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3Com 3CRWE776075 User Manual

3Com 3CRWE776075
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3Com Wireless 7760
11 a/b/g PoE Access Point
3CRWE776075 / WL-561
www.3Com.com
10015003 Rev. AA
March 2006
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3Com 3CRWE776075 Specifications

General IconGeneral
Brand3Com
Model3CRWE776075
CategoryWireless Access Point
LanguageEnglish

Summary

Introduction to 3Com Wireless 7760

Key Product Features Overview

Provides an overview of the product's capabilities and supported standards.

Security Features and Standards

Details the security features like WEP, WPA, WPA2, and authentication methods.

Performance and Reliability Enhancements

Explains features like automatic channel selection and dynamic rate shifting for optimal performance.

Manageability and Configuration Options

Covers management support, tools, and configuration via an embedded web server.

Wireless Network Standards Explained

Discusses 802.11a and 802.11g standards and their characteristics.

Understanding the 802.11a Standard

Details the 802.11a standard, its coverage, and use cases for high throughput.

Understanding the 802.11b/g Standards

Explains 802.11b/g standards, data rates, coverage, and use cases.

IEEE 802.3af Power over Ethernet

Explains the Power over Ethernet (PoE) standard and its power delivery mechanisms.

Installing Your 3Com Wireless 7760 Access Point

Unpacking the Device Contents

Lists the items included in the product package for installation.

Optimal Placement for Your Access Point

Provides guidelines for optimal placement to maximize wireless range and avoid interference.

Wall Mounting the Wireless 7760 AP

Details the process of mounting the Access Point to a wall using the provided cradle and hardware.

Checking the LED Indicators

Explains the meaning of different LED states for power, WLAN, and LAN connectivity.

Power Up Self-Test (POST) Procedure

Describes the Power-On Self-Test (POST) and how LEDs indicate its status or corruption.

Attaching an External Antenna

Details the type of antennas included and options for replacement or upgrades.

Configuring the 3Com Wireless 7760 Access Point

Configuring with a DHCP Server

Explains how to configure the AP when a DHCP server is present on the network.

Configuring without a DHCP Server

Details the configuration process when no DHCP server is available, using a static IP.

Using the 3Com Installation CD

Describes the tools and utilities available on the installation CD for device management.

Launch the Wireless Infrastructure Device Manager

Provides step-by-step instructions for installing and launching the device manager software.

Direct Connection via Ethernet or Console Port

Guides users on how to log into the AP Configuration screen via a web browser.

Viewing System Status Information

Explains how to view general information and status of the Access Point.

Accessing the System Summary Page

Details the default system summary page showing configuration and status information.

Wireless Station List Details

Describes how to view and identify adjacent wireless stations connected to the AP.

Understanding the Event Log List

Explains the purpose of the event log list for tracking WLAN events.

Basic System Configuration

Covers the basic functions and setup of the wireless AP.

Utilizing the Setup Wizard

Guides users through the initial setup of the Access Point.

IP Network Settings Configuration

Details the configuration of IP addresses, subnet masks, and default gateways.

Configuring Wireless Security Settings

Explains the various security options available, including WEP, WPA, and WPA2.

System Properties and Operation Modes

Allows defining device name, location, operation modes, and load types.

Access Point Mode Functionality

Describes the function of the Access Point mode for connecting wireless stations.

Wireless Workgroup Bridge Mode

Explains the AP's function as a wireless client to connect to another access point.

Ad-hoc Mode Operation

Describes direct peer-to-peer wireless communication between clients without an AP.

Repeater Mode for Network Extension

Explains how the AP can extend wireless network range.

Wireless Bridge Mode Configuration

Details connecting two separate networks using the AP.

IP Settings: DHCP or Static IP

Configuration for IP address assignment methods (DHCP or Static IP).

Configuring Multiple Wireless Networks (SSIDs)

Configuration for multiple SSIDs, allowing the AP to act as multiple APs.

Selecting Wireless Operating Modes

Options for operating modes like Super Dynamic and Static for performance tuning.

Channel and Frequency Selection

Selects the wireless channel for optimal transmission quality.

Service Set Identifier (SSID) Configuration

Defines the Service Set Identifier, the name of the wireless network.

Suppressed SSID Broadcast Option

Option to disable the broadcast of the SSID for network hiding.

VLAN ID Assignment for SSIDs

Assigns an SSID to a VLAN for network segmentation.

Station Separation Controls

Controls selected VAPs (Virtual Access Points) to isolate clients.

Wired Equivalent Privacy (WEP) Security

Explains Wired Equivalent Privacy encryption and authentication.

WPA Only Security Mode

Details Wi-Fi Protected Access for improved encryption and user authentication.

WPA2-Only Security Mode

Allows only WPA2 clients to connect, offering enhanced security.

WPA2-Mixed Security Mode

Supports both WPA and WPA2 clients for broader compatibility.

Profile (SSID) Isolation Settings

Configures isolation between clients connected to different SSIDs.

Multi-BSSID Configuration

Enables multiple BSSIDs for each profile to send individual beacons.

Wireless Distribution System (WDS) Link Settings

Configures Wireless Distribution System for AP-to-AP communication.

WDS Security Settings

Sets security levels for WDS connections, including WEP and WPA.

Wireless Advanced Settings

Configures advanced wireless parameters like data rates and transmit power.

Data Rate Selection

Selects the data transmission speed for the wireless connection.

Transmit Power Adjustment

Adjusts the power level of the wireless signal transmission.

Beacon Interval Configuration

Sets the interval for beacon transmissions, affecting network discovery.

Data Beacon Rate (DTIM) Settings

Configures the Data Beacon Rate for power saving and traffic indication.

Fragment Length Configuration

Sets the maximum packet size for fragmentation to improve efficiency.

RTS Threshold Configuration

Configures the Request to Send threshold for channel access.

802.11d Support Features

Enables features for compliance in areas with restricted 802.11 usage.

Antenna Type Selection

Selects the type of antenna, including options for external high-gain antennas.

Service and Management Features

Management VLAN Configuration

Configures the VLAN ID for managing the access point.

Inter-Access Point Protocol (IAPP)

Explains Inter-Access Point Protocol (IAPP) for AP communication and location sharing.

Quality of Service (QoS) Settings

Provides settings for Quality of Service to prioritize network traffic.

Detailed QoS Setting Adjustments

Details QoS settings and their effect on radio behavior, including Ack-Policy.

Min Contention Window Settings

Sets the minimum contention window value for prioritizing traffic classes.

Max Contention Window Settings

Sets the maximum contention window value, affecting collision probability.

Fixed Slot Time Configuration

Configures fixed slot time for prioritizing channel access.

Transmit Opportunity Limit Settings

Limits the duration transmitters can control the channel to manage throughput.

Admission Control for QoS Categories

Manages client access to specific categories, with limitations noted.

Simple Network Time Protocol (SNTP)

Explains Simple Network Time Protocol for configuring network time settings.

SNTP Client Enable/Disable

Enables or disables the SNTP client for automatic time synchronization.

Manual Time Setting

Manual time setting for the device.

Timezone Selection for SNTP

Adjusts the time obtained from the SNTP server based on the selected timezone.

Daylight Saving Time Adjustments

Automatically adjusts for daylight saving time based on timezone selection.

SNTP Server Configuration

Configures primary and secondary SNTP servers for time synchronization.

Syslog Functionality

Enables sending error messages to a specified server for logging.

System Log Activation

Activates or deactivates the system logging function.

Syslog Server IP Address

Specifies the IP address of the server receiving error information.

Syslog Server Port Configuration

Sets the port number for accessing the syslog server.

Management Features and Settings

Syslog Level Configuration

Selects the detail level for recorded syslog messages based on severity.

Administration: User Management

Allows changing the administrator username and password for system access.

Simple Network Management Protocol (SNMP)

Configures Simple Network Management Protocol functions for network monitoring.

MAC Filtering for Network Access

Filters network access based on MAC addresses of network cards.

Rogue Access Point Detection

Detects and prevents unauthorized access points from connecting to the network.

Firmware Auto Update Settings

Enables automatic checking and updating of firmware from an FTP server.

Manual Firmware Upgrade Process

Manually upgrades the AP's firmware by specifying the correct file route.

Rebooting the Access Point

Restarts the Access Point through the browser interface.

Connecting and Restoring Settings

Connecting Through the Com Port

Configures the AP using a serial (COM) port with a null modem cable.

Restoring Factory Settings

Resets the Access Point to its default factory settings manually or via web browser.

Troubleshooting Common Issues

Diagnosing and Solving Problems

Provides solutions for common issues encountered with the Access Point.

Safely Disconnecting the Access Point

Instructions on how to safely disconnect the Access Point from the network.

Uninstalling Software and Documentation

Steps to remove the AP software and documentation from the computer.

Upgrading Access Point Firmware

Explains how to download and install firmware updates for the Access Point.

Obtaining Support for Your 3Com Product

Register Product for Service Benefits

Instructions on registering the product to access warranty and support services.

Solving Problems via Online Knowledge Base

Information on using the 3Com Knowledge Base for troubleshooting.

Extended Warranty and Professional Services

Details on purchasing additional support services and consulting.

Accessing Software Downloads

Information on obtaining software updates and maintenance releases.

Contacting 3Com Support

Provides methods for contacting 3Com for technical support and repair.

Telephone Technical Support and Repair

Guidelines for contacting telephone support and procedures for product repair.

End User License Agreement

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