3Com WL-455 manual Troubleshooting

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4 TROUBLESHOOTING

If you have difficulty with the 3Com Wireless LAN access point, first check the following items in the configuration:

•Radio Settings page: Ensure that the SSID is the same on clients and the access point.

•Security page: Ensure that Encryption is the same on clients and the access point.

•Authentication page: Ensure that the Local MAC Authentication System Default is set to Allow. Ensure that 802.1x Authentication Settings are correct.

•TCP/IP Settings page: If the DHCP Client is set to Disabled, then ensure that the access point IP Address is within the same subnet as the wired LAN.

If necessary, reset the access point to the factory defaults.

Try the solutions in the following table. If you need further assistance, contact 3Com Technical Support through the following Web page: http://www.3com.com/products/en_US/supportindex.jsp

Symptom

Solutions

 

 

Access point does not

Make sure the Ethernet cable is plugged into the port labeled

power up.

To Access Point on the power brick.

 

Check for a faulty access point power supply.

 

Check for a failed AC power supply.

 

 

Access point powers up, but

Make sure that the Ethernet cable is plugged into the port

has no connection to the wired

labeled To Hub/Switch on the power brick.

network.

Verify the network wiring and topology for proper

 

 

configuration. Check that the cables used are the proper type.

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Contents Wireless LAN Access Point 3Com Corporation 350 Campus Drive Marlborough, MA Contents Troubleshooting Regulatory Compliance Information Security Product FeaturesFAR-REACHING 802.11G Wireless Network StandardPerformance and Reliability ManageabilityAD HOC Wireless LAN Network Configuration and PlanningInfrastructure Wireless LAN Infrastructure Wireless LAN for Roaming WirelessPCS Seamless Roaming TerminologyPage Installation Requirements Installing the Access PointSafety Information Power RequirementsPage Before YOU Begin Connecting Power Connecting the Standard AntennasUsing the Included AC Adapter Using AN Optional POWER-OVER-ETHERNET Injector Checking the Leds Using a POWER-OVER-ETHERNET LAN PortMounting on a Wall Flat Surface Installation Important Notes Selecting and Connecting a Different Antenna ModelDio Eth Power ernet USA Power Settings on the Access Point for External AntennasInstalling Software Utilities Launching a Wireless Device Configuration Using the 3COM Wireless Device ManagerClick Configure Configuration Login Setting the Country CodeUsing the PRE-IP Configuration Wizard Basic Setup Advanced Setup IdentificationDhcp Client Secure WEB Server Connection RadiusAuthentication Field Default Description Field Default Description Filtering by Vlan Filter ControlClient List Timeout Security FiltersUplink Port MAC Address Filtering Filtering by Ethernet Protocol Type SnmpAdministration System LOG Status Radio Interface Radio SettingsPage Security Configuring AuthenticationConfiguring Encryption WPA ConfigurationWEP Configuration Select Advanced Setup HOW to Setup the Access Point for Radius AuthenticationSelect Advanced Setup PRE-SHAREDPSK KEY HOW to Setup the Access Point for WPA withWEP WPA Configuration for Windows XPWPA-PSK AES Troubleshooting Click Configure Client service area to match Obtaining Support for Your Product Technical SupportContact US Telephone Technical Support and Repair Access Software DownloadsCountry Telephone Number North America Telephone Regulatory Compliance Information Industry Canada IC Emissions Compliance Statement Safety Compliance Notice Index Page WEP Page Radius Vlan ID
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WL-455 specifications

The 3Com WL-455 is a versatile wireless access point designed to meet the needs of small to medium-sized enterprises. Renowned for its robust performance, this device is a critical component for businesses looking to enhance their wireless network capabilities.

One of the standout features of the WL-455 is its ability to support both 802.11b and 802.11g wireless standards. This dual compatibility allows organizations to maintain connectivity with a broad range of devices, ensuring high-speed internet access while reducing the risk of obsolescence as new technologies emerge. The WL-455 supports data rates of up to 54 Mbps, providing sufficient bandwidth for most applications utilized in a business environment.

Security is paramount in today's digital world, and the WL-455 excels in this area. It offers advanced security features including WEP, WPA, and WPA2 encryption protocols, offering multiple layers of protection for sensitive data transmitted over the wireless network. This ensures that employees can connect to the network securely, minimizing the risks posed by potential threats.

In terms of management and installation, the 3Com WL-455 is designed for ease of use. It includes a streamlined web-based interface, which simplifies the process of configuring network settings. Additionally, the device supports Power over Ethernet (PoE), enabling network administrators to deploy the access point without needing external power sources, reducing cabling clutter and simplifying setups.

The WL-455 is also equipped with a feature called Quality of Service (QoS), which prioritizes network traffic to ensure that critical applications receive the necessary bandwidth during peak usage times. This is particularly important for businesses that rely on real-time applications, such as VoIP or video conferencing, where latency and packet loss can severely impact performance.

With a sleek and compact design, the 3Com WL-455 can be easily mounted on ceilings or walls, allowing for flexible placement options within any office environment. Its durable construction ensures that it can withstand the rigors of daily use while maintaining optimal performance.

Overall, the 3Com WL-455 is a powerful solution for organizations aiming to implement a reliable and secure wireless network. With its range of features, user-friendly management tools, and robust security measures, it emerges as an excellent choice for businesses looking to improve their connectivity and efficiency in an increasingly wireless world.
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