Ericsson W21 manual

Ericsson W21 Fixed Wireless Terminal for WCDMA/HSDPA Mobile Networks User's Guide Software Release 1.4 (R10)[...]

Ericsson W21 Fixed Wireless Terminal for WCDMA/HSDPA Mobile Networks User's Guide . Copyright © Ericsson AB 2007, 2008 – All Rights Reserved Disclaimer No part of this document may be reproduced in any form without the written permission of the copyright owner. The contents of this document are subject to revision without notice due t o con[...]

Introduction Contents 1 Introduction 4 1.1 Structure of this Guide 4 1.2 Product Overview 5 1.2.1 Indicators 6 1.2.2 Connectors 7 2 Configuration and Management 8 2.1 Access and Login to the Web User Interface 8 2.1.1 Inactivity Timeout 9 2.2 Overview 10 2.2.1 Change Default Password 11 2.2.2 Alarms 11 2.2.3 Network Information 12 2.3 Configuration[...]

Introduction 2.6.2 Region 37 2.6.3 Radio Channel 37 2.6.4 Transit Power [dBm] 37 2.6.5 Scan for Wireless Networks 37 2.6.6 Network Name (SSID) 38 2.6.7 WLAN Security 39 2.6.8 Connected Devices 41 2.6.9 Whitelist 41 2.7 NAT 43 2.7.1 UPnP IGD 43 2.7.2 Application Level Gateways 44 2.7.3 Port Forwarding 44 2.8 File and Printer Sharing 48 2.8.1 How it [...]

Introduction 3.2.3 Configure Access to the Ericsson W21 64 3.3 Sharing Settings 64 3.3.1 Check Workgroup Settings 65 3.3.2 Access a Shared Storage Device 66 3.3.3 Set Up a Connection to a Shared Storage Device 66 3.3.4 Access a Shared Printer 67 4 Troubleshooting 70 4.1 Restart the Ericsson W21 70 4.2 Reset the Ericsson W21 to Factory Default Setti[...]

Introduction 1 Introduction This chapter describes the structure of this guide and gives a brief product overview. 1.1 S tructure of this Guide This User’s Guide contains information that is needed to configure and manage the Ericsson W21 Fixed Wireless Terminal (FWT). The following chapters are included: • Chapter 1 – “Introduction” – [...]

Introduction 1.2 Product Overview The Ericsson W21 is an advanced small office and home router with wireless Internet access. The key benefits of the product are: • Wireless Broadband Services at Reliable High Speed The Ericsson W21 uses WCDMA/HSDPA radio access to pro vide high- speed data capabilities to the local n etwork. • Advanced Network[...]

Introduction 1.2.1 Indicators The Ericsson W21 is equipped with five status in dicators located on the front panel of the unit. A general description of each indicato r is provided in the following table (from top to bottom): T able 1 Front Panel Indicators Text Status Description Green Unlit Mains powered. Power is off. Power Connection to a UMTS [...]

1.2.2 Connectors The connectors on the Ericsson W21 are positioned as show n in the following illustration: Figure 2 - Connectors' panel A description of each connector is provided in the table below : T able 2 Connectors Label Description Power input for connecting the provided power supply adapter. 10-28 VDC Button used to restore the Ericss[...]

Configuration and Management 2 Configuration and Management When the physical installation of the Ericsson W21 is finishe d (as described in the Quick Installation Guide ), the internal Web User Interface (WUI) is available for configuration and status control. This chapter provides detailed information about configuration and management of the Eri[...]

Configuration and Management The WUI is available in five languages; English, German, Spanish, French and Italian. Click on corresponding country flag to change to the preferred language. The preconfigured login “User name” and “Password” is both user . You are recommended to change the password, see section 2.2.1 – Change Default Passwor[...]

Configuration and Management 2.2 Overview The Overview page gives an overview of the settings on the Ericsson W21 as described below. Figure 6 - Overview page The Overview page provides the following functions: • The possibility to change password using the Change Pass word button in the upper right corner. See section 2.2.1 – Change Default Pa[...]

Configuration and Management • The “NETWORK INFORMATION” section where the most important connection status information is collected. This information (among others) is also found on the Internet and LAN web pages respectively. Each page in the WUI also includes a Logout button (above the left-hand menu). 2.2.1 Change Default Password For sec[...]

Configuration and Management Events that generate an alarm are such that make it impossible to send or receive data, e.g. SIM card missing. If there are no alarms currently detected the text " No alarms detected " is displayed. If an alarm is detected, the Alarm indicator on the Ericsson W21 front panel is lit (red), and the corresponding[...]

Configuration and Management T able 4 - Network information (Intern et) description Text/symbol Description The mobile network (UMTS or GSM) signal quality available at the Ericsson W21 location. This s ignal quality affects the performance of the unit. If two or more bars are green, the connection is usually acceptable. The IP address automaticall[...]

Configuration and Management 2.3 Configuration Wizard The Configuration Wizard guides you step by step through the basic setup of the mobile network connection and optionally for the Wireless LAN access point. Note: Throughout the wizard web-pages, only enter details that you have received from your service provi der and leave other fields empty. C[...]

Configuration and Management Normally, you have to enter the PIN to activate the Ericsson W21 data services. In some cases however, authentication is not required and it is possible to use the services without entering any PIN. Type the PIN in the “PIN” field. Thereafter, you can select the “Remem ber my PIN” check box. This makes SIM authe[...]

Configuration and Management 2.3.1.3 PPP User Authentication The PPP (Point-to-Point Protocol) Internet mode may require individual user authentication. Note: If you have not received any PPP Aut hentication details from your service provider, leave the fields empty and click Next . Figure 10 - Internet Acce ss: PPP User Authentication page Type th[...]

Configuration and Management Figure 1 1 - Wireless LAN: WLAN Access Point page To enable connection of one or more wireless devices to the Ericsson W21, select the “Enable WLAN” check box. Click Next to proceed. Note: The WLAN interface will not be activated until the complete configuration details are entered. If you are not going to set up an[...]

Configuration and Management To confirm the settings and close the Configuration Wizard, click the Finish button. You can use the Previous button to go back to previous pages and check your settings and/or make changes. If you click the Cancel button, the Configuration Wizard closes and no changes are saved. 2.3.2.2 Region To make sure the Ericsson[...]

Configuration and Management Figure 14 - Wireless LA N: Radio Channel page Select either “Auto” (recommended) or a specific channel number from the “Radio channel” drop-down list. Click Next to proceed. 2.3.2.4 Network Name All devices on the local wireless network share a common Service Set IDentifier (SSID) or network name. This name is r[...]

Configuration and Management Figure 15 - Wireless LAN: Network Name (SSID) p age The network name is case-sensitive (distinguish between uppercase and lowercase letters) and can be changed to any combination of numbers (0 – 9), letters (a – z), and hyphens (-) with a maximum length of 32 characters. If the SSID broadcast option is enabled, your[...]

Configuration and Management Figure 16 - Wireless LA N: Authentication p age Select one of the authentication methods from the “Authentication” drop- down list. The available options are as follows: • None ; f you select “None” as authentication method no client configuration is needed but be aware of that the WLAN will now be open withou[...]

Configuration and Management 2.3.3.1 None If you select “None”, the last page of the wizard, where you can review and confirm your settings, is displayed: Figure 17 - Configuration Wizard Confirm ation page To confirm the settings and close the Configuration Wizard, click the Finish button. You can use the Previous button to go back to previous[...]

Configuration and Management Figure 18 – Wireless LA N: WEP (64 BIT) p age Figure 19 – Wireless LA N: WEP (128 BIT) p age Enter an encryption key in the “Encryption key:” field. Click Next to proceed. 2.3.3.3 WPA/WPA2 Passphrase WPA and WPA2 authentication and encryption require a passphrase. Each device on your wireless network has to be c[...]

Configuration and Management A WPA or WPA2 passphrase is case sensitive and consists of between 8 and 63 optional characters. It is recommended that the passphrase contains at least 20 characters. Figure 20 – Wireless LA N: WP A page Figure 21 – Wireless LA N: WP A2 page Type a unique passphrase in the “Passphrase” field. Note: Avoid using [...]

Configuration and Management 2.3.4 Configuration Wizard Confirmation On the last page of the Configuration Wizard, the Internet and Wireless LAN settings are displayed: Figure 22 - Configuration Wizard Confirm ation page To confirm the settings and close the Configuration Wizard, click the Finish button. You can use the Previous button to go back t[...]

Configuration and Management 2.4 Internet The Internet web page includes status information and settings for the connection to the mobile network: Figure 23 - Internet page 26 1/1551-CRH 102 167 Uen Rev E 2008-02 -15[...]

Configuration and Management 2.4.1 Mobile Network Connection Det ails The Ericsson W21 connects to the UMTS (3G) network when it is available and uses the GSM/GPRS/EDGE (2G) network as fall-back. The following information is displayed regarding the connection to the mobile network: T able 6 - Mobile Network connection details Text/symbol Descriptio[...]

Configuration and Management 2.4.2 T raffic St atistics The “TRAFFIC STATISTICS” section includes information about the following items: T able 7 - T raffic S tatistics descriptio n Text Description The total size (and number) of transmitted/received data packets. Transmitted / Received The number of invalid data packets. Error The number of pa[...]

Configuration and Management If enabled, the APN (Access Point Name) is automatically configured based on information on the SIM card. Auto APN The 3G Access Point Name, which is a reference to the UMTS Internet access point on the service provider’s network. The APN usually has the format <name.service_provider.country>. APN (3G) The 2G Ac[...]

Configuration and Management Type the PUK code in the “PUK” field and type a new PIN code in the “New PIN” and “Retype new PIN” fields. Click OK to save the settings. Note: If ten attempts have been made with an incorrect PUK, the SIM card is permanently blocked, and a new SIM card is required. 2.4.3.2 Unlock Operator Lock If the SIM ca[...]

Configuration and Management Figure 26 - Change PIN page Type the current and new PIN in the corresponding fields and click OK to save the settings. 2.4.4 Cellular Band Selection The “CELLULAR BAND SELECTION” section includes settings for manually selection of the frequency bands to use. T able 9 – Cellular band selection details Text Descrip[...]

Configuration and Management 2.5 LAN The LAN (Local Area Network) page includes settings for the connection between the Ericsson W21 and other local devices, traffic statistics as w ell as status on the physical LAN ports. Figure 27 - LAN page 2.5.1 LAN IP Address The LAN IP address and subnet mask of the Ericsson W21 is used for connections to cli[...]

Configuration and Management T able 10 - L AN page description Text Description The LAN IP address of the Ericsson W21. IP address The subnet mask, which determines the range of IP addresses on the subnet. Subnet mask The LAN IP address and subnet mask can be changed, but before you do this, consider the following: • Make sure that the new addres[...]

Configuration and Management T able 1 1 - DHCP Server configuration options Text Description Select this checkbox to enable the DHCP server. Enable DHCP server Note: If you already have a DHCP server on your network, you should disable this feature in the Ericsson W21. IP address range from: The IP addresses that can be assigned to LAN/WLAN clients[...]

Configuration and Management 2.5.3 T raffic St atistics The following information is displayed in the “TRAFFIC STATISTICS” section on the LAN page: T able 12 - LAN T raffic S tatistics description Text Description The total size (and number) of transmitted data packets on the LAN. Transmitted The total size (and number) of received data packets[...]

Configuration and Management 2.6 Wireless LAN A Wireless LAN (WLAN) is a local network that communicates through wireless connections. The Ericsson W21 can be used as a WLAN Access Point ( AP), connecting to wireless PCs according to the IEEE standard 802.11b/g, providing Internet and LAN access. The WLAN settings are displayed on the Wireless LAN [...]

Configuration and Management 2.6.2 Region Wireless devices are thoroughly regulated and the countries have slightly different regulations. Therefore, the geographical region where the Ericsson W21 is used must be stated to make sure the correct radio frequencies a re used when transmitting data. Select the geographical region in which you reside fr[...]

Configuration and Management Figure 30 - Scan for wireless networks p age The list displays the following information about wireless networks that ar e nearby: T able 13 - Scan for wireless networks description Text Description The MAC address of the access point for the WLAN. MAC Address The network name (SSID) of the WLAN. Network Name The radio [...]

Configuration and Management The following settings concerning the network name are displayed and can be modified on the Wireless LAN page: T able 14 - Network name description Text Description The network name (SSID) of the WLAN. Network name (SSID) The network name is case-sensitive (distinguish between uppercase and lowercase letters) and can be[...]

Configuration and Management 2.6.7.1 None If you select “None” as authentication method no client configuration is needed but be aware of that the WLAN will now be open without any kind of security. For example, it is now possible for anyone with a computer and a wireless interface card to connect to the Ericsson W21 at any time and having acce[...]

Configuration and Management characters. It is recommended that the passphrase contains at least 20 characters. Enter a passphrase in the “Passphrase / Key” field and click Apply to save the settings. Note: Avoid using special characters (such as :, “ and ¤ ) when entering a passphrase. 2.6.8 Connected Devices The “CONNECTED DEVICES” lis[...]

Configuration and Management 2.6.9.2 Find a Wireless Client MAC Address The MAC address for a WLAN adapter is normally found on the product label. For internal wireless PCI cards running on Windows platform, the command ipconfig /all (run from a Command Prompt window) can be used to display the MAC address (displayed as “Physical Address” again[...]

Configuration and Management 2.7 NA T The Ericsson W21 includes a NAT (Network Address Translation) service. With this service several computers on a LAN/WLAN can share the same Internet connection using a single public IP addr ess. Devices on the LAN/WLAN use dedicated private IP addresses, which cannot be used on the Internet. When a computer on [...]

Configuration and Management applications and the local network. When UPnP IGD is enabled, programs like MSN Messenger ® and most network enabled games are allowed to pass the NAT service. UPnP IGD is enabled by default, but if you want to disable the feature, clear the “Enable UPnP IGD” check box and click Apply to save the setting. 2.7.2 App[...]

Configuration and Management allowed. For more information on public and private IP addresses, contact your service provider. When a computer on the Internet sends data to the public IP address o f Ericsson W21, it needs to know what to do with the data. A port forwarding rule tells the Ericsson W21 which computer on the local are a network to send[...]

Configuration and Management Select a “Protocol” from the drop-down list and type the appropriate values in “NAT Port”, “Server IP”, and “Server Port” fields and click Apply to save the settings. Below are some examples of common applications and corresponding Server Port they use for network access. The NAT port has often the same [...]

Configuration and Management Figure 33 - Port forwarding example 2.7.3.3 Edit Port Forwarding Rule To edit a port forwarding rule, click Edit next to the rule to edit. The Edit Port forwarding page is displayed: Figure 34 - Edit Port forwarding page Change one or more value(s) in the “Protocol”, “NAT Port”, “Server IP”, or “Server Por[...]

Configuration and Management 2.8 File and Printer Sharing The Ericsson W21 supports local ne twork storage and printer sharing. It is possible to have two USB storage devices or one USB storage device and one USB printer connected to the Ericsson W21 at the same time. If an external hub is connected, the Ericsson W21 supports connection of up t o t[...]

Configuration and Management automatically creates configuration files for Samba containing the new device. The Ericsson W21 then makes the smb service use the new configuration, thereby sharing the USB device via the SMB/CIFS protocol. This process is totally automatic and there are not configuration parameters that can be set, other than renaming[...]

Configuration and Management The file system on a shared partition needs to be of a support ed type; otherwise the automatic mounting of the device will not work. Currently the supported types are: • FAT ; Microsoft legacy file system from MS-DOS with 8.3 character filename • FAT32 ; Microsoft Windows 95 file system based on FAT but with long f[...]

Configuration and Management T able 19 - Shared printer description Text Description The manufacturer’s name of the printer. Printer The name of the shared printer used when accessing it from a PC on the LAN/WLAN. Share name To give a network printer a specific name, type a name in the “Share name” field and click Apply to save the setting. N[...]

Configuration and Management 2.9 System The System page includes system information and management functions, used to update and restore the Ericsson W21. Figure 36 - System p age 52 1/1551-CRH 102 167 Uen Rev E 2008-02 -15[...]

Configuration and Management 2.9.1 Basic System Information The table on top of the page includes basic syst em informati on about the Ericsson W21. The following information is displayed: T able 20 – Basic System Information Text Description The product name. Product The product identification. Product Id: The unique serial number of the unit. S[...]

Configuration and Management Follow the instructions on the screen to select a location for the configuration file. Note: Do not modify a configuration file. If you do, the file might be invalid and not accepted if you want to make a restore. All configuration changes should be made on the web pages. 2.9.2.2 Restore from Backup File If you wish to [...]

Configuration and Management Figure 38 - Rest art Progress Message When the restart is completed you have make a new login to the WUI. Type http://192.168.1.1 in the Address (URL) field to display the User login page. 2.9.4 Sof tw are Up date New Ericsson W21 software versions can be either automatically or manually installed. 2.9.4.1 Automatic Sof[...]

Configuration and Management Figure 39 - Sof tware update check Click For a description of the updat e please follow this link to g et information about the available software version or click Yes to install the new version. When you click Yes the update process is initiated and the following pag e is displayed: Figure 40 - Sof tware Update initiat[...]

Configuration and Management Figure 41 - Sof tware update initiated page Wait until the following page is displayed: Figure 42 - Sof tware update complete page Click the Restart button 2.9.5 Factory Reset The Ericsson W21 configuration can be reset to its factory default setting s from the System page. Note: If the WUI is not accessible, a reset to[...]

Configuration and Management Click OK to start the reset or Cancel to abort the reset and return to the System page. When a reset has been performed, the following confirmation window is displayed: Figure 43 - Factory Reset Confirmation Click OK to return to the System page. 58 1/1551-CRH 102 167 Uen Rev E 2008-02 -15[...]

Configuration and Management 2.10 Event Log On the Event Log page, a list of the events that has been sent to the Ericsson W21 log is displayed: Figure 44 - Event Log page Each row in the log list displays the time and date when an event was reported to the log, the type of the event, and a brief statement indicating its cause. Note: If the actual [...]

Configuration and Management The system logging information is written to 3 files in the system and these files are rotated in a circular fashion. The files ar e not saved to flash memory and will be lost when rebooti ng the system or when power is disconnected. To view only a selection of the log events in the list, select a filter level from the [...]

PC Configuration 3 PC Configuration The connection to the Ericsson W21 may require specific PC configuration. This chapter includes instructions on how to configure Internet Protocol (IP) settings, establish wireless conne ction(s) with the Ericsson W21 and access a shared network printer. The descriptio ns include examples from Windows XP and 2000[...]

PC Configuration 4. Select Internet Protocol TCP/IP and ensure that the check box beside the text is selected. Click Properties . 5. In the Internet Protocol (TCP/IP) Properties window, select Obtain an IP address automatically and Obtain DNS server address automatically. 6. Click OK twice to confirm your changes and close the windows, and then clo[...]

PC Configuration 10. In the Network and Dial-up Connections window, right-click the Local Area Connection icon, and then click Properties . 11. Select Internet Protocol TCP/IP and ensure that the check box beside the text is selected. Click Properties . 12. In the Internet Protocol (TCP/IP) Properties window, select Obtain an IP address automatical[...]

PC Configuration 3.2.2 Inst all the Wireless LAN Interface Each PC on your Wireless LAN must be fitted with a Wireless LAN interface, such as a wireless network card. You also have to install the corresponding driver files for your particular Wireless LAN interface on your PC. The driver files and instructions on how to install them are provided to[...]

PC Configuration In some cases, you have to make sure that your PC belongs to the same workgroup as the Ericsson W21. Follow the instructions in the next section to check the workgroup on your PC. 3.3.1 Check Workgroup Settings The following sections include instructions on ho w to check the workgroup settings on a PC using Windows XP or 2000. 3.3.[...]

PC Configuration 2. Double-click the System icon. The System Properties window is displayed. 3. On the Network Identification tab, click Properties . The Identification Changes window is displayed. 4. Make sure that Workgroup is selected in the Member of section and that the name of the workgroup is exactly the same as on the Ericsson W21 Sharing p[...]

PC Configuration 1. In the Windows task bar, click the Start button, and then click My Computer . The My Computer window is displayed. 2. From the Tools menu, select Map Network Drive… . The My Network Drive window is displayed. 3. Select a drive that is not already used from the Drive drop-down menu. 4. In the Folder field, type <host_name&[...]

PC Configuration The Ericsson W21 supports two protocols for printing: Samba and RAW. The protocol that is used may vary depending on printer and manufacturer. It also affects how to access the printer via the Ericsson W21. The following sections include instru ctions on how to access a shared printer from a PC using Windows XP or 2000. 3.3.4.1 Pri[...]

PC Configuration 3. Select Add a printer . The Add Printer Wizard appears. Click Next> to proceed. 4. In the Local or Network Printer window, select Local printer attached to this computer and click Next> . 5. In the Select a Printer Port window, check Create a new port and from the Type of port drop-down list select Standard TCP/IP Port . Cl[...]

Troubleshooting 4 Troubleshooting This chapter describes how to solve a number of issues that could occur during installation, configuration, and use of the Ericsson W21. More information is available at www.ericsson.com/fwt . Before you try any of the methods described in this chapter, make sure that the connected cables are securely inserted and [...]

Troubleshooting 2. Wait until the Power LED stops blinking which indicates that the reset is finished. Note: A reset to factory default configuration cannot be undone. If you reset the Ericsson W21 to default configuration, all your previous configuration changes are replaced. If you have previously changed the user name and password, the User Logi[...]

Troubleshooting Indication/Symptom What to do Make sure you are using the correct login details. If the default password has been changed and you do not know the current password, use the Reset button to reset the Ericsson W21 to factory default configuration (see section 4.2 ). This will reset the login details to default values (“User name” u[...]

Troubleshooting Indication/Symptom What to do On the Internet page, verify that the mobile network signal quality indicator displays at least two bars. If not, try to move the Ericsson W21 or attach an external antenna. The Internet connection is unacceptable slow or regularly dropping. On the Internet page, verify that the Connection is HSDPA or U[...]

Troubleshooting TCP Receive Window = 146000 Selective ACK:s = Yes Max Duplicate ACK:s = 2 RFC1323 TCP Window Scaling = Yes Note: Windows Vista and recent versions of Linux kernels have automatic window scaling enabled by default and should not need any TCP tweaking. 4.5 Wireless LAN Connection T able 23 Wireless LAN Indication/Symptom What to do Ch[...]

Troubleshooting Indication/Symptom What to do the wireless client are the same. Note that the network name is case- sensitive. Verify that the operating system and Wireless LAN interface of the client supports the authentication and encryption method (WEP 64- bit, WEP 128-bit, WPA, or WPA2) configured on the Ericsson W21. These settings are display[...]

Troubleshooting Indication/Symptom What to do network does not use the same radio channel as other wireless devices in the premises, for example security systems. The radio channel is displayed on the Wireless LAN page. To avoid interference, let the Ericsson W21 select a channel automatically ( Auto ) or manually change the radio channel currently[...]

• Make sure that the PC belongs to the same workgroup as the Ericsson W21. For instructions, see section 3.3.1 – Check Workgroup Settings . The Ericsson W21 workgroup is displayed on the Sharing web page. • If you have problems accessing a printer, make sure that the printer drivers are correctly installed on the PC. 1/1551-CRH 102 167 Uen Re[...]

Glossary Glossary 802.11b An IEEE standard for a wireless network that operates at 2.4 GHz with rates up to 11 Mbps. Association Describes the establishment and maintenance of a wireless link between devices. (If security is enabled, the devices cannot do anything but exchange security credentials with this link). See Authentication. 802.11g An IEE[...]

Glossary network devices with a variety of information, such as IP addresses, required for their operation. GPRS – General Packet Radio Service A packet-based mobile communications system building on GSM. Advantages over standard GSM include higher data transmission speeds, more efficient use of radio resources and continuous connection to the ne[...]

Glossary serial number unique to every mobile device. The IMEI number is used by the mobile network to identify valid devices. IP – Internet Protocol A part of a suite of protocols that effectively defines the Internet as we know it. Specifies addressing and control information for routing data packets over networks. IP address The address of a h[...]

Glossary used to carry IP (and other protocol) data between the service provider and your computer. Private IP Address A private IP Address is typically assigned to a client on a LAN (Local Area Network) and is not used outside the LAN. Private IP addresses are typically used when multiple computers share the same Internet connection. Protocol A se[...]

Glossary TCP is responsible for dividing data up into packets for delivery and reassembling them at the destination. IP is responsible f or delivering the packets from source to destination. When TCP and IP are bundled with higher-level applications such as HTTP, FTP, Telnet, and so on, TCP/IP refers to this whole suite of protocols. TFTP – Trivi[...]

Glossary stronger data encryption method; TKIP. WPA data encryption is based on a WPA master key. The master key is derived from the passphrase and the network name (SSID) of the device. WPA2 – Wi-Fi Protected Access 2 An enhanced version of WPA. For data encryption, WPA2 uses AES instead of TKIP. WUI – Web User Interface In Ericsson W21 the WU[...]

Ericsson Enterprise AB © Ericsson AB 2007, 2008 - All Rights Reserved www.ericsson.com 1/1551-CRH 102 167 Uen Rev E 2008-02-15[...]