Related Manuals for 3Com 3CRWE776075
Summary of Contents for 3Com 3CRWE776075
- Page 1 3Com Wireless 7760 11 a/b/g PoE Access Point 3CRWE776075 / WL-561 www.3Com.com 10015003 Rev. AA March 2006...
- Page 2 LICENSE.TXT or !LICENSE.TXT. If you are unable to locate a copy, contact 3Com and a copy will be provided to you. UNITED STATES GOVERNMENT LEGEND...
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Page 3: Table Of Contents
Contents Introduction Key Product Features 2 Installing your 3Com Wireless 7760 Access Point Unpacking the device 6 Deciding where to place your AP 7 Wall Mounting the Wireless 7760 9 Configuring the Wireless 7760 Networks with a DHCP Server 12... -
Page 4: Introduction
1 Introduction HAPTER NTRODUCTION The 3Com Wireless 7760 11a/b/g PoE Access Point is a high performance access point that allows you to join isolated wired Ethernet networks into a unified wireless local area network (WLAN). The Access Point (AP) supports Wi-Fi Protected Access security standards to provide a higher level of security for network data and communications. -
Page 5: Key Product Features
Manageability 3Com offers a wide range of standards-based management support, from SNMP to 3Com Network Supervisor and HP OpenView for seamless integration with your wired network. Wireless Infrastructure Device Manager and Wireless LAN Device Discovery tools let you configure parameters, run diagnostics, backup and restore configurations, and monitor performance from anywhere on the network using an embedded web server browser. - Page 6 1 Introduction HAPTER The higher spectrum provides about 50m (164ft) of coverage. Consider 802.11a when you need high throughput in a confined space and you are: Running high-bandwidth applications like voice, video, or multimedia over a wireless network that can benefit from a five-fold increase in data throughput.
- Page 7 Key Product Features IEEE 802.3af The IEEE 802.3af-2003 Power over Ethernet standard defines terminology to describe a port that acts as a power source (PSE) to a powered device (PD). The IEEE 802.3af standard states that power may be delivered by an end-point PSE, using either the active data wires of an Ethernet port or the spare wires, to a powered device.
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Page 8: Installing Your 3Com Wireless 7760 Access Point
NSTALLING YOUR IRELESS 7760 A CCESS OINT This chapter contains the information you need to install and set up the Wireless 7760AP. It covers the following topics: Unpacking the device Decide where to place the AP Connecting the Access Point Checking the LED indicators Attaching an External Antenna For first time use -Installing Device Manager... -
Page 9: Deciding Where To Place Your Ap
Deciding where to place your AP The Figure below shows the front view of the AP, including the LEDs and connecting ports. Deciding where to Place the AP in a dry, clean location near the hub, switch, computer or printer that will be connected to the AP. place your AP location must have a power source and be within the following distance of a Wi-Fi compliant wireless LAN access point or wireless... - Page 10 2 Installing 7760 A HAPTER YOUR IRELESS CCESS OINT will travel straight through a wall or ceiling (instead of at an angle) for better reception.
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Page 11: Wall Mounting The Wireless 7760
Wall Mounting the Wireless 7760 Building materials can impede the wireless signal - a solid metal door or aluminum studs may have a negative effect on range. Try to position wireless devices and computers with wireless adapters so that the signal passes through drywall or open doorways and not other materials. - Page 12 2 Installing your 3Com Wireless 7760 Access Point HAPTER To install the locking bar, push the locking bar through the opening in the side of the mounting bracket until the hole on the locking bar is exposed. Insert a lock (not provided) through the hole on the locking bar, and then close the lock to secure it in place.
- Page 13 360 degrees and are omni-directional with a gain of less than 2 dBi. The RF connector is an R-SMA type. If you require a different type of antenna for the Access Point 7760, several options available from 3Com (www.3Com.com).
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Page 14: Configuring The Wireless 7760
Access Point to determine if there is a DHCP server on the network. Use the 3Com Wireless Infrastructure Device Manager (Widman) included on the 3Com Installation CD to locate the Access Point on the network and view its IP address. -
Page 15: Networks Without A Dhcp Server
Access Point’s IP address. Using the 3Com The 3Com Installation CD contains the following tools and utilities: Installation CD 3Com Wireless Infrastructure Device Manager—an administration tool that helps you select 3Com wireless LAN devices and launch their configurations in your Web browser. -
Page 16: Launch The 3Com Wireless Infrastructure Device Manager
(Widman) utility 1 Turn on the computer. 2 Insert the 3Com Installation CD into the CD-ROM drive. The CD will Autorun. If it does not Autorun, you can start the setup menu from the Windows Start menu. For example: Start > Run > d: setup.exe. - Page 17 Using the 3Com Installation CD Click on the Properties button to see the following screen Directly connect to the device through its Ethernet port or console port Follow the instructions below to login into the AP Configuration screen: 1 Load a web browser and enter http://169.254.2.2...
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Page 18: System Status
3 Configuring the Wireless 7760 HAPTER First Time Only After you have logged in for the first time you will be asked to select your country from the drop down menu. System Status The Web interface has been designed to enable you to easily perform advanced configuration tasks and view information about the AP. - Page 19 System Status Wireless Station List Through this page, you can easily identify the adjacent wireless stations. It will automatically observe the adjacent wireless station’s ID (if specified), MAC address, SSID and current status.
- Page 20 3 Configuring the Wireless 7760 HAPTER Event Log List The event log list stores a record of all the events happen within this designated WLAN.
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Page 21: System Configuration
System Configuration System In this section, you will learn how to configure the basic functions of your wireless AP. Configuration Setup Wizard The setup Wizard will walk you through the setting up of the Office Connect Access Point Screen 1 allows you to setup the following information: SSID (Service Set Identifier) –... - Page 22 3 Configuring the Wireless 7760 HAPTER Screen 2 allows you to setup the following information: IP Network Setting- Check the radio button for either obtaining an IP address via DHCP or specifying an IP Address manually. IP Address – Enter the IP address that you want to assign. IP Subnet Mask - Enter your networks subnet address.
- Page 23 System Configuration Screen 3 allows you choose the security settings. Choose the following settings from the drop down menu: No security WPA - Only WPA2 - Only WPA2 - Mixed Click Close to close without saving, click Finish to save the settings, Click Back to return to screen 2.
- Page 24 Default is set to be FAT mode AP. FAP AP has complete set of AP features which can work alone as an individual AP. FIT mode AP needs to be connected to a 3Com Wireless Switch to provide complete feature sets.
- Page 25 System Configuration predetermined for periods of time. Choose Static IP if your network does not have an automatic system for IP address assignment.
- Page 26 3 Configuring the Wireless 7760 HAPTER Wireless Network The Wireless 7760 supports Multiple SSIDs which allows it to act as multiple APs appearing in a Wireless LAN network. You can configure up to 4 SSIDs on the device. Wireless Mode You can select your desired wireless operating mode from the drop-down manual.
- Page 27 System Configuration Channel / Frequency Select the channel for your wireless LAN in Channel/Frequency block. The default setting is SmartSelect it selects the channel which provides the best transmission quality. The frequencies available vary depending which wireless mode you select. Current Profiles A maximum of 4 profiles can be configured.
- Page 28 3 Configuring the Wireless 7760 HAPTER Station Separation Choose either enable or disable to control the selected VAP (Virtual Access Point). Security There are 4 levels of security available and all have differing properties: Wired Equivalent Privacy data encryption provides data security. WEP Share Key authentication and WEP data encryption will block all but the most determined hacker.
- Page 29 System Configuration From the drop down list choose open-system or shared key authentication. Select the desired input method (HEX or ASCII) From the drop down list choose from 40/64, 104/128, 128/152 key lengths. WPA Only Wi-Fi Protected Access was constructed to provide improved data encryption, (which was weak in WEP), and to provide user authentication.
- Page 30 3 Configuring the Wireless 7760 HAPTER WPA2-Only Only allows WPA 2 clients to connect to the VAP. You can choose TKIP or AES for the encryption method The Group key update interval is configurable, default value is 1800 seconds You can choose personal mode (PSK) or enterprise mode (802.1X) authentication (default: PSK).
- Page 31 System Configuration WDS Link Settings WDS (Wireless Distribution System) allows access points to communicate with one another wirelessly in a standardized way. It can also simplify the network infrastructure by reducing the amount of cabling required. Basically the access points will act as a client and an access point at the same time.
- Page 32 3 Configuring the Wireless 7760 HAPTER WDS Security Settings This item is only available in Access Point Mode and Wireless Bridge Mode. Choose the required security level from: None, WEP, WPA-PSK (TKIP), WPA-PSK (AES), WPA2-PSK (TKIP) or WPA2-PSK (AES). If using WEP security enter the WEP key, if using WPA enter the pass phrase.
- Page 33 System Configuration Wireless Advanced To configure the advanced wireless setting, click Wireless Settings Advanced Settings and the tool bar and Wireless Advanced Settings menu will appear. Data Rate Choose between the following data rates 12, 18, 24, 36, 48, 72, 96, 108, and best.
- Page 34 3 Configuring the Wireless 7760 HAPTER Fragment Length The maximum packet size is used for fragmentation. Packets larger than the size programmed in this field will be fragmented. The Fragment Threshold value must be larger than the RTS Threshold value. The default is 2346. RTS Threshold Request to send threshold.
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Page 35: Service
Service Service Management VLAN If you reconfigure the Management VLAN ID, you may lose connectivity to the access point. Verify that the switch and DHCP server can support the reconfigured VLAN ID, and then re-connect to the new IP address. IAPP Inter-Access Point Protocol (IAPP) 802.11F (IAPP) Support - Choose either Enable or Disable... - Page 36 3 Configuring the Wireless 7760 HAPTER The QoS setting is only available in AP Mode and Wireless Client Mode. The QoS Setting should be modified with caution because radio behavior is affected. These parameters can be modified when the radio for QoS service is Enabled. Ack-Policy - when the Ack-Policy is checked.
- Page 37 Service Setting Description For each access category, enter the minimum Contention contention window value. Channel access Window prioritized by assigning smaller contention window values to a higher priority traffic class. If a channel is busy or a transmission collides, a node chooses a random number between 0 and the current contention window minimum.
- Page 38 3 Configuring the Wireless 7760 HAPTER The default value table: Fixed Contention Contention Transmit Slot AC TYPE Window Window Opportunity Time (2x-1; x can (2x-1; x can (0-65535 μS) (0-15) be 0-10) be 0-10) AC_BK AC_BE 3008 (6016 AC_VI when 11b) 1554 (3264 AC_VO (3) when 11b)
- Page 39 Service The following settings can be configured. SNTP client Click the radio button to enable. enable/disable If it is disabled, the user has to input time manually. If it is enabled, the device will try to fetch time from configured SNTP servers. Set Time Includes Year, Month, Day, Hour and Minute.
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Page 40: Syslog Function
3 Configuring the Wireless 7760 HAPTER Syslog function In the event of an error the device can send a message to a specified server. System Log Click either Enable or Disable to activate or deactivate the system log function. Syslog Server Enter the IP address of the server that will receive the error information. -
Page 41: Management
Management Syslog Level Choose from the following levels - in order of severity - of detail to be recorded. The default setting is Error. Emergency - System is unusable Alert - Action must be taken immediately Critical - Critical condition Error - Error condition Warning - Warning condition Notice - Normal, but significant condition... - Page 42 3 Configuring the Wireless 7760 HAPTER Enable/Disable SNMP Contact info Community names for read-only and read/write Trap destination IP address Community name This function is not ava ilable in Wireless Bridge mode. MAC Filtering MAC filtering allows the administrator to filter MAC addresses of network cards that can access the access point.
- Page 43 Management Rogue AP Detection Unspecified Access Points may try to access the network through this device. Rogue AP detection can prevent this. Change Rogue AP definition Legal AP list - The list of allowed access points. Detect rogue AP – All channels are scanned and Access Points without security or not in legal AP are considered rogue.
- Page 44 3 Configuring the Wireless 7760 HAPTER Backup/ Restore This section allows the user back up the Access Point’s current settings and restore back to the factory default. Once you have the Access Settings Point working properly you should back up the information to have it available if something goes wrong.
- Page 45 Management Firmware Auto The Wireless 7760 can auto upgrade the firmware if there is a newer version available. If you enable the Auto Upgrade function, the Update Wireless 7760 will automatically check for an updated version of firmware in the assigned FTP server for each time interval assigned. Remember to insert the correct FTP server IP address, username, password and corrected route to the FTP server.
- Page 46 3 Configuring the Wireless 7760 HAPTER After rebooting the login page will automatically be displayed.
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Page 47: Connecting Through The Com Port
Connecting through the Com Port Connecting Instead of using an IP address to configure the Access Point a Null modem cable, connected to the AP’s serial port, can be used. through the Com Port In your terminal settings ensure that the following configuration is met: Bits per Second –... - Page 48 3 Select the device and click Configure to start a new configuration session and set its IP address. Symptom The Wireless Network Tree does not appear in the 3Com Wireless Infrastructure Device Manager window. Solution (s) Verify that you are using the correct network adapter. In the device manager window, click Choose NIC.
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Page 49: Diagnosing Problems
To recover from this situation and continue configuring the Access point: 1 Close your browser. 2 Return to the 3Com Wireless Infrastructure Device Manager and click Refresh. 3 Select the device and click Configure to start a new configuration session. - Page 50 Some problems can be solved by installing a new version of the firmware. For details on how to download a firmware update from the 3Com customer support Web site and install it on your Access point, see “Upgrading the System” on page 43...
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Page 51: Register Your Product To Gain Service Benefits
Product to Gain Service Benefits http://eSupport.3Com.com/ 3Com eSupport services are based on accounts that are created or that you are authorized to access. Solve Problems The 3Com Knowledge base helps you to troubleshoot 3Com products. -
Page 52: Purchase Extended Warranty And Professional Services
3Com as a separately ordered product. Separately orderable software releases and licenses are listed in the 3Com Price List and are available for purchase from your 3Com reseller. -
Page 53: Telephone Technical Support And Repair
Diagnostic error messages Details about recent configuration changes, if applicable To send a product directly to 3Com for repair, you must first obtain a return materials authorization number (RMA). Products sent to 3Com without authorization numbers clearly marked on the outside of the package will be returned to the sender unopened, at the sender’s expense. -
Page 54: C End User License Agreement
ICENSE GREEMENT Customer shall take all steps necessary to protect Wind River's and its licensors' proprietary rights in the Run-Time Module and to ensure that each Run-Time Module distributed by Customer will be accompanied by a localized copy of an End User License Agreement. - Page 55 NDEX Data Beacon Rate ......DTIM 802.11a ............3 Data Rate ..........32 802.11b/g ........... 4 default IP address ........12 802.11d ............ 33 Default IP address........14 Delivery Traffic Indication Message ..32 Device Manager Software ......Access Point Detection......DHCP Server ..........11 Access Point mode ........
- Page 56 Index SSID............ Suppressed SSID ........LED Indicators..........9 System Properties ........Logging On..........System Summary........Login name..........12 terminal settings........MAC Filtering .......... Time Slot ..........Transmit Power........32 Package Contents........6 Password........12, Username .......... Placement ..........7 Power over Ethernet ......... 3 VLAN ID...........