Instruction/ maintenance manual of the product B681 Huawei
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1 B68 1 Quick S tart Note: Figures in this guide are only for your reference. For details about t he particular model you have chosen, contact y our service provider. Check the information about the produ ct and its accessories when y ou purchase it.
2 Appe arance 1. Power button 2. Wi -Fi/WPS button 3. Wi -Fi/WPS indicator 4. Network status indicator 5. Power indicator 6. LAN indicators 7. Externa l antenna por t 8. Telephone port 9. Power port 10 . LAN ports Indicators Indicator Status Wi -Fi/WPS indicator Steady on: W i -Fi turned on or data transf er in progress .
3 2 Installation Installing the SIM Card Step 1 Slide the ca rd cov er off . Step 2 Insert the SIM card into the card slot . Ensure t hat 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 .
4 (Optional) Inst alling an External Antenna In areas with poor network coverage, connect an external antenna to the dev ice's external antenna port . Sc rew the external antenna in fully , as s hown in the following figure. Note: Skip this section if y ou do not need to connect an ex ternal antenna to the device.
5 Connecting t o a C om puter Use an Ethernet cable to connect a computer to one of the device's LAN port s, as shown in the following figure. When the co nnection between the device and the computer is set up, the device's corresponding LAN indicator turns on.
6 4 Setting Up a Wi reless Connection Turning the Devic e's Wi - Fi On By default, t he device 's Wi - Fi automat i cally turns on when the device is pow ered on . To manually turn Wi - Fi off, pres s and hold for 2 seconds, and then release your finger.
7 5 Using the Web Management Page Y ou can configure and manage the de vice settings using the web manageme nt page. Step 1 Launch a web browser, and enter h ttp://1 92.168 .1.1 in the addre ss bar. Step 2 Enter the password, and log in t o the web manage ment page.
8 7 Restoring Factory Def ault s If you are unc ertain of which set tings you have configur ed or changed, you can restore the fact ory defau lts that the device c ame with, and the n reconfi gure the device. T o restore the factory defaults , Use a sharp - pointed obj ect to pr ess and ho ld the RESET button until all indicators ( , and ) blink.
9 9 Safety Information This sec tion co ntains impor tant infor mation per taining t o the oper ating ins tructio ns of your device . It also cont ains information about how to use the dev ice safely . Read t his inform ation ca refully b efore usi ng your d evice.
10 aircraft and disrupt the w ireless telephone network. It may als o be considered illegal. Operating En vironment Do not use or charge the dev ice in dusty , damp, and dirty places or places with magnetic fields. Otherwise, it may re sult in a malfunction of the ci rcuit.
11 Do not drop, throw , or bend your wireless device. Do not use any chemical deter gent, powder , or other chemical age nts (such as alcohol and benzene) to clean the dev ice and the charger . Otherwise, parts of the device may be damaged or a fire can be caused.
12 Copyright © Huawei Technologi es Co., Ltd. 201 2 . All rights reserved. No part o f this docu ment may be reproduced or transmi tted in any f orm or by any means without pr ior writt en conse nt of Hua wei T echnologies Co., Ltd. The produc t des cribed in this manua l may include c opyrighte d sof tware o f Huawei T echnolog ies Co.
An important point after buying a device Huawei B681 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Huawei B681 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Huawei B681 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Huawei B681 you will learn all the available features of the product, as well as information on its operation. The information that you get Huawei B681 will certainly help you make a decision on the purchase.
If you already are a holder of Huawei B681, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Huawei B681.
However, one of the most important roles played by the user manual is to help in solving problems with Huawei B681. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Huawei B681 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
