Lancom Systems 3550 Problems with the cabling?, Has the correct transfer protocol been selected?

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LANCOM 3550 Wireless

Chapter 9: Troubleshooting

EN

net provider. With this software the PIN number of the SIM card can be changed whenever required.

9.2No DSL connection is establishedUsually a data card is supplied with the operating software from the

After start-up the router automatically attempts to connect to the DSL pro- vider. During this process, the LAN-link LED will blink green. If successful, the LED will switch over to steady green. If, however, the connection can't be established, the LAN-link LED will light up red. The reason for this is usually one of the following:

Problems with the cabling?

Only the cable provided with your device should be used to connect to DSL. This cable must be connected to the Ethernet port of your broadband access device. The LAN link LED must light green indicating the physical connection.

Has the correct transfer protocol been selected?

The transfer protocol is set along with the basic settings. The basic setup wiz- ard will enter the correct settings for numerous DSL providers automatically. Only if your DSL provider is not listed, you will have to enter manually the pro- tocol being used. In any case, the protocol that your DSL provider supplies you with should definitely work.

You can monitor and correct the protocol settings under:

Configuration tool

Run command

 

LANconfig

Management Interfaces

Interface settings WAN Inter-

 

face

 

WEBconfig

Expert Configuration Setup

Interfaces WAN Interface

 

 

 

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Contents Lancom 3550 Wireless Lancom Systems GmbH, Wuerselen Germany. All rights reserved Thank you for placing your trust in this Lancom product Security settingsThis documentation was compiled … Further server services DHCP, DNS, charge management Important instruction that should be followed Contents Setting up the Umts profile Setting up Internet accessPoint-to-point connections Appendix Options and accessoriesRadio channel regulations for WLANs Operation modes of Wireless LANs and base stations What is a Wireless LAN?Introduction Which hardware to use?Last mile via UMTS/HSPDA Advantages of the UMTS/HSPDA solutionInternet Mobile conference roomUMTS/HSPDA Backup Internet connection over DSL Applications What can your Lancom Router do?Wireless LAN Lancom Package contents InstallationSystem preconditions Status display Status displays, interfaces an hardware installationMeanings of the LEDs Front sideGreen Red Blinking Time or connect-charge reached LED remains lit greenExpert Configuration Setup Charges-module Flashing Power-LED but no connection?Nal wireless network card is not indicated on this display Wireless link display can assume four different conditionsBack of the unit Hardware installation Software installation Plexity considerably Which software should you install? Starting Lancom setupInstallation 1 TCP/IP settings Basic configurationWhich information is necessary? Configure manually nevertheless? New LAN-fully automatic configuration possibleInformation required for manual TCP/IP configuration Settings for the Wireless LAN Configuration protectionConnect charge protection Settings for the DSL connectionSelection of a radio channel LANconfig Start up LANconfig by clicking Start Programs LancomComplete the configuration with Finish Instructions for WEBconfigNetwork with Dhcp server Network without Dhcp serverWEBconfig main menu will be displayed Starting the wizards in WEBconfigOr with a name as discribed above Basic configuration Entering the password in the web browser TCP/IP settings to workstation PCsIP address assignment via a separate Dhcp server IP address assignment via the Lancom Router defaultManual IP address assignment Setting up Internet access Bar, select Tools Setup Wizard Instructions for LANconfigLANconfig Quick access to the setup wizards Setting up Internet access Internet access Setting up the Umts profileSetting up the Umts profile Setting up the Umts profile VPN site coupling Setting up the Umts profile Choosing the mobile telephone network Other settingsActivate UMTS/GPRS profile UMTS/HSPDA only or automatic UMTS/HSPDA/GPRS selection Set up a time limit Point-to-point connections Configuration with LANconfig Configuration tool Menu/Table Security for point-to-point connections Access points in relay modeEncryption with 802.11i/WPA Connections under the following pathsConfiguration area Wlan Security on the 802.11i/WEP tab Leps for P2P connections Found under WEBconfig or Telnet under the following pathsSecurity for the Wireless LAN Security settingsClosed network Lancom Enhanced Passphrase Security Access control via MAC addressEncryption of the data transfer Standard WEP encryption 5 802.1x / EAP ensure that you have a secure connection IPSec over Wlan Tips for handling keysWizard for LANconfig Security settings wizardMand bar Extras Setup Wizard Firewall wizard Wizard for WEBconfigConfiguration under WEBconfig Security checklistRules Have you permitted remote configuration? Have you assigned a password for the configuration?Have you assigned a password to the Snmp configuration? Have you activated the Firewall?Have you closed critical ports with filters? Have you activated the IP masquerading?Security settings Security settings Optional Lancom Wireless Router antennas Options and accessoriesAntenna Diversity Lancom Public Spot Option Installation of AirLancer Extender antennasRadius PIN Handling TroubleshootingMenü/Tabelle You can monitor and correct the protocol settings under Problems with the cabling?Has the correct transfer protocol been selected? Unwanted connections under Windows XP DSL data transfer is slowIncreasing the TCP/IP window size under Windows Appendix Performance data and specificationsLAN interface, 10/100base-TX Contact assignmentWAN interface, 10/100base-TX Declaration of conformity Radio channel regulations for WLANs Numerics Node/hub switch Optional antennas Options and accessories Connector cable LAN connectionRelay function Remote configuration Reset LAN Link LAN Rx/Tx Power WAN Link WAN Status Wireless LinkWork Incorrect PIN WAN connector WEBconfig PasswordPIN handling Time limit 15, 59

3550 specifications

The Lancom Systems 3550 is a robust and versatile router designed to meet the demanding connectivity needs of modern networking environments. It is particularly well-suited for enterprises seeking to enhance their network performance, reliability, and security. This device combines advanced features with cutting-edge technologies to provide a comprehensive networking solution.

One of the standout features of the Lancom Systems 3550 is its support for various WAN technologies. It supports fiber, DSL, and LTE connections, ensuring seamless internet access regardless of the available infrastructure. This versatility allows businesses to choose the optimal connection type for their specific needs and easily adapt to changing circumstances.

In terms of voice and data capabilities, the 3550 is equipped with integrated VoIP functionality. This feature enables companies to implement Voice over IP solutions, reducing telecommunication costs while improving call quality. The router supports multiple concurrent voice channels, making it an ideal choice for businesses with significant communication requirements.

Security is paramount in today’s digital landscape, and the Lancom Systems 3550 does not disappoint. It includes advanced firewall features and supports VPN technologies, enabling secure remote access for employees and partners alike. With support for SSL and IPSec VPNs, businesses can ensure that sensitive data remains protected, regardless of whether employees are working in the office or remotely.

Another significant characteristic of the 3550 is its high-performance capabilities. It is designed to handle a high volume of data traffic without compromising performance. Equipped with advanced traffic management tools, the router can prioritize essential services, ensuring that critical applications receive the bandwidth they need, even during peak usage times.

Additionally, the device offers robust monitoring and management features. Network administrators can utilize SNMP, Syslog, and other management protocols to gain real-time insights into performance metrics and troubleshoot issues proactively. The intuitive user interface simplifies configuration and management, allowing IT staff to focus on other pressing tasks.

Scalability is also a key advantage of the Lancom Systems 3550. It provides options for expansion and can be integrated seamlessly with other devices in the Lancom ecosystem. This flexibility allows organizations to grow their networks without the need for significant overhauls.

In summary, the Lancom Systems 3550 is an ideal solution for organizations looking to enhance their networking capabilities. With its support for multiple WAN technologies, integrated security features, high performance, and robust management tools, it stands out as a reliable choice for modern enterprises. Whether for data communication or voice solutions, the 3550 ensures optimized performance, security, and scalability in one comprehensive package.