connect the device to a telephone as shown in the following figure C B Note e Skip this section if you do not plan to use the device s voice services e Radio signals can interfere with telephone call connection and quality To eliminate the risk of possible interference place the telephone at least 1 meter 3 28 feet away from the device e Do not connect the device to the telephone wall outlet or any Public S2. 0 e Do not drop throw or bend your wireless device e 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 e Do not dismantle the device or accessories Otherwise the warranty on the device and accessories is invalid and the manufacturer is not liable to pay for the damage Please visit www huaweidevice com worldwide support hotline for recently updated hotline and email address in your country or region 11 Copyright Huawei Technologies Co Ltd 2012 All rights reserved No part of this document may be reproduced or transmitted in any form or by any means without prior written consent of Huawei Technologies Co Ltd The product described in this manual may include copyrighted software of Huawei Technologies Co Ltd and possible licensors Customers shall not in any manner reproduce distribute modify decompile disassemble decrypt extract reverse engineer lease assign or sublicense the said software unless such restrictions are prohibited by applicable laws or such actions are approved by respective copyright holders under licenses Trademarks and Permissions NZ nawe HUAWEI and We trademarks or registered trademarks of Huawei Technologies Co Ltd Other trademarks pro
3. B681 Quick Start E Note e Figures in this guide are only for your reference For details about the particular model you have chosen contact your service provider e 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 e 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 a O K E C D Scenario 2 You can connect a telephone to the device s telephone port to make voice calls OO LAN indicators External antenna port Telephone port Power port 0 LAN ports 1 Power button 2 Wi Fi WPS button 3 Wi Fi WPS indicator 4 Network status indicator 5 Power indicator SS oS Steady on Wi Fi turned on or data transfer p in progress Wi Fi WPS indicator Blinking WPS co
4. 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 9 piion unit aindcaors t P Tand 2 bink After the factory defaults are restored the device will restart automatically Attention Restoring factory defaults will delete all the device s user defined settings and restore all settings on the web management page to their defaults 8 Further Tips If the device does not work properly e See the help information on the web management page e Restart the device e Restore the device to its factory defaults e Contact your service provider 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 Medical Device e Follow rules and regulations set forth by hospitals and health care facilities Do not use your device when using the device is prohibited e Some wireless devices may affect the performance of hearing aids or pacemakers For any su
5. antenna and all persons Safety of Children Comply with all precautions with regard to children s safety Letting the child play with your device or its accessories which may include parts that can be detached from the device may be dangerous as it may present a choking hazard Ensure that small children are kept away from the device and accessories Accessories Use the accessories delivered only by the manufacturer Using accessories of other manufacturers or vendors with this device model may invalidate any approval or warranty applicable to the device result in the non operation of the device and cause danger Charger e Use the AC power supply defined in the specifications of the charger An improper power voltage may cause a fire or a malfunction of the charger e lf the power cable is damaged for example the cord is exposed or broken or the plug loosens stop using the cable at once Otherwise it may lead to an electric shock a short circuit of the charger or a fire Cleaning and Maintenance It is normal that your wireless device gets hot when you use or charge it Before you clean or maintain the wireless device stop all applications and disconnect the wireless device from your PC e Use your wireless device and accessories with care and in a clean environment Keep the wireless device away from a fire or a lit cigarette e Protect your wireless device and accessories from water and vapor and keep them dry 1
6. ch problems consult your service provider e f you are using an electronic medical device consult the doctor or the device manufacturer to confirm whether radio waves affect the operation of this device Potentially Explosive Atmosphere Do not use your device in any area with a potentially explosive atmosphere and comply with all signs and instructions Areas that may have potentially explosive atmospheres include the areas where you would normally be advised to turn off your vehicle engine Triggering of sparks in such areas could cause an explosion or a fire resulting in bodily injuries or even deaths Do not use your device at refueling points such as service stations Comply with restrictions on the use of radio equipment in fuel depots storage and distribution areas and chemical plants In addition adhere to restrictions in areas where blasting operations are in progress Before using the device watch out for areas that have potentially explosive atmospheres that are often but not always clearly marked Such locations include areas below the deck on boats chemical transfer or storage facilities and areas where the air contains chemicals or particles such as grain dust or metal powders Ask the manufacturers of vehicles using liquefied petroleum gas such as propane or butane whether this device can be safely used in their vicinity Traffic Security e Observe local laws and regulations while using the device To prevent accid
7. duct service and company names mentioned are the property of their respective owners Notice Some features of the product and its accessories described herein rely on the software installed capacities and settings of local network and may not be activated or may be limited by local network operators or network service providers 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 NO WARRANTY THE CONTENTS OF THIS MANUAL ARE PROVIDED AS IS EXCEPT AS REQUIRED BY APPLICABLE LAWS NO WARRANTIES OF ANY KIND EITHER EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE MADE IN RELATION TO THE ACCURACY RELIABILITY OR CONTENTS OF THIS MANUAL TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW IN NO CASE SHALL HUAWEI TECHNOLOGIES CO LTD BE LIABLE FOR ANY SPECIAL INCIDENTAL INDIRECT OR CONSEQUENTIAL DAMAGES OR LOST PROFITS BUSINESS REVENUE DATA GOODWILL OR ANTICIPATED SAVINGS Import and Export Regulations Customers shall comply with all applicable export or import laws and regulations and will obtain all necessary governmental permits and licenses in order to export re export or import the product mentioned in this manual including the softwa
8. e 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 Note e To protect your device only one user can log in to the web management page at a time e To protect your account change the password promptly For details see the help information on the web management page 6 Accessing the Internet After a connection between your device and the client is set up you can access the Internet using the modes listed in the following table Select an appropriate mode according to your data service charging plan For example if you are charged according to the length of time you are connected to the Internet it is recommended that you select manual mode For details about your data service charging plan contact your service provider Mode Description After being powered on the device will automatically connect to the Internet Once connected the device will not automatically disconnect from the Internet Manual Log in to the web management page and then connect to or disconnect from the Internet as prompted On After being powered on if there is data being transferred the device Demand will automatically connect to the Internet If no data is transferred within a pre defined period the device will automatically disconnect from the Internet 7 Restoring
9. ents do not use your wireless device while driving e RF signals may affect electronic systems of motor vehicles For more information consult the vehicle manufacturer e n a motor vehicle do not place the device over the air bag or in the air bag deployment area Otherwise the device may hurt you owing to the strong force when the air bag inflates e Do not use your device while flying in an aircraft and before boarding an aircraft Using wireless devices in an aircraft may cause danger to the operation of the 9 aircraft and disrupt the wireless telephone network It may also be considered illegal Operating Environment e 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 e While using the device observe the local laws and regulations and respect others privacy and legal rights e Place the device or accessories in well ventilated cool and out of direct sunlight place Avoid enveloping the device or covering towels and placing articles on the device Place the device out of a box or case to avoid poor heat dissipation that results in the damage to the device e Onastormy day with thunder do not use your device to prevent any danger caused by lightning e Keep the ambient temperature between 0 C to 45 C for using the device e This device should be installed and operated with a minimum distance of 20 cm between the
10. n Setting Up a Wi Fi Connection B Note Before setting up a Wi Fi connection ensure that a wireless network adapter has been installed on your computer If the wireless network adapter is functioning correctly you will be able to find a wireless network connection in your computer s connection manager application Method 1 Set up a Wi Fi connection Step 1 Ensure that p is steady on Step 2 Scan for available wireless network connections using your computer s connection manager application Step 3 Connect to the wireless network that has the same service set identification SSID as the device E Note e If asecurity mechanism has been enabled for the wireless network connection enter the correct Wi Fi key e The SSID and the Wi Fi key are printed on the device label e To protect your wireless network from unauthorized access change the SSID and Wi Fi key a regular intervals For details see the help information on the web management page Method 2 Set up a WPS connection If the client to which your device connects supports WPS a Wi Fi key is generated automatically For details about the client s operations see its user guide To set up a WPS connection 9 Step 1 Ensure that T z p Step 2 Press and hold until T blinks to activate the WPS connection on your device Step 3 Activate the WPS connection on the client is steady on 5 Using the Web Management Page You can configure and manage th
11. nnection being set up Off Wi Fi turned off Blinking red fast Subscriber Identity Module SIM card unavailable SIM card not installed or malfunctioning or PIN code not verified Yill a Steady yellow device registered with the Network status indicator network Steady green device connected to the Internet Off no signal received Steady on device powered on Off device powered off Power indicator 2 e Steady on network cable connected ieee e Blinking data transfer in progress Off network cable not connected LAN indicators 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 Step 3 Slide the card cover back onto the device Attention Before removing the SIM card ensure that the device is powered off and disconnected from the power outlet Optional Using the Table Stand You can place the device on a flat surface such as a table or a desk or hang it on a wall You can also use the table stand on the device to place it upright To use the table stand insert its latches into the device s table stand slots as shown in the following figure Note e To ensure good signal reception place the device in a high place or near a window e To prevent interference caused by radio signals place
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13. witched Telephone Network which will cause excessive heat or even damage the device 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 O E ZB LS i m 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 Connecting to a Power Outlet Connect a compatible power adapter to the device s power port and then plug the power adapter into a power outlet Z 9 a e Oo A e nO Note Using an incompatible power adapter may damage the device 3 Powering the Device On or Off After connecting to a power outlet the device will power on automatically e TO manually power the device off press and hold until all indicators turn off l SERENS e To manually power the device on press and hold until all indicators turn on 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 on e To manually turn Wi Fi off press and hold for 2 seconds and then o release your finger T turns off gt p e To manually turn Wi Fi on press and hold until T turns steady o
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