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LANCOM 1811n Wireless
LANCOM 1821n Wireless
Handbuch
Manual
y o u r
b u s i n e s s

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Summary of Contents for Lancom 1821n Wireless

  • Page 1 . . . c o n n e c t i n g y o u r b u s i n e s s LANCOM 1811n Wireless LANCOM 1821n Wireless Handbuch Manual...
  • Page 2 LANCOM 1811n Wireless LANCOM 1821n Wireless...
  • Page 3 The reproduction and distribution of the documentation and software supplied with this product and the use of its contents is subject to written authorization from LANCOM Systems. We reserve the right to make any alterations that arise as the result of technical development.
  • Page 4 Preface Thank you for your confidence in us! With LANCOM 1811n Wireless and LANCOM 1821n Wireless you have chosen a powerful wireless router that possesses integrated DSL respectively ADSL and ISDN interfaces by default as well as an integrated 4-port switch.
  • Page 5 Passages applying only to certain models are identified either in the text itself restrictions or by a comment in the margin. Otherwise the documentation refers to all models collectively as the LANCOM Wireless Router series. Security settings To maximize the security available from your product, we recommend that you undertake all of the security settings (e.g.
  • Page 6 CD supplied) describes all of the parameters in LCOS, the operating system used by LANCOM products. This guide is an aid to users during the configu- ration of devices by means of WEBconfig or the telnet console.
  • Page 7 LANCOM 1811n Wireless – LANCOM 1821n Wireless Preface Information symbols Very important instructions. Failure to observe these may result in damage.  Important instruction that should be observed.  Additional information that may be helpful but is not essential. ...
  • Page 8: Table Of Contents

    LANCOM 1811n Wireless – LANCOM 1821n Wireless Contents Contents 1 Introduction 1.1 What is a wireless LAN? 1.1.1 Modes of operation of wireless LANs and access points 1.2 Wireless LANs in accordance with 802.11n 1.2.1 Advantages of 802.11n 1.2.2 Compatibility with other standards 1.2.3 The physical layer...
  • Page 9 LANCOM 1811n Wireless – LANCOM 1821n Wireless Contents 4 Setting up Internet access 4.1 The Internet Connection Wizard 4.1.1 Instructions for LANconfig 4.1.2 Instructions for WEBconfig 5 Connecting two networks 5.1 Which details are necessary? 5.1.1 General information 5.1.2 Settings for the TCP/IP router 5.1.3 Settings for NetBIOS routing...
  • Page 10 LANCOM 1811n Wireless – LANCOM 1821n Wireless Contents 8 Security settings 8.1 Security in the wireless LAN 8.1.1 Encrypted data transfer 8.1.2 802.1x / EAP 8.1.3 LANCOM Enhanced Passphrase Security 8.1.4 Access control by MAC address 8.1.5 IPSec over WLAN 8.2 Tips for the proper treatment of keys and passphrases...
  • Page 11: Introduction

    Chapter 1: Introduction 1 Introduction The models of the LANCOM Router series offer each a DSL or ADSL connector and also an ISDN connector. The ISDN line can be used as back-up for the DSL connection, for remote management of the router or as basis for the office communication via LANCAPI.
  • Page 12: Modes Of Operation Of Wireless Lans And Access Points

    Apart from that, wireless LANs can also be used for connections over longer distances. Expensive leased lines and the associated construction measures can be saved. LANCOM Wireless Routers and LANCOM Access Points can be opera-  ted either as self-sufficient Access Points with their own configuration (WLAN modules in "Access Point mode“) or as components in a WLAN...
  • Page 13: Advantages Of 802.11N

    LANCOM 1811n Wireless – LANCOM 1821n Wireless Chapter 1: Introduction technical developments that promise up to six-times the performance in wire- less LANs. Some of the improvements refer to the physical layer (PHY), which describes the transmission of individual bits over the physical medium—in this case the air represents the physical medium.
  • Page 14: Compatibility With Other Standards

    LANCOM 1811n Wireless – LANCOM 1821n Wireless Chapter 1: Introduction 1.2.2 Compatibility with other standards The 802.11n standard is backwardly compatible to previous standards (IEEE 802.11a/b/g). However, some of the advantages of the new technology are only available when, in addition to the access points, the wireless LAN cli- ents are also compatible with 802.11n.
  • Page 15 LANCOM 1811n Wireless – LANCOM 1821n Wireless Chapter 1: Introduction IEEE 802.11a/b/g: IEEE 802.11n: 48 carrier signals 52 carrier signals 20 MHz 20 MHz Payload data rate: Airborne data transmission is fundamentally unreli- able. Even small glitches in the WLAN system can result in errors in data transmission.
  • Page 16 LANCOM 1811n Wireless – LANCOM 1821n Wireless Chapter 1: Introduction For example, the Access Point splits the data into two groups which are then sent simultaneously via separate antennas to the WLAN client. Data through- put can therefore be doubled using two transmitting and receiving antennas.
  • Page 17 LANCOM 1811n Wireless – LANCOM 1821n Wireless Chapter 1: Introduction above, it is virtually impossible to transmit different signals on the same chan- nel simultaneously as the receiver cannot distinguish between them. MIMO uses the reflection of electromagnetic waves and the associated spatial aspect to obtain a third criterion for identifying the signals.
  • Page 18 This method was used in the past by a number of manufacturers (including LANCOM Systems) and was referred to as "turbo mode", allowing data rates of up to 108 Mbps. Turbo mode does not form part of the official IEEE stan-...
  • Page 19 LANCOM 1811n Wireless – LANCOM 1821n Wireless Chapter 1: Introduction dard but is frequently employed on point-to-point connections, for example, because compatibility to other manufacturers tends to play a secondary role. However, the success of the underlying technology has lead to its incorpora- tion into 802.11n.
  • Page 20: The Mac Layer

    LANCOM 1811n Wireless – LANCOM 1821n Wireless Chapter 1: Introduction 0.8 μs. 802.11n reduces the break between transmissions to the so-called "short guard interval" of only 0.4 μs. OFDM Symbol 3,2 μs 0,8 μs Payload data 3,2 μs 0,4 μs...
  • Page 21 LANCOM 1811n Wireless – LANCOM 1821n Wireless Chapter 1: Introduction As information such as MAC address only needs to be transmitted once for the aggregated frame, only those data packets intended for the same address can be combined. All data packets that are to be combined into a single large frame must be available at the sender at the time of aggregation—as a consequence...
  • Page 22: What Can Your Lancom Wireless Router Do

    LANCOM 1811n Wireless – LANCOM 1821n Wireless Chapter 1: Introduction What can your LANCOM Wireless Router do? The following table contains a direct comparison of the properties and func- tions of your devices with other models Applications ✔ ✔ Expansion of the LAN through WLAN (infrastructure mode) ✔...
  • Page 23 LANCOM 1811n Wireless – LANCOM 1821n Wireless Chapter 1: Introduction ✔ ✔ Layer-2-QoS-Tagging ✔ ✔ ISDN leased lines ✔ ✔ LANCAPI server to provide office applications such as fax or answering machine via the ISDN interface. WLAN ✔ ✔ Wireless transmission compliant with IEEE 802.11g and IEEE 802.11b ✔...
  • Page 24 LANCOM 1811n Wireless – LANCOM 1821n Wireless Chapter 1: Introduction ✔ ✔ Integrated RADIUS server ✔ ✔ VLAN ✔ ✔ QoS für WLAN (IEEE 802.11e, WMM/WME) WAN connections ✔ ✔ Connection for DSL or cable modem ✔ Integrated ADSL modem (ADSL2+ ready) ✔...
  • Page 25 ✔ ✔ FirmSafe for no-risk firmware updates Optional software extensions ✔ ✔ LANCOM VPN Option with 25 active tunnels for protection of network couplings and hardware acceleration ✔ ✔ LANCOM Public Spot Option ✔ ✔ LANCOM Next Buiness Day Service Extension CPE, item no. 61411 ✔...
  • Page 26: Installation

    LANCOM 1811n Wireless – LANCOM 1821n Wireless Chapter 2: Installation 2 Installation This chapter will assist you to quickly install hardware and software. First, check the package contents and system requirements. The device can be installed and configured quickly and easily if all prerequisites are fulfilled.
  • Page 27: System Requirements

    This allows router settings and VPN settings to be adjusted locally, for example in a branch office or home office installa- tion, and the WLAN configuration is regulated by a LANCOM WLAN Controller at the main office.
  • Page 28 LANCOM 1811n Wireless – LANCOM 1821n Wireless Chapter 2: Installation Flickering means, that the LED is switched on and off in irregular inter- vals. Front side The LANCOM Wireless Routers have status displays on the front panel. LANCOM 1811n ³ · »...
  • Page 29 The power LED blinks alternately in red/green until a configuration  password has been set. Without a configuration password, the confi- guration data in the LANCOM is unprotected. Normally you would set a configuration password during the basic configuration (instructions in the following chapter). Information about setting a configuration password at a later time is available in the section 'The Security Wizard'.
  • Page 30 LANCOM 1811n Wireless – LANCOM 1821n Wireless Chapter 2: Installation The power LED is blinking and no connection can be made? Signal that a charge or time If the power LED blinks red and no WAN connections can be limit has been established, there is no cause for concern.
  • Page 31 LANCOM 1811n Wireless – LANCOM 1821n Wireless Chapter 2: Installation » WAN Status Connection status of the WAN connection: (only LANCOM 1811n not connected Wireless) green blinking Establishing first connection green invers flashing Establishing further connection green constantly on At least one connection established...
  • Page 32 LANCOM 1811n Wireless – LANCOM 1821n Wireless Chapter 2: Installation ¶ ISDN status Information on connection status at the ISDN S connector: Not connected or no S voltage (no error message) Green Blinking D-channel initialization (establishing contact to provider) Green...
  • Page 33 LANCOM 1811n Wireless – LANCOM 1821n Wireless Chapter 2: Installation The following can be displayed for WLAN link: No WLAN network defined or WLAN module deactiva- ted. The WLAN module is not transmitting beacons. Green At least one WLAN network is defined and WLAN module activated.
  • Page 34: Device Connectors

    ¶ ² º ¾ µ ³ Connector for antenna 1 (LANCOM 1811n Wireless) respectively antenna 3 (LANCOM 1821n Wireless) in MIMO mode. · Connection for the included power adapter Antenna 2 is an internal antenna that does not have an external con- ...
  • Page 35  tings are lost. If possible be sure to backup the current device confi- guration before resetting. After resetting, the LANCOM Access Point returns to managed mode,  in which case the configuration cannot be directly accessed via the WLAN interface!
  • Page 36: Hardware Installation

    LAN according to EIRP in the country in question may not be exceeded. The system operator is responsible for adhering to the threshold values. LAN – First connect the LANCOM Router base station to your LAN or to an individual PC. For that purpose, plug the included network cable (green »...
  • Page 37 ADSL – connect the ADSL interface to the splitter using the supplied ADSL connector cable (transparent plugs). ISDN – to connect the LANCOM Router to the ISDN, plug one end of the ´ supplied ISDN connector cable (light blue plugs) in the ISDN/S...
  • Page 38: Software Installation

    Chapter 2: Installation Software installation The following section describes the installation of the Windows-compatible system software LANtools, as supplied. You may skip this section if you use your LANCOM Wireless Router  exclusively with computers running operating systems other than Windows.
  • Page 39: Which Software Should I Install

    Chapter 2: Installation 2.5.2 Which software should I install? LANconfig is the Windows configuration program for all LANCOM rou- ters and LANCOM access points. WEBconfig can be used alternatively or in addition via a web browser. With LANmonitor you can use a Windows computer to monitor all of your LANCOM routers and LANCOM access points.
  • Page 40: Basic Configuration

    Details you will need The Basic Settings Wizard is used to set the LANCOM Wireless Routers basic TCP/IP parameters and to protect the device with a configuration password. The following description of the information required by the wizard is divided...
  • Page 41 This usually happens in the fol- lowing situations: Only a single PC is going to be attached to the LANCOM Wireless Router Setting up a new network Fully automatic TCP/IP configuration will not be offered if you are integrating the LANCOM Wireless Router into an existing TCP/IP LAN.
  • Page 42: Configuration Protection

    DHCP server; no address information is required. IP address and network mask for the LANCOM Wireless Router Assign the LANCOM Wireless Router a free IP address from your LAN's address range and enter the network mask. Gateway address...
  • Page 43: Settings For The Wireless Lan

    In the 5 GHz band the automatic setting, where the LANCOM Access Point uses TPC and DFS to select the best channel is normally sufficient.
  • Page 44: Settings For The Isdn Connection

    If you operate the LANCOM Router on a DSL link that is charged on a time basis you can set the maximum connection time in minutes. The budget can be completely deactivated by entering a value of '0'.
  • Page 45 If the Setup Wizard does not start automatically, you can manually  search for new devices at all interfaces (if the LANCOM Wireless Rou- ter is connected via the serial configuration interface) or in the net- work (File Find devices).
  • Page 46: Instructions For Webconfig

    Instructions for WEBconfig Device settings can be configured from any Web browser. WEBconfig configu- ration software is an integral component of the LANCOM. A Web browser is all that is required to access WEBconfig. WEBconfig offers similar Setup Wizards to LANconfig and hence provides the perfect conditions for easy con- figuration of the LANCOM –...
  • Page 47 Windows Me or Windows 9x, or with command ifconfig in the console under Linux). In this case, the LANCOM can be accessed with address x.x.x.254 (the “x”s stand for the first three...
  • Page 48 "search for other devices" option from any other networked LANCOM. Use suitable tools to find out the IP address assigned to the LANCOM by DHCP and access the device directly using this IP address. Use the serial configuration interface to connect a computer running a terminal program to the device.
  • Page 49 LANCOM 1811n Wireless – LANCOM 1821n Wireless Chapter 3: Basic configuration As an alternative, the login dialog provides a link for an encrypted  connection over HTTPS. Always use the HTTPS connection for increa- sed security whenever possible. Setup Wizards The setup Wizards allow quick and easy configuration of the most common device settings.
  • Page 50: Tcp/Ip Settings For Pc Workstations

    Manual IP address assignment If IP addresses in a network are statically assigned, then the IP address of the LANCOM is to be set as the standard gateway and DNS server in the TCP/IP configuration of each PC in the LAN.
  • Page 51: Setting Up Internet Access

    Chapter 4: Setting up Internet access 4 Setting up Internet access The LANCOM provides a central point of Internet access for all of the compu- ters in the LAN. The connection to the Internet provider can be established via any WAN connector, i.e. via DSL or ISDN (where available). Internet access via ISDN can be used to backup a DSL connection.
  • Page 52 Billing by time or flatrate – select the method by which you are billed by your Internet provider. In case of billing by time, you can set the LANCOM to cut connections automatically if no data flows for a certain time (the hold time).
  • Page 53: The Internet Connection Wizard

    LANCOM 1811n Wireless – LANCOM 1821n Wireless Chapter 4: Setting up Internet access WAN interface. If the primary Internet access is set up to operate via the ADSL interface, you can set up your backup connection to operate via UMTS or ISDN.
  • Page 54: Instructions For Webconfig

    LANCOM 1811n Wireless – LANCOM 1821n Wireless Chapter 4: Setting up Internet access Please be aware that in the case of backup via UMTS, some of the ser-  vices provided over the main Internet connection may not be avai- lable.
  • Page 55: Connecting Two Networks

    Security aspects Of course your LAN has to be protected from unauthorized access. For this reason, a LANCOM provides a range of security mechanisms that offer an out- standing level of protection. VPN: VPN-based connectivity relies on IPsec for transferring data. The...
  • Page 56: Which Details Are Necessary

    LANCOM 1811n Wireless – LANCOM 1821n Wireless Chapter 5: Connecting two networks Which details are necessary? The Wizard requests you for all of the necessary details step by step. If pos- sible, you should have all of this information to hand before you start the Wizard.
  • Page 57 VPN connections to remote sites that use dynamic IP addresses. If you have not yet given a name to your LANCOM, the Wizard will ask you to enter a new name for your device. Entering a name will cause your LANCOM to be renamed.
  • Page 58: Settings For The Tcp/Ip Router

    LANCOM 1811n Wireless – LANCOM 1821n Wireless Chapter 5: Connecting two networks channel from the caller. An ISDN ID generally consists of the country code and an MSN. The password for the ISDN connection is an alternative to the ISDN calling line ID.
  • Page 59: Settings For Netbios Routing

    The domain can only be specified in the LANconfig Wizard. With  WEBconfig, the necessary changes are made later in the manual con- figuration. Refer to the LANCOM Router reference manual for more detailed information. VPN extranet In the case of LAN-LAN connectivity via VPN, you can mask the individual computers behind another IP address.
  • Page 60: Instructions For Lanconfig

    Once you have completed the set-up of both routers, you can start testing the network connection. Try to communicate with a computer in the remote LAN (e.g. with ping). The LANCOM Router should automatically connect to the remote site and make contact to the requested computer.
  • Page 61: 1-Click-Vpn For Networks (Site-To-Site)

    LANCOM 1811n Wireless – LANCOM 1821n Wireless Chapter 5: Connecting two networks 1-Click-VPN for networks (site-to- site) The site-to-site-to-site connectivity of networks is now very simple with the help of the 1-Click-VPN wizard. It is even possible to simultaneously couple multiple routers to a central network.
  • Page 62: Instructions For Webconfig

    Once you have completed the set-up of both routers, you can start testing the network connection. Try to communicate with a computer in the remote LAN (e.g. with ping). The LANCOM Router should automatically connect to the remote site and make contact to the requested computer.
  • Page 63: Providing Dial-In Access

    Security aspects Of course your LAN has to be protected from unauthorized access. For this reason, a LANCOM provides a range of security mechanisms that offer an outstanding level of protection. VPN: VPN-based connectivity relies on IPsec for transferring data. The...
  • Page 64: General Information

    User name and password: This access data serves to identify the user when dialing in. Incoming number: The optional ISDN calling line ID is used by the LANCOM Router for additional user authentication. This security function should not be employed if the user will be dialing-in from various ISDN connections.
  • Page 65: Settings For Tcp/Ip

    This IP address can be manually set to a fixed value when the user is created. A simpler option is to allow the LANCOM Router to assign the user with a free IP address when dialing in. In this case, all you have to do is to set the range of IP addresses which are to be available for assignment to the RAS users by the LANCOM Router.
  • Page 66: Settings For Netbios Routing

    Internet access A VPN client LANCOM Systems offers you a 30-day test version of the LANCOM Advanced VPN Client on the CD supplied. A precise description of the VPN client and notes on its setup are also to be found on the CD.
  • Page 67: Instructions For Lanconfig

    Advanced VPN Client are very easy to set up with the Setup Wizard and expor- ted to a file. This file can then be imported as a profile by the LANCOM Advan- ced VPN Client. All of the information about the LANCOM VPN Router's configuration is also included, and then supplemented with randomly gene- rated values (e.g.
  • Page 68 When setting up the VPN access, certain settings are made to optimize ope- rations with the LANCOM Advanced VPN Client, including: Gateway: If defined in the LANCOM VPN Router, a DynDNS name is used here, or alternatively the IP address FQDN: Combination of the name of the connection, a sequential number and the internal domain in the LANCOM VPN Router.
  • Page 69: Instructions For Webconfig

    LANCOM 1811n Wireless – LANCOM 1821n Wireless Chapter 6: Providing dial- in access Instructions for WEBconfig In the main menu, launch the Wizard 'Provide remote access (RAS)'. Fol- low the Wizard’s instructions and enter the necessary data. Configure the access account on the dial-in PC as described. Subsequently test the connection (see box 'Ping –...
  • Page 70: Sending Faxes With Lancapi

    Chapter 7: Sending faxes with LANCAPI 7 Sending faxes with LANCAPI LANCAPI from LANCOM Systems is a special version of the popular CAPI inter- face. CAPI (Common ISDN Application Programming Interface) establishes the connection between ISDN adapters and communications programs. For their part, these programs provide the computers with office communications func- tions such as a fax machine or answering machine.
  • Page 71: Installation Of The Lancom Capi Faxmodem

    LANCOM with LANCAPI-Server The installation of the LANCAPI client is described in the reference manual. This chapter shows the installation of LANCOM CAPI Faxmodem and MS Win- dows fax service. Installation of the LANCOM CAPI Faxmodem Select the entry Install LANCOM software in the setup program of your LANCOM CD.
  • Page 72: Installation Of The Ms Windows Fax Service

    LANCOM 1811n Wireless – LANCOM 1821n Wireless Chapter 7: Sending faxes with LANCAPI When the installation was successful, the LANCOM CAPI Faxmodem is ente- red into the Phone and Modem Options of the control panel. Installation of the MS Windows fax service Select the option Printers and Faxes from the control panel.
  • Page 73: Sending A Fax

    LANCOM 1811n Wireless – LANCOM 1821n Wireless Chapter 7: Sending faxes with LANCAPI For checking the installation, click with the right mouse button on the fax-icon and select Properties. The LANCOM CAPI Faxmodem should now be entered into register 'devices'. Sending a fax After installing all required components, you have several possibilities to send a fax from your workstation PC.
  • Page 74 LANCOM 1811n Wireless – LANCOM 1821n Wireless Chapter 7: Sending faxes with LANCAPI The fax client console will open. Select the menu item Send a Fax. A wizard will assist you through the remaining sending process.
  • Page 75: Security Settings

    Wireless LANs are potentially a significant security risk. It is a common assumption that it is simple to misuse data transferred by wireless. Wireless LAN devices from LANCOM Systems enable the latest security tech- nologies to be used. Encrypted data transfer with WPA2 and AES encryption 802.1x / EAP...
  • Page 76 LANCOM 1811n Wireless – LANCOM 1821n Wireless Chapter 8: Security settings The passphrases for 802.11i or WPA do not have to be changed quite so regularly as new keys are generated for each connection anyway. This is not the only reason that the encryption with 802.11i/AES or WPA/TKIP is so much more secure than the now obsolete WEP method.
  • Page 77 WLAN network as ‘Key 1/Passphrase’. To use a WLAN adapter to establish a connection to a LANCOM Wireless Router that has fac- tory settings, the WPA encryption must be activated for the WLAN adapter and the standard 13-character preshared key.
  • Page 78: Eap

    Protocol (EAP) enable access points to carry out reliable and secure access checks. The access data can be managed centrally on a RADIUS server (integrated RADIUS/EAP server in the LANCOM Wireless Router or external RADIUS/EAP server) and accessed by the access point when required. The dynamically generated and cryptographically secure key material for 802.11i...
  • Page 79: Access Control By Mac Address

    Required for this is a base station with VPN support and the LANCOM Advanced VPN Client that operates under Windows 2000, XP and Windows Vista™. Client software from third parties is available for other operating systems.
  • Page 80: Security Settings Wizard

    Along with these basic settings, you can use the Security settings Wizard to check the settings of your wireless network (if so equipped). 8.3.1 LANconfig Wizard Mark your LANCOM in the selection window. From the command line, select Extras Setup Wizard. In the selection menu, select the Setup Wizard, Check security settings and confirm the selection with Next.
  • Page 81: Webconfig Wizard

    LANCOM 1811n Wireless – LANCOM 1821n Wireless Chapter 8: Security settings For devices with a WLAN interface, you have the option of specifying the security parameters of the wireless network. This includes the name of the wireless network, the closed-network function, and encryption by 802.11i/WPA or WEP.
  • Page 82 WEP key has been entered and selected for application. For security reasons, LANCOM Systems strongly advises you not to use  WEP! You should only ever use WEP under exceptional circumstances.
  • Page 83 'Management' configuration area on the 'Security' tab. Have you activated the firewall? The stateful inspection firewall of LANCOM devices ensures that you local network cannot be attacked from the outside. Activate the firewall in LANconfig under 'Firewall/QoS' on the 'General' tab.
  • Page 84 'Routing' tab. Have you used filters to close critical ports? The firewall filters in LANCOM devices offer filter functions for individual computers or entire networks. It is possible to set up source and destina- tion filters for individual ports or port ranges. Furthermore, filters can be set for individual protocols or any combination of protocols (TCP/UDP/ ICMP).
  • Page 85 LANCOM 1811n Wireless – LANCOM 1821n Wireless Chapter 8: Security settings Have you activated the protection of your WAN access in case the device is stolen? After being stolen, the device can theoretically be operated at another location by unauthorized persons. Password-protected device configura-...
  • Page 86: Options And Accessories

    The range of the base station can be increased by optional antennas of the AirLancer series and can be adapted to special conditions of environs. With the LANCOM Public Spot Option option it is possible to extend the LANCOM for additional billing and accounting functions in order to upgrade it to a Wireless Public Spot.
  • Page 87: Antenna Diversity

    9.1.4 Installing the AirLancer Extender antennas The following diversity antennas are available as accessories for the LANCOM Wireless Routers: AirLancer Extender O-D80g (2.4 GHz band ), item no. 61221 AirLancer Extender O-D60a (5 GHz), item no. 61222...
  • Page 88: Lancom Public Spot Option

    Please note that operating a LANCOM Wireless Router with the  LANCOM Public Spot Option (also referred to as a HotSpot) can be subject to legal regulation in your country. Before installing a LANCOM Wireless Router, please inform yourself about any appli- cable regulations.
  • Page 89: Lancom Public Spot Option

    Web pages, enabling client PCs with a WiFi-certified wireless card (el.g. AirLancer) and standard Internet browser to go directly online. The LANCOM Public Spot Option is the ideal solution for public wireless LAN. Wireless LAN are very well suited for company networks and for wireless net- working in the home.
  • Page 90 LANCOM 1811n Wireless – LANCOM 1821n Wireless Chapter 9: Options and accessories...
  • Page 91: Advice & Assistance

    LANCOM 1811n Wireless – LANCOM 1821n Wireless Chapter 10: Advice & assistance 10 Advice & assistance See this chapter for first-aid assistance if some of the typical problems should occur. 10.1 No WAN connection can be established After starting, the router attempts automatically to connect to the Internet provider.
  • Page 92: Unwanted Connections Under Windows Xp

    A cabling defect might have occurred, if no data is transmitted over LAN or WAN connection, although the configuration of the devices does not show any discernible errors. You can test the cabling with the built-in cable tester of your LANCOM. Change under WEBconfig to menu item LCOS Menu Tree Status statistics Cable test.
  • Page 93 LANCOM 1811n Wireless – LANCOM 1821n Wireless Chapter 10: Advice & assistance Change then to menu item LCOS Menu Tree Status LAN statistics Cable test results. The results of the cable test for the individual interfaces are show up in a list.
  • Page 94: Appendix

    WLAN Two 3 dBi dipole antennas (in package contents) and one 3 dBi internal dipole antenna. Two reverse SMA connectors for external LANCOM AirLancer Extender antennas or antennas of other manufacturers. Please remember the legal requirements of your country for operating antenna systems. Information about the calculation of conforming antenna configurations under www.lancom.eu.
  • Page 95 LANCOM 1811n Wireless LANCOM 1821n Wireless Package LAN cable (CAT.5, STP, 3 m), WAN cable (CAT.5, STP, 3 m), only LANCOM Wire- contents less DSL series), ADSL cable (RJ45 – RJ11, CAT.5, STP, 3 m, only LANCOM Wire- less ADSL series), ISDN cable, external power adapter (12V AC, 1.2 A for LANCOM Wireless DSL series;...
  • Page 96: Connector Wiring

    LANCOM 1811n Wireless – LANCOM 1821n Wireless Chapter 11: Appendix 11.2 Connector wiring 11.2.1 Ethernet interface 10/100Base-TX 8-pin RJ45 sockets (ISO 8877, EN 60603-7) Connector Line PoE/G PoE/G PoE/ -48 V PoE/ -48 V 11.2.2 ADSL interface 6-pin RJ11 socket...
  • Page 97: Dsl Interface

    LANCOM 1811n Wireless – LANCOM 1821n Wireless Chapter 11: Appendix 11.2.3 DSL interface LANCOM 1811n 6-pin RJ45 socket Wireless only Connector – – 11.2.4 ISDN-S interface 8-pin RJ45 socket (ISO 8877, EN 60603-7) Connector Line – – – – –...
  • Page 98: Configuration Interface (Outband)

    Line 11.3 CE declaration of conformity LANCOM Systems herewith declares that the devices of the type described in this documentation are in agreement with the basic requirements and other relevant regulations of the 1995/5/EC directive. The CE declarations of conformity for your device are available for download...
  • Page 99: Index

    LANCOM 1811n Wireless – LANCOM 1821n Wireless Index Index Numerics Configuration port 10/100Base-TX Configuration protection 100-Mbit network Connector wiring 3 DES ADSL interface 802.11i Configuration port 802.11i/ DSL interface 802.1x ISDN S interface LAN interface Outband Access point mode Cost budget...
  • Page 100 LANCOM 1811n Wireless – LANCOM 1821n Wireless Index ISDN connection ICMP Basic settings Information symbols ISDN data compression Installation ISDN leased-line option ADSL ISDN modem Antennas ISDN number configuration port ISDN PBX ISDN S connection ISDN power adapter Connector cable...
  • Page 101 LANCOM 1811n Wireless – LANCOM 1821n Wireless Index Network mask Reset the toll protection Network segment Routing table Optional antennas SDSL modem Options and accessories Security Protecting the configuration Security checklist Security settings Package contents self-sufficient Password SNMP Password for the ISDN connection Configuration protection PAT –...
  • Page 102 LANCOM 1811n Wireless – LANCOM 1821n Wireless Index Turbo Mode WAN-Anschluss WEBconfig HTTPS System requirements Virtual Private Networks (VPN) Windows workgroup search VPN client Wireless LANs Operating modes Connector cable...

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