3Com WL-455 manual

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•Fragment Length (256-2346)—The Fragment Length can be set between 256 and 2,346. If the packet size is smaller than the preset fragment size, the packet will not be segmented.

Fragmentation of the PDUs (Package Data Unit) can increase the reliability of transmissions because it increases the probability of a successful transmission due to smaller frame size. If there is significant interference present, or collisions due to high network utilization, try setting the fragment size to send smaller fragments. This will speed up the retransmission of smaller frames. However, it is more efficient to set the fragment size larger if very little or no interference is present because it requires overhead to send multiple frames. (Default: 2346)

•RTS Threshold (0-2347)—Set the RTS (Request to Send) frame length. You may configure the access point to initiate an RTS frame sequence always, never, or only on frames longer than a specified length. If the packet size is smaller than the preset RTS threshold size, the RTS/CTS mechanism will not be enabled.

The access point sends RTS frames to a particular receiving station to negotiate the sending of a data frame. After receiving an RTS frame, the station sends a CTS (Clear to Send) frame to acknowledge the right of the sending station to send data frames. The access points contending for the medium may not be aware of each other. The RTS/CTS mechanism can solve this hidden node problem.

(Default: 2346)

•Preamble Setting—IEEE 802.11 frames begin with an alternating pattern of 1s and 0s called the preamble, which tells receiving stations that a frame is arriving. This provides time for the receiving station to synchronize to the incoming data stream. Enabling the Short preamble can boost your throughput; however, this can cause interoperability issues. (Default: Long)

•Client Access Mode—802.11g radios can support both 802.11b and 802.11g clients. This option determines which mode the radio will operate in and consequently which clients will be able to connect to the radio interface. The default is to provide information for both 802.11g and 802.11b clients. Higher throughput can be achieved if the option for the 802.11g clients only is selected (since the radio is not required to transmit at the lower 802.11b rates/method).

•Data Beacon Rate—Sets the interval at which a beacon will contain a delivery traffic indicator message (DTIM). The Access Point sends a DTIM to signal clients which are in sleep mode that a message is waiting to be delivered to them. The range for this setting is 1-255 beacons. (Default: 2)

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Contents Wireless LAN Access Point 3Com Corporation 350 Campus Drive Marlborough, MA Contents Troubleshooting Regulatory Compliance Information Product Features SecurityManageability Wireless Network StandardPerformance and Reliability FAR-REACHING 802.11GNetwork Configuration and Planning AD HOC Wireless LANInfrastructure Wireless LAN Infrastructure Wireless LAN for Roaming WirelessPCS Terminology Seamless RoamingPage Installing the Access Point Installation RequirementsPower Requirements Safety InformationPage Before YOU Begin Connecting the Standard Antennas Connecting PowerUsing the Included AC Adapter Using AN Optional POWER-OVER-ETHERNET Injector Using a POWER-OVER-ETHERNET LAN Port Checking the LedsMounting on a Wall Flat Surface Installation Selecting and Connecting a Different Antenna Model Important NotesDio Eth Power ernet Power Settings on the Access Point for External Antennas USAInstalling Software Utilities Using the 3COM Wireless Device Manager Launching a Wireless Device ConfigurationClick Configure Configuration Login Setting the Country CodeUsing the PRE-IP Configuration Wizard Basic Setup Advanced Setup IdentificationDhcp Client Radius Secure WEB Server ConnectionAuthentication Field Default Description Field Default Description Filter Control Filtering by VlanClient List Timeout Security FiltersUplink Port MAC Address Filtering Snmp Filtering by Ethernet Protocol TypeAdministration System LOG Status Radio Settings Radio InterfacePage Configuring Authentication SecurityWPA Configuration Configuring EncryptionWEP Configuration HOW to Setup the Access Point for Radius Authentication Select Advanced SetupSelect Advanced Setup HOW to Setup the Access Point for WPA with PRE-SHAREDPSK KEYWPA Configuration for Windows XP WEPWPA-PSK AES Troubleshooting Click Configure Client service area to match Technical Support Obtaining Support for Your ProductAccess Software Downloads Contact US Telephone Technical Support and RepairCountry 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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