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WS325 300Mbps Wireless Router

User Guide

7 Maintenance Guide

Issue 01 (2012-10-26)

7-5

Step 1

Step 2

In the navigation tree, choose

Maintenance

Device

Step 3

Click

Reset

Step 4

Click

Restore Default Settings

Step 5

In the displayed dialog box, click

----

End

7.5 Upgrading Software

Function Overview

By using the software upgrading function, you can upgrade the software of the router to

the latest version.

During the upgrade, do not power off the router; otherwise, the router may get damaged.

Configuration Example

You can download the latest software from the technical support Web site:

http://www.huaweidevice.com.
To upgrade the software of the router, do as follows:

Step 1

Step 2

In the navigation tree, choose

Maintenance

Device

Step 3

Click

Firmware Upgrade

Step 4

Click

Browse

Step 5

In the displayed dialog box, select the upgrade file. Then click

Содержание WS325

Страница 1: ...WS325 300Mbps Wireless Router User Guide HUAWEI TECHNOLOGIES CO LTD ...

Страница 2: ...d provides customers with comprehensive technical support and service For any assistance please contact our local office or company headquarters Huawei Technologies Co Ltd Address Huawei Industrial Base Bantian Longgang Shenzhen 518129 People s Republic of China Website http www huaweidevice com Email mobile huawei com ...

Страница 3: ...ted 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 A...

Страница 4: ... 4 Configuration of Internet Access Parameters 4 1 4 1 Logging In to the Web Based Configuration Utility 4 1 4 2 Using the Setup Wizard 4 5 5 Configuration of WLAN Parameters 5 1 5 1 Setting Up a Wireless Connection Manually 5 1 5 2 Setting Up a Wireless Connection Through the WPS Button 5 4 6 Configuring Frequently Used Functions 6 1 6 1 Configuring Multiple PCs to Access the Internet Simultaneou...

Страница 5: ... 6 9 Binding the IP address and MAC address 6 21 6 10 Allowing Internet Users to Access an Internal Resource Server 6 23 6 11 Expanding the Coverage of a WLAN 6 25 7 Maintenance Guide 7 1 7 1 Changing the Administrator Password of the Web based Configuration Utility 7 1 7 2 Changing the Login IP Address of the Web based Configuration Utility 7 2 7 3 Backing Up or Importing a Configuration File 7 3...

Страница 6: ...ecting cables stop using the device and then disconnect it from the power supply Ensure that your hands are dry during operation Keep the device far from sources of heat and fire such as a heater or a candle Keep the device far from electronic appliances that generate strong magnetic or electric fields such as a microwave oven or a refrigerator Place the device on a stable surface Place the device...

Страница 7: ...rized by the device manufacturer Otherwise the performance of the device may get affected the warranty for the device or the laws and regulations related to telecommunications terminals may become null and void or an injury may occur Do not use the power adapter if its cable is damaged Otherwise electric shocks or fires may occur Ensure that the power adapter meets the specifications indicated on ...

Страница 8: ...ize any environmental impact and health hazard due to the presence of hazardous substances Reduction of Hazardous Substances This device is compliant with the EU Registration Evaluation Authorisation and Restriction of Chemicals REACH Regulation Regulation No 1907 2006 EC of the European Parliament and of the Council and the EU Restriction of Hazardous Substances RoHS Directive Directive 2002 95 E...

Страница 9: ...wei Technologies Co Ltd leis seo go bhfuil an fheiste seo i gcomhlíonadh leis na fíor riachtanais agus na forálacha eile maidir le Treoir 1999 5 AE Italiano Col presente documento Huawei Technologies Co Ltd dichiara che questo dispositivo è conforme ai requisiti essenziali e alle altre disposizioni applicabili della Direttiva 1999 5 CE Latviski Ar šo Huawei Technologies Co Ltd paziņo ka šī ierīce ...

Страница 10: ...ul interference and 2 this device must accept any interference received including interference that may cause undesired operation This device should be installed and operated with a minimum distance of 20 cm between the antenna and all persons Note This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to part 15 of the FCC Rules These limits are d...

Страница 11: ... Encryption Standard AES temporary key integrity protocol TKIP and 64 128 bit wired equivalent privacy WEP encryption Security modes of Wi Fi Protected Access WPA and WPA2 and hybrid cryptosystem Wireless Distribution System WDS through which a WLAN can be expanded Low radiation Certification by the Wi Fi Alliance Integration of the functions of wireless access points APs routers four port switche...

Страница 12: ...escribes the interfaces and buttons of the router Table 2 1 Interfaces and buttons of the router Interface or Button Description Reset To restore the router to its default settings power the router on press and hold the Reset button for 6 or more seconds and then release it NOTE When the default settings are restored your custom data is lost Therefore exercise caution when using the Reset button W...

Страница 13: ...WPS is a standard for easy and secure establishment of a WLAN Through the WPS function you can access a WLAN on your wireless terminal devices securely without entering the name and password of the WLAN 2 2 2 Indicators Table 2 2 describes the indicators of the router Table 2 2 Indicators of the router Indicator Color Status Indicates Power Green On The router is powered on Off The router is power...

Страница 14: ...king The router is working in bridge mode The WAN connection is set up Data is being transmitted Off The router is powered off or no WAN connection is set up WLAN Green On The WLAN function is enabled but no data is being transmitted on the WLAN Green Blinking The WLAN function is enabled and data is being transmitted on the WLAN Off The WLAN function is disabled WPS Green On A wireless connection...

Страница 15: ...r and an Ethernet device such as a computer through a network cable but no data is being transmitted Green Blinking A connection is set up between the corresponding LAN interface of the router and an Ethernet device such as a computer through a network cable and data is being transmitted Off No connection is set up between the corresponding LAN interface of the router and an Ethernet device such a...

Страница 16: ...n open space and ensure that no obstacle such as a cement or wooden wall exists between your PC and the router Otherwise the transmission of radio signals on the WLAN is affected Ensure that the router and your PC are far from the electric appliances such as a microwave oven that generate strong magnetic or electric fields 3 2 Connecting Cables 3 2 1 Knowing Cable Connections Figure 3 1 shows the ...

Страница 17: ...iptions in the other sections of this chapter 3 2 2 Installing the Router on a Community Broadband Network In some communities network service providers use Ethernet interfaces as Internet interfaces Figure 3 2 shows the cable connections of a community broadband network after the router is installed on the network Figure 3 2 Cable connections of a community broadband network after the router is i...

Страница 18: ...led on the network 1 Router 2 Power adapter of the router 3 PC 4 Power adapter of the ADSL modem 5 Telephone 6 Splitter 7 ADSL modem 8 Telephone line interface on the wall Figure 3 3 takes the Huawei SmartAX MT880d ADSL customer premises equipment CPE as an example of the ADSL modem on the ADSL broadband network Other models of ADSL modems might vary in appearance Their interface types and cable c...

Страница 19: ...etwork after the router is installed on the network 1 Router 2 Power adapter of the router 3 PC 4 CATV network interface on the wall 5 Power adapter of the cable modem 6 Cable modem Cable modems provided by different manufacturers might vary in appearance and interface layout The cable modem in Figure 3 4 is for your reference only 3 3 Powering On the Router Press the On Off button on the side pan...

Страница 20: ...k cable and you can access the Internet through the router Red On A physical connection is set up between the WAN interface of the router and the Ethernet interface of an Ethernet device such as an ADSL modem through a network cable but you cannot access the Internet through the router NOTE In this case you need to configure the router as described in chapter 4 Configuration of Internet Access Par...

Страница 21: ...ter s working status or configure certain advanced network functions use the web based configuration utility To log in to the Web based configuration utility do as follows Step 1 Set up network access for your computer Set the network connection of your computer to obtain an IP address automatically Procedure on Computers Running Windows 7 1 Choose Start Control Panel Network and Internet Network ...

Страница 22: ...ess Parameters WS325 300Mbps Wireless Router User Guide 4 2 Issue 01 2012 10 26 3 Double click Internet Protocol Version 4 TCP IPv4 4 Select Obtain an IP address automatically and Obtain DNS server address automatically and click OK ...

Страница 23: ...meters Issue 01 2012 10 26 4 3 Procedure on Computers Running Windows XP 1 Choose Start Control Panel Network and Internet Connections 2 Choose Network Connections Local Area Connection Right click Local Area Connection and choose Properties 3 Double click Internet Protocol TCP IP ...

Страница 24: ... Guide 4 4 Issue 01 2012 10 26 4 Select Obtain an IP address automatically and Obtain DNS server address automatically and click OK Step 2 Launch a browser enter http 192 168 3 1 and press Enter In the Login window enter admin for both the user name and password and click Login End ...

Страница 25: ...en you configure the router for the first time you can view the setup wizard page after logging in to the utility To configure the router through the setup wizard Step 1 Log in to the Web based configuration utility Step 1 Choose the network connection type and configure the network connection parameters Choose the connection type based on the application scenario The Table 4 1describes the connec...

Страница 26: ...s WS325 300Mbps Wireless Router User Guide 4 6 Issue 01 2012 10 26 If you choose PPPoE or Static IP enter the parameters provided by your service provider and click Next If you choose DHCP or Bridge click Next without changing any configurations ...

Страница 27: ...If you choose Bridge use the dial up software on the computer to set up a dial up connection each time you access the Internet Step 2 Enter the service set identifier SSID and key and click Next End The default SSID and key are printed on the router s rear label To protect your wireless network from unauthorized access change the SSID and key promptly For details see chapter 6 3 2 Changing the Nam...

Страница 28: ...f the following methods Use the tool provided by your network adapter For details see the user guide of your network adapter Use the wireless configuration software provided by the operating system of your PC This section takes Windows XP and Windows 7 as an example and describes how to set up a wireless connection between your PC and the router manually Procedure on Computers Running Windows 7 St...

Страница 29: ...etwork list click the SSID set when you configured the router and click Connect Step 3 Enter the key set when you configured the router and click OK Step 4 After the key is verified Connected is displayed on the right of the network icon indicating that a wireless connection has been set up between the computer and router End ...

Страница 30: ...p 1 Choose Start Control Panel Network and Internet Connections Network Connections Right click Wireless Network Connection and choose View Available Wireless Networks Step 2 From the wireless network list click the SSID set when you configured the router and click Connect Step 3 Enter the key set when you configured the router and click Connect ...

Страница 31: ... is off press the WLAN button on the side panel of the router to enable the WLAN function Step 2 Press and hold the WPS button for 2 or more seconds on the side panel of the router The WPS indicator light of the router starts blinking If the WPS indicator light does not start blinking the WPS function cannot be enabled For solutions to other WPS issues see chapter 8 FAQs Step 3 Enable the WPS nego...

Страница 32: ...nly need to connect the desktop computers and the laptop to the router and set certain Internet access parameters of the router as follows Step 1 Connect the two desktop computers to the router by using network cables For details see chapter 3 Hardware Installation Step 2 Connect the laptop to the router wirelessly by configuring the laptop For details see chapter 5 Configuration of WLAN Parameter...

Страница 33: ...on Thus you can enable or disable the WLAN function as required Configuration Example To enable or disable the WLAN function do as follows Step 1 Log in to the Web based configuration utility Step 2 In the navigation tree choose Basic WLAN The WLAN configuration page is displayed Step 3 Select Enable WLAN Select Enable WLAN to enable the WLAN function and then click Submit Clear Enable WLAN to dis...

Страница 34: ... and configuring the WLAN can be simplified The SSID however is not encrypted Therefore anyone can find the WLAN and then view the SSID and the security of the WLAN is reduced The router provides the function of hiding the SSID After this function is enabled the wireless signals transmitted from the router do not carry the SSID Thus it is not possible for unauthorized people to obtain the SSID fro...

Страница 35: ...tly Used Functions WS325 300Mbps Wireless Router User Guide 6 4 Issue 01 2012 10 26 Step 4 Set Hide broadcast to Enable and then click Submit Step 5 Select SSID2 for SSID Index Step 6 Clear Enable for SSID Then click Submit ...

Страница 36: ...ot connect to the WLAN Therefore the security of the WLAN can be improved if the SSID is difficult to be predicted An SSID consists of 1 32 American Standard Code for Information Interchange ASCII characters When the router is delivered the SSID is preset You can find this preset SSID on the label on the real panel of the router In addition the router supports the change of the SSID You can change...

Страница 37: ...y authorized persons can use the WLAN and the data transmitted on the WLAN is protected against unauthorized access The router supports WEP encryption and multiple security modes such as WPA PSK and WPA2 PSK thus meeting security requirements in diversified network environments It is recommended that you set the security mode to WPA PSK WPA2 PSK and the encryption mode to AES Thus the WLAN works e...

Страница 38: ...so referred to as 104 bit encryption The password consists of 13 visible ASCII characters entered through a keyboard or 26 hexadecimal characters WPA PSK The password consists of 8 63 visible ASCII characters entered through a keyboard or 64 hexadecimal characters WPA2 PSK WPA PSK WPA2 PSK Configuration Example If you use the router at home to select an optimum security mode plan the parameters as...

Страница 39: ... prohibit certain PCs from being connected to the WLAN or allow only specified PCs to be connected to the WLAN thus preventing unauthorized users from accessing the WLAN Through the wireless MAC filtering function of the router the preceding functions can be used after you enter the MAC addresses of the PCs to be controlled The wireless MAC filtering function can be implemented in the following mo...

Страница 40: ...te a whitelist and allow only your laptop to be connected to the WLAN do as follows Step 1 View and record the MAC address of the laptop Take the Windows XP operating system as an example To view the MAC address of a PC do as follows 1 Choose Start Run 2 In Open enter cmd Then press Enter 3 In the displayed command line window enter ipconfig all Then press Enter Multiple lines of information is di...

Страница 41: ...the option of allowing a PC connected to the router to access the Internet The wireless MAC filtering function controls the option of allowing a PC to be connected to the router through a wireless network Configuration Example For example you have bought a PC for your child who is in a primary school To restrict the Internet access period of the child to from 19 00 to 20 00 in each evening and to ...

Страница 42: ...figuration page is displayed Step 3 Select Enable auto synchronization with network time Step 4 Select a time service address for Time server 1 For example you can select clock fmt he net Step 5 Select your time zone for Time zone For example if you are in China you can select GMT 08 00 Beijing Chongqing Hong Kong Urumqi Step 6 Click Submit Step 7 In the navigation tree choose Advanced Filter The ...

Страница 43: ...ay Select from Monday to Sunday Status Disable Step 11 Click Submit Step 12 Click New Step 13 Set the following parameters based on rule 2 Rule name Prohibited after 20 00 Source MAC address 00 11 09 11 04 DD Time control Enable Start time 19 59 End time 23 59 Effective day Select from Monday to Sunday Status Disable ...

Страница 44: ...tes Function Overview You can prohibit PCs from accessing specified Web sites or restrict PCs to accessing only specified Web sites Through the Uniform Resource Locator URL filtering function of the router the preceding requirements can be met after you enter the addresses of the Web sites to be controlled Configuration Example For example the contents of the Web site whose address is www com indi...

Страница 45: ...nd To delete a rule select the rule from the rule list In the Remove column select the rule Then click Remove 6 6 Setting the Available Bandwidth of a PC Function Overview The router provides traffic management function to control the bandwidth used by a PC for accessing the Internet Through different bandwidth control rules the router can implement the following bandwidth control functions Ensuri...

Страница 46: ...C is myPC The PC connects with the router through LAN1 interface and its IP address is 192 168 3 2 MAC address is 3C D9 2B 5C C0 23 To ensure a fast data transmission rate and smooth video quality you can use the following four ways to meet the demand for bandwidth control Manage Traffic according to the IP Address The configuration procedure is as follows Step 1 Log in to the Web based configurat...

Страница 47: ...o the Web based configuration utility Step 2 In the navigation tree choose Advanced IP QoS Step 3 Select Enable Traffic Management The configuration page for the traffic control function is displayed Step 4 In Traffic Management Type select MAC Address Step 5 Under Bandwidth Classifications click New and set the following parameters Mode Assure Minimum Bandwidth Download 500 kbit s Upload 500 kbit...

Страница 48: ... in to the Web based configuration utility Step 2 In the navigation tree choose Advanced IP QoS Step 3 Select Enable Traffic Management The configuration page for the traffic control function is displayed Step 4 In Traffic Management Type select LAN Interface Step 5 Under Bandwidth Classifications click New and set the following parameters Mode Assure Minimum Bandwidth Download 500 kbit s Upload 5...

Страница 49: ...ction is displayed Step 4 In Traffic Management Type select Application Step 5 Under Bandwidth Classifications click New Step 6 Select Application Then select DNS UDP for Application The router provides parameter setting templates of multiple applications After a template is selected the router sets certain parameters automatically You can change the parameter settings as required You can also set...

Страница 50: ...y using the firewall a protective shelter is established between your home network and the Internet thus protecting your PC from attacks on the Internet Configuration Example If you have stringent requirements on network security you can set the firewall level of the router to High and set the router to prevent DoS attacks The configuration procedure is as follows Step 1 Log in to the Web based co...

Страница 51: ...ith that MAC address can be connected to the Internet In this case the MAC address of the router cannot be found in the network devices of a network service provider Therefore the router cannot be connected to the Internet and the PCs connected to the router cannot access the Internet also You can use the MAC address cloning function of the router to remove the restriction caused by the binding of...

Страница 52: ...ollows Step 1 Log in to the Web based configuration utility on PC 1 Step 2 In the navigation tree choose Basic WAN The WAN interface configuration page is displayed Step 3 Set MAC Address Clone to Enable Step 4 Click Clone My PC s MAC Step 5 Click Submit End 6 9 Binding the IP address and MAC address Function Overview Binding the IP address and MAC address of the computer can effectively prevent f...

Страница 53: ...AC bind configuration page is displayed Step 3 Select Enable Bind Step 4 In IP enter the IP address 192 168 3 2 Step 5 In MAC Enter the MAC address 44 37 E6 97 C8 3E Step 6 Click Submit Enable a binding rule in the ARP table refer to the following steps Step 1 Click ARP Step 2 Select the desired binding rule and click Bind End To delete a binding rule select the corresponding check box in the Remo...

Страница 54: ...es the domain name the DDNS server provides the latest IP address to the PC Configuration Example For example you deploy a Web server on a LAN You want Internet users to be able to access the Web site on the Web server through a fixed domain name The IP addresses of the relevant devices are as follows The IP address of the LAN interface of the router is 192 168 3 1 The IP address of the Web server...

Страница 55: ...e requirements of other applications Step 6 Set the following parameters as planned External start port 80 External end port 80 Internal host 192 168 1 166 Internal port 80 Step 7 Click Submit Step 8 In the navigation tree choose Advanced DDNS The DDNS configuration page is displayed Step 9 Click New Step 10 Select Others for Service provider The DDNS function of the router provides parameter sett...

Страница 56: ...e connected wirelessly in this mode but other wireless clients cannot be connected to the router On each router add the wireless MAC address of the peer router to the WDS MAC list Repeater It is used to expand the coverage of a WLAN The router can set up a connection with another wireless router or wireless client On each router add the wireless MAC address of the peer router to the WDS MAC list L...

Страница 57: ...ding the coverage of a WLAN note that The IP addresses of the LAN interfaces of the two routers should be in the same network segment In addition the IP addresses should be different Enable the DHCP server function only on the wireless router that is used to connect to uplink devices Disable the DHCP function and enable the DHCP relay function on other wireless routers Configuration Example For ex...

Страница 58: ...to AES Set the password used for accessing the WLAN to MyPassword 2012 Enable the WDS function and set the WDS mode to Repeater Add the wireless MAC address of router A to the WDS MAC list The configuration procedure is as follows The following procedure describes how to change the parameter settings as required You can retain the default settings of the parameters that do not need to be changed S...

Страница 59: ...splayed 3 Click WLAN 4 Select Enable WLAN 5 Set the following parameters Channel 1 SSID Index SSID1 SSID mySSID Security WPA PSK WPA2 PSK WPA pre Shared key MyPassword 2012 WPA encryption AES 6 Click Submit Step 3 Configure the WDS function of router A 1 In the navigation tree choose Basic WLAN The WLAN configuration page is displayed 2 Click WLAN WDS 3 Select Enable 4 Select Repeater for WDS Mode...

Страница 60: ... is recorded in Step 1 8 Click Submit Step 4 Set the WLAN parameters of router B 1 Log in to the Web based configuration utility of router B 2 In the navigation tree choose Basic WLAN The WLAN configuration page is displayed 3 Click WLAN 4 Select Enable WLAN 5 Set the following parameters Channel 1 SSID Index SSID1 SSID mySSID Security WPA PSK WPA2 PSK WPA pre Shared Key MyPassword 2012 WPA encryp...

Страница 61: ...e WDS function of router B 1 In the navigation tree choose Basic WLAN The WLAN configuration page is displayed 2 Click WLAN WDS 3 Select Enable 4 Select Repeater for WDS Mode 5 Click New 6 Select mySSID for Select SSID 7 In MAC Address enter AA AA AA AA AA AA This MAC address is the wireless MAC address of router A and is recorded in Step 1 ...

Страница 62: ...er B 1 In the navigation tree choose Basic LAN The LAN configuration page is displayed 2 Click DHCP 3 Under LAN Host Settings enter 192 168 3 100 in IP address 4 Under LAN Host Settings click Submit Step 7 Disable the DHCP server function of router B 1 In the navigation tree choose Basic LAN The LAN configuration page is displayed 2 Select DHCP 3 Under DHCP Server clear Enable ...

Страница 63: ...6 Configuring Frequently Used Functions WS325 300Mbps Wireless Router User Guide 6 32 Issue 01 2012 10 26 4 Under DHCP Server click Submit End ...

Страница 64: ...n restore the default settings of the router by pressing and holding the RESET button for more than 6s In this case the login password of the Web based configuration utility is restored to admin When the default settings are restored your customized data is lost Therefore use the RESET button with caution Configuration Example For example the administrator password is admin To change the password ...

Страница 65: ...e LAN interface of the router are in the same network segment to enable the computer to access the Web based configuration utility In this case to access the Web based configuration utility you need to enter the new IP address in the address bar Configuration Example For example the login IP address of the Web based configuration utility is 192 168 3 1 and the subnet mask is 255 255 255 0 To chang...

Страница 66: ...ers according to actual requirements and you need to modify the parameters again for some reasons To prevent a network access failure due to misoperations you can back up the configuration file of the router Once the modification of the parameters fails you can quickly restore the router to the normal state To back up the configuration file do as follows Step 1 Log in to the Web based configuratio...

Страница 67: ... changed the parameters or you have forgotten the login password of the Web based configuration utility You can restore the default settings by using either of the following methods Pressing the RESET button Using the Web based configuration utility Configuration Example For example you have changed the login password of the Web based configuration utility and you have forgotten the login password...

Страница 68: ...ading function you can upgrade the software of the router to the latest version During the upgrade do not power off the router otherwise the router may get damaged Configuration Example You can download the latest software from the technical support Web site http www huaweidevice com To upgrade the software of the router do as follows Step 1 Log in to the Web based configuration utility Step 2 In ...

Страница 69: ...7 Maintenance Guide WS325 300Mbps Wireless Router User Guide 7 6 Issue 01 2012 10 26 Step 6 Click Software Upgrade End ...

Страница 70: ... the Web Based Configuration Utility to set the IP address If the computer cannot properly obtain an IP address restart the computer Step 4 Launch the Internet Explorer choose Tools Internet Options Connections LAN settings and ensure that none of the check boxes are selected If the problem persists restore the router to its factory settings End Q 4 Does the WPS function have any special requireme...

Страница 71: ... My Computer and choose Manage Services and Applications Services and check whether WLAN AutoConfig is Started If not right click WLAN AutoConfig and choose Start The following procedure describes how to change the parameter settings as required You can retain the default settings of the parameters that do not need to be changed Step 3 Check that the driver for the wireless network adapter is prop...

Страница 72: ...ace your router and computer in another direction Step 5 Do not use your router to access a WLAN during thunderstorms End Q 8 What can I do if the WLAN of the router is not encrypted and the computer cannot access the WLAN Step 1 Delete the settings of wireless network connections from your computer Take a computer that runs Windows XP as an example To delete the settings of wireless network conne...

Страница 73: ...8 FAQs WS325 300Mbps Wireless Router User Guide 8 4 Issue 01 2012 10 26 2 In the navigation tree choose Basic WLAN 3 Select SSID1 for SSID Index 4 Select OPEN for Security 5 Click Submit End ...

Страница 74: ...HUAWEI TECHNOLOGIES CO LTD Huawei Industrial Base Bantian Longgang Shenzhen 518129 People s Republic of China www huaweidevice com Part Number 202549 ...

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