Related Manuals for 3Com OfficeConnect 3CRWE454G72
Summary of Contents for 3Com OfficeConnect 3CRWE454G72
- Page 1 OfficeConnect Wireless 11g Access Point User Guide 3CRWE454G72 http://www.3com.com/ Part No. DUA0045-4AAA01 Rev. 01 Published July 2003 ®...
- Page 2 All other company and product names may be trademarks of the respective companies with which they are associated. ENVIRONMENTAL STATEMENT It is the policy of 3Com Corporation to be environmentally-friendly in all operations. To uphold our policy, we are committed to: Establishing environmental performance standards that comply with national legislation and regulations.
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Page 3: Table Of Contents
ONTENTS BOUT UIDE Naming Convention Conventions Feedback about this User Guide Related Documentation Product Registration NTRODUCING THE OfficeConnect Wireless 11g Access Point Access Point Advantages Package Contents Minimum System and Component Requirements Front Panel Rear Panel ARDWARE NSTALLATION Introduction Safety Information Positioning the Access Point Using the Rubber Feet Wall Mounting... - Page 4 CCESS OINT ONFIGURATION Navigating Through the Access Point Configuration Pages Main Menu Option Tabs Welcome Screen Notice Board Password Wizard LAN Settings Unit Configuration DHCP Clients List Wireless Settings Configuration Encryption Configuring WPA Encryption Configuring WEP Encryption Connection Control Client List Profile System Tools Restart...
- Page 5 Restart Status and Logs Support and Feedback ROUBLESHOOTING Basic Connection Checks Browsing to the Access Point Configuration Screens Forgotten Password and Reset to Factory Defaults Wireless Networking Alert LED Recovering from Corrupted Software Frequently Asked Questions SING ISCOVERY Running the Discovery Application Windows Installation (95/98/2000/Me/NT) IP A DDRESSING...
- Page 6 AFETY NFORMATION OFTWARE LOSSARY NDEX EGULATORY OTICES FOR THE ICENSE GREEMENT IRELESS CCESS OINT...
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Page 7: About This Guide
Point and contains information that differs from the information in this guide, follow the information in the release note. Most user guides and release notes are available in Adobe Acrobat Reader Portable Document Format (PDF) on the 3Com World Wide Web site: http://www.3com.com... -
Page 8: Conventions
Feedback about this Your suggestions are very important to us. They will help make our User Guide documentation more useful to you. Please e-mail comments about this document to 3Com at: pddtechpubs_comments@3com.com Please include the following information when commenting: Table 2 list conventions that are used throughout this guide. -
Page 9: Related Documentation
Installation Guide. This guide contains the instructions you need to install and configure your Access Point. Product Registration You can now register your Access Point on the 3Com web site and receive up-to-date information on your product: http://www.3com.com/register/ OfficeConnect Wireless 11g Access Point User Guide... - Page 10 BOUT UIDE...
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Page 11: Introducing The Access Point
NTRODUCING THE CCESS OINT ® Welcome to the world of networking with 3Com . In the modern business environment, communication and sharing information is crucial. Computer networks have proved to be one of the fastest modes of communication but, until recently, only large businesses could afford the networking advantage. -
Page 12: Officeconnect Wireless 11G Access Point
Access Point is a WI-FI certified device, you can be sure it will work reliably with certified equipment from other manufacturers. Figure 1 Example Network Power Adapter Power Adapter 3Com Wireless 11g 3Com Wireless 11g Access Point Access Point Wireless User... -
Page 13: Access Point Advantages
Access Point The advantages of the Access Point include: Advantages Package Contents The Access Point kit includes the following items: If any of these items are missing or damaged, please contact your retailer. Cross-platform operation for compatibility with Windows, Unix and Macintosh computers Easy-to-use, Web-based setup and configuration Provides centralization of all network address settings (DHCP) -
Page 14: Minimum System And Component Requirements
The Access Point has just been started up and is running a self-test routine, or The administrator has invoked the Reset to Factory Defaults command, or The system software is in the process of being upgraded 3CRWE454G72 OfficeConnect Wireless 11g Access Point... - Page 15 In each of these cases, wait until the Access Point has completed the current operation and the alert LED is Off. Flashing slowly - The Access Point has completed the Reset to Factory Defaults process, and is waiting for you to release the reset button. The Access Point will then enter the start-up sequence and resume normal operation.
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Page 16: Rear Panel
1: I HAPTER NTRODUCING THE Rear Panel The rear panel reset button, a power adapter OK LED and a power adapter socket. Figure 3 Access Point - Rear Panel 5 Wireless Antennae The antennae on the product should be placed in a ‘V’ position when initially installed. -
Page 17: Hardware Installation
Introduction This chapter will guide you through a basic installation of the Access Point, including: Safety Information WARNING: Please read the before you start. VORSICHT: Bitte lesen Sie den Abschnitt sorgfältig durch, bevor Sie das Gerät einschalten. AVERTISSEMENT: Veuillez lire attentivement la section importantes de sécurité”... -
Page 18: Using The Rubber Feet
Water or moisture cannot enter the case of the unit. Air flow around the unit and through the vents in the side of the case is not restricted. 3Com recommends you provide a minimum of 25 mm (1 in.) clearance. -
Page 19: Powering Up The Access Point
Powering Up the To power up the Access Point: Access Point 1 Plug the power adapter into the power adapter socket located on the back panel of the Access Point. 2 Plug the power adapter into a standard electrical wall socket. Connecting the The first step for installing your Access Point is to physically connect it to a Access Point... - Page 20 2: H HAPTER ARDWARE NSTALLATION...
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Page 21: Running The Setup Wizard
Accessing the 3Com recommends that you perform the initial Access Point Wizard configuration from a computer that is directly connected to the LAN port and not from a wireless connection. However, you may configure the Access Point from a wireless admin computer but, note that you may lose contact with the Access Point if you change the wireless configuration. - Page 22 3: R HAPTER UNNING THE ETUP Figure 5 Discovery Welcome Screen 3 When the Welcome screen is displayed, select the NIC from which the Access Point will be discovered. Then click on Next and wait until the application discovers the Access Points connected to your LAN. Figure 6 Discovered Access Point Screen Figure 6 Wireless 11g Access Point by clicking on it, and press Next.
- Page 23 Figure 7 Discovery Finish Screen 5 Click on Finish to launch a web browser and display the login page for the Access Point as shown in 6 To log in, enter the password (the default setting is admin) in the System Password field and click Log in Figure 8 Access Point Login Screen Accessing the Wizard...
- Page 24 3: R HAPTER UNNING THE ETUP 7 If the password is correct, the Country & Mode Selection screen appears. (Figure a Select the country in which the Access Point is to operate. b Select the wireless mode for the Access point: The Country &...
- Page 25 If your Access Point has not been configured before, the Wizard will launch automatically (refer to 9 Click Next. 10 You will be guided step by step through a basic setup procedure. Figure 10 Welcome Screen Figure 11 Wizard Screen Accessing the Wizard Figure 11).
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Page 26: Password
Old Password, then a new password in both the New Password and Confirm Password boxes. 3Com recommends entering a new password when setting up the Access Point for the first time. The Access Point is shipped from the factory with a default password, admin. - Page 27 This screen displays a suggested LAN IP address and subnet mask of the Access Point. It also allows you to change the IP address and subnet mask. 3Com recommends that you manually assign your Access Point a static IP address. Figure 14 LAN IP Address Screen...
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Page 28: Wireless Settings
3: R HAPTER UNNING THE ETUP IZARD Figure 15 DHCP Server Setup Screen This screen displays a suggested LAN IP address and subnet mask of the Access Point. It also allows you to change the IP address and subnet mask. Two further fields are available for you to enter the Start address of an address pool and an End address. - Page 29 Access Point to choose an unused channel on start-up. 2 Enter a Service Area Name/SSID. The Service Area Name default for 3Com products is “3Com”. Up to 32 (case sensitive) characters can be entered for the Service Area Name.
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Page 30: Summary
When you complete the Setup Wizard, a configuration summary will display. Verify the configuration information of the Access Point and then click Finish to save your settings. 3Com recommends that you print this page for your records. If you have made changes to the LAN Settings or wireless configuration options, you may need to reconfigure the computer you are using in order to make contact with the Access Point again. -
Page 31: Access Point Configuration
Navigating This chapter describes all the screens available through the Access Point Through the Access configuration pages, and is provided as a reference. To get to the Point Configuration configuration pages, browse to the Access Point by entering the URL in Pages the location bar of your browser. -
Page 32: Option Tabs
4: A HAPTER CCESS OINT ONFIGURATION Option Tabs Each corresponding menu page may also provide sub-sections which are accessed through the use of tabs (see Figure 18 for example). To access a sub-section, simply click on the required tab. Getting Help On every screen, a Help button is available which provides access to the context-sensitive online help system. -
Page 33: Notice Board
Notice Board Figure 19 Notice Board Screen The Notice Board is used to display configuration warning messages. Password Figure 20 Password Screen Changing the Administration Password You can change the password to prevent unauthorized access to the Administration System. To do this: 1 Enter the current password in the Old Password field 2 Enter the new password in the New Password field 3 Enter the new password again in the Confirm Password field... -
Page 34: Wizard
4: A HAPTER CCESS OINT ONFIGURATION The password is case sensitive. If you have forgotten your password you need to reset the Access Point. “Forgotten Password and Reset to Factory Defaults” page 66 Wizard Figure 21 Wizard Screen Click WIZARD... to launch the configuration wizard. Refer to Chapter 3 for information on how to run the wizard. - Page 35 LAN Settings Figure 22 Unit Configuration Screen Dynamic IP Address 3Com recommends that you manually assign your Access Point a static IP address. Select Dynamic IP Address (automatically allocated) and the screen shown Figure 22 is displayed. Check all your settings and click Apply.
- Page 36 CCESS OINT Manually setting the IP address 3Com recommends that you assign your Access Point a static IP address. 1 Select Unit Configuration and then select Static IP Address (to be specified manually). The screen shown in Figure 23 Unit Configuration Screen For Static IP Address 2 Enter the Access Point IP Address and Subnet Mask in the LAN Settings field.
- Page 37 If you want the Access Point to function as a DHCP server on your network, carry out the following: 1 Select Unit Configuration and then select Static IP Address (to be specified manually). The screen shown in 2 Enter the IP address details as described in address”...
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Page 38: Dhcp Clients List
4: A HAPTER CCESS OINT DHCP Clients List Figure 25 DHCP Clients List Screen The DHCP Clients List provides details on the devices that are connected to the LAN. The list is only created when the Access Point is set up as a DHCP server. -
Page 39: Wireless Settings
Wireless Settings Wireless Settings To improve the security of your wireless network, 3Com recommends that you: 1. Change the SSID from its default value - see page 40 2. Enable Encryption - see page 41 3. Enable Connection Control - see... - Page 40 The Service Area Name may also be referred to as “ESSID” depending on your networking vendor. By default the Access Point uses the name “3Com”. 3Com recommends that you change the default name.
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Page 41: Encryption
WPA provides a higher level of security, provided by its longer key and dynamic changes made to the key over time. 3Com recommends that you use WPA with any clients which support it. -
Page 42: Configuring Wep Encryption
4: A HAPTER CCESS OINT Figure 27 Encryption Keys Screen showing WPA configuration To enter the pre-shared key as hexadecimal digits: 1 Select Enabled - Manual Pre-shared Key from the WPA Encryption Type drop-down box. 2 Enter a pair of hexadecimal digits in each of the 32 Key fields. Each field can contain a hexadecimal number from 00 to ff, for example 1a. - Page 43 Hexadecimal numbers are formed from 0-9 and A-F. 3Com Encryption String - This method is supported by 3Com Wireless products. The string can contain any alphanumeric characters and must be between 6 and 30 characters long. A single string will automatically generate 4 unique keys for 64 or 128 bit WEP.
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Page 44: Connection Control
4 Keys. You can leave a string blank provided this Key is not selected as the Active Transmit Key. Passphrase - This is another common method and similar to the 3Com Encryption string. In 64 bit WEP, the passphrase will generate 4 different keys. - Page 45 Wireless Settings Figure 29 Connection Control Screen A higher level of security can be achieved for your wireless network if you use both encryption and you specify only certain wireless computers can connect to the Access Point. By default, any wireless computer that has the same Service Area Name/SSID, channel and encryption settings as the Access Point can connect to it.
- Page 46 4: A HAPTER CCESS OINT To create a list of Wireless computers that can access the Access Point: 1 Press New. The screen shown in 2 Select one or more MAC addresses of the Wireless PCs that you want to allow to connect to the Access Point.
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Page 47: Client List
Client List Figure 32 Client List Screen The Wireless Client List provides details on the devices that are connected to the Wireless LAN. The list is only created when Wireless Networking is enabled. For each device that is connected to the Wireless LAN the following information is displayed: MAC Address —... -
Page 48: Profile
2 Your browser will then prompt you to enter a file name and folder location in which to save the profile. Once the profile has been saved it can be copied on to another PC and imported into the 3Com Wireless Network Adapter. - Page 49 Wireless Settings For instructions on how to import a profile, refer to the User Guide that accompanies your 3Com Wireless Network Adapter(s). If, once the profile is imported, the Wireless Network Adapter cannot connect to the Access Point, check that:...
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Page 50: System Tools
4: A HAPTER CCESS OINT ONFIGURATION System Tools The main frame of the System Tools screen includes three administration items: Restart, Configuration, and Upgrade (Figure 34). Restart Figure 34 Restart Screen If your Access Point is not operating correctly, you can choose to restart the Access Point by selecting Restart the Access Point, simulating the effect of power cycling the unit. -
Page 51: Upgrade
System Tools Select the Configuration tab to display the Configuration screen (Figure 35). Backup Configuration Click BACKUP to save the current Access Point configuration. You will be prompted to download and save a file to disk. Restore Configuration Data If you want to reinstate the configuration settings previously saved to a file, press Browse to locate the backup file on your computer, and then click RESTORE to copy the data into the Access Point's memory. - Page 52 ONFIGURATION The Upgrade facility allows you to install on the Access Point any new releases of system software that 3Com may make available. To install new software, you first need to download the software from the 3Com support web site to a folder on your computer. Once you have done this, select Browse to tell your web browser where this file is on your computer, and then click Apply.
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Page 53: Status And Logs
Status and Logs Status and Logs Figure 37 Status and Logs Screen Selecting Status and Logs from the main menu displays the Status and Logs screens (Figure 37) in your Web browser window. The Status screen displays a tabular representation of your network and Internet connection. -
Page 54: Status
4: A HAPTER CCESS OINT Status Status displays the current unit status, including a summary of the configuration Logs Logs will allow you to view the events logged by the Access Point You may be asked to refer to the information on the Status and Logs screens if you contact your supplier for technical support. - Page 55 Access Point (Figure 38). Selecting the Feedback tab from the Support/Feedback screen displays the feedback screen, allows you to provide feedback to 3Com on the operation of your Access Point (Figure 38). This screen should not be used...
- Page 56 4: A HAPTER CCESS OINT ONFIGURATION...
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Page 57: Client Bridge Mode Configuration
Access Point to its factory default settings. When you reset the Access Point to its factory default settings you will lose all configuration information. 3Com recommends that backup your configuration before changing the mode of the Access Point. To switch the Access Point to Client Bridge mode: 1 Click on the System Tools menu followed by the Configuration tab. -
Page 58: Configuring Client Bridge Mode
5: C HAPTER LIENT RIDGE Configuring Client Once the Access Point has been switched into Client Bridge mode, you Bridge Mode can configure it using the configuration Wizard or by setting options manually. To configure the Access Point using the configuration wizard: 1 Click the Welcome menu, followed by the Wizard tab. -
Page 59: Lan Settings
LAN Settings The LAN Settings screen allows you to set the IP Address and Subnet Mask of your Access Point. Figure 40 Unit Configuration Screen To change the LAN settings for your Access Point: 1 Select Unit Configuration. The screen shown in 2 Enter an IP Address and Subnet Mask in the LAN Settings field. -
Page 60: Configuration
5: C HAPTER LIENT RIDGE Configuration Figure 41 Configuration Screen Enable Wireless Networking Allows you to enable/disable wireless access to your LAN. When disabled, you will not be able to gain access to your Wireless LAN through this Access Point. Service Area Name/SSID Enter the name of your wireless network. - Page 61 WPA provides a higher level of security, provided by its longer key and dynamic changes made to the key over time. 3Com recommends that you use WPA if supported by your wireless network. The Access Point can only use one type of encryption to access the wireless network.
- Page 62 4 Keys. You can leave a string blank provided this Key is not selected as the Active Transmit Key. Passphrase - This is another common method and similar to the 3Com Encryption string. In 64 bit WEP, the passphrase will generate 4 different keys.
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Page 63: Restart
System Tools The main frame of the System Tools screen includes three administration items: Restart, Configuration, and Upgrade Restart Figure 43 Restart Screen The System Tools screens are the same under Access Point mode and Client Bridge mode: Status and Logs Selecting Status and Logs from the main menu displays the Status and Logs screens in your Web browser window. - Page 64 5: C HAPTER LIENT RIDGE Logs screens are the same under Access Point mode and Client Bridge mode: ONFIGURATION “Support and Feedback” and Feedback screens. page 54 for details of the Support...
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Page 65: Basic Connection Checks
Basic Connection Checks Browsing to the If you have connected your Access Point, admin computer and switch Access Point together but cannot browse to the Access Point configuration screens, Configuration check the following: Screens ROUBLESHOOTING Check that the Access Point is connected to your switch or hub and that all the equipment is powered on. -
Page 66: Forgotten Password And Reset To Factory Defaults
6: T HAPTER ROUBLESHOOTING Forgotten If you can browse to the Access Point configuration screen but cannot log Password and Reset on because you do not know or have forgotten the password, follow the to Factory Defaults steps below to reset the Access Point to it’s factory default configuration. CAUTION: All your configuration changes will be lost, and you will need to run the configuration wizard again before you can re-establish your wireless network. - Page 67 Wireless Networking Verify that your wireless computers are configured to work in Infrastructure mode and not Ad Hoc mode. The Access Point is designed to operate in Infrastructure mode. Ad Hoc mode is not supported by the Access Point. If you have a wired and wireless NIC in the same computer, ensure that the wired NIC is disabled.
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Page 68: Alert Led
Remove power from the Access Point, wait 10 seconds and then re-apply power. If the Alert LED comes on continuously again, then a fault has been detected. Locate the copy of the Access Point software on the accompanying CD-ROM or 3Com web site ( http://www.3com.com see if this clears the fault (refer to “Recovering from Corrupted... -
Page 69: Frequently Asked Questions
Ensure that one of your computers has a copy of the new software image file stored on its hard disk or available on CD-ROM. The latest software is available on 3Com’s Web site at: www.3com.com. 1 Remove power from the Access Point and connect the admin computer to the LAN port. - Page 70 Upgrades to the Access Point software are posted on the 3Com support web site, accessible by visiting: http://www.3com.com The 3Com Knowledgebase at: http://knowledgebase.3com.com...
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Page 71: Using
Running the 3Com provides a user friendly Discovery application for detecting the Discovery Access Point on the network. Application If you are unable to use the Discovery application, the Access Point on initial power-up will attempt to obtain an IP address from your local DHCP server. - Page 72 A: U PPENDIX SING ISCOVERY 2 When the Welcome screen is displayed, select the NIC from which the Access Point will be discovered. Then click on Next and wait until the application discovers the Access Points connected to your LAN. Figure 45 Discovered Access Point Screen Figure 45 Wireless 11g Access Point by clicking on it, and press Next.
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Page 73: Ip Addressing
IP A The Internet The Internet protocol suite consists of a well-defined set of Protocol Suite communications protocols and several standard application protocols. Transmission Control Protocol/Internet Protocol (TCP/IP) is probably the most widely known and is a combination of two of the protocols (IP and TCP) working together. - Page 74 B: IP A PPENDIX DDRESSING For your network to work correctly, all devices on the network must have: The only value that will be different is the specific host device number. This value must always be unique. An example IP address is ‘192.168.100.8’. However, the size of the network determines the structure of this IP Address.
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Page 75: How Does A Device Obtain An Ip Address And Subnet Mask
This type of IP Address operates on a subnet mask of ‘255.255.0.0’. represented) and a Access Point might be configured. Table 4 IP Addressing and Subnet Masking Device PC 1 PC 2 PC 3 PC 4 Access Point How does a Device There are three different ways to obtain an IP address and the subnet Obtain an IP mask. - Page 76 B: IP A PPENDIX DDRESSING an IP address at random from the industry standard subnet of 169.254.x.x (with a subnet mask of 255.255.0.0). If two devices allocate themselves the same address, the conflict is detected and one of the devices allocates itself a new address. Automatic IP addressing support was introduced by Microsoft in the Windows 98 operating system and is also supported in Windows 2000.
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Page 77: T Echnical S Pecifications
This section lists the technical specifications for the OfficeConnect Wireless 11g Access Point. Wireless 11g Access Interfaces Point LAN connection - 10Mbps/100Mbps dual speed Ethernet port (10BASE-T/100BASE-TX) WLAN Interfaces Standard IEEE 802.11g, Direct Sequence Spread Spectrum (DSSS) Transmission rate: 54Mbps, automatic fallback to 48, 36, 24, 18, 12, or 6 Mbps Maximum channels: 14 Range up to 304.8m (1000ft) -
Page 78: C Technical Standards
C: T PPENDIX ECHNICAL PECIFICATIONS Operating Temperature 0 °C to 40 °C (32 °F to 105 °F) Power 7VA, 23.9 BThU/hr Humidity 0 % to 90 % (non-condensing) humidity Dimensions Weight Approximately 500 g (1.1 lbs) Standards Functional: Safety: EMC: Radio Environmental: EN 60068 (IEC 68) Width = 220 mm (8.7 in.) - Page 79 *See System Requirements Operating Systems The Access Point will support the following Operating Systems: Ethernet Performance The Access Point complies to the IEEE 802.3i, u and x specifications. Wireless Performance The Access Point has been designed to conform to the Wi-Fi interoperability test standard.
- Page 80 C: T PPENDIX ECHNICAL PECIFICATIONS...
- Page 81 Important Safety Information WARNING: Warnings contain directions that you must follow for your personal safety. Follow all directions carefully. You must read the following safety information carefully before you install or remove the unit: WARNING: The Access Point generates and uses radio frequency (rf) energy.
- Page 82 D: S PPENDIX AFETY NFORMATION WARNING: Disconnect the power adapter before moving the unit. WARNING: RJ-45 ports. These are shielded RJ-45 data sockets. They cannot be used as telephone sockets. Only connect RJ-45 data connectors to these sockets. Wichtige Sicherheitshinweise VORSICHT: Warnhinweise enthalten Anweisungen, die Sie zu Ihrer eigenen Sicherheit befolgen müssen.
- Page 83 VORSICHT: Es sind keine von dem Benutzer zu ersetzende oder zu wartende Teile in dem Gerät vorhanden. Wenn Sie ein Problem mit dem Access Point haben, das nicht mittels der Fehleranalyse in dieser Anleitung behoben werden kann, setzen Sie sich mit Ihrem Lieferanten in Verbindung.
- Page 84 D: S PPENDIX AFETY NFORMATION AVERTISSEMENT: L’appareil fonctionne à une tension extrêmement basse de sécurité qui est conforme à la norme CEI 60950. Ces conditions ne sont maintenues que si l'équipement auquel il est raccordé fonctionne dans les mêmes conditions. AVERTISSEMENT: Il n’y a pas de parties remplaceables par les utilisateurs ou entretenues par les utilisateurs à...
- Page 85 Subject to the restrictions set forth herein, the Software is licensed to be used on any workstation or any network server owned by or leased to you, for your internal use, provided that the Software is used only in connection with this 3Com product. You may reproduce and provide one (1) copy of the Software and Documentation for each such workstation or network server on which the Software is used as permitted hereunder.
- Page 86 Software and Documentation, and may be amended only in a writing signed by both parties. Should you have any questions concerning this Agreement or if you desire to contact 3Com for any reason, please contact the 3Com subsidiary serving your country, or write: 3Com Corporation, 5500 Great America Parkway, P.O.
- Page 87 LOSSARY 802.11b The IEEE specification for wireless Ethernet which allows speeds of up to 11 Mbps. The standard provides for 1, 2, 5.5 and 11 Mbps data rates. The rates will switch automatically depending on range and environment. 802.11g The IEEE specification for wireless Ethernet which allows speeds of up to 54 Mbps.
- Page 88 LOSSARY configure to use the best common speed. The order of preference (best first) is: 100BASE-TX full duplex, 100BASE-TX half duplex, 10BASE-T full duplex, and 10BASE-T half duplex. Auto-negotiation is defined in the IEEE 802.3 standard for Ethernet and is an operation that takes place in a few milliseconds.
- Page 89 DNS Server Address DNS stands for Domain Name System, which allows Internet host computers to have a domain name (such as 3com.com) and one or more IP addresses (such as 192.34.45.8). A DNS server keeps a database of host computers and their respective domain names and IP addresses, so that when a domain name is requested (as in typing “3com.com”...
- Page 90 LOSSARY IEEE Institute of Electrical and Electronics Engineers. This American organization was founded in 1963 and sets standards for computers and communications. IETF Internet Engineering Task Force. An organization responsible for providing engineering solutions for TCP/IP networks. In the network management area, this group is responsible for the development of the SNMP protocol.
- Page 91 LOSSARY MAC Address Media Access Control Address. Also called the hardware or physical address. A layer 2 address associated with a particular network device. Most devices that connect to a LAN have a MAC address assigned to them as they are used to identify other devices in a network. MAC addresses are 6 bytes long.
- Page 92 LOSSARY Switch A device that interconnects several LANs to form a single logical LAN that comprises of several LAN segments. Switches are similar to bridges, in that they connect LANs of a different type; however they connect more LANs than a bridge and are generally more sophisticated. TCP/IP Transmission Control Protocol/Internet Protocol.
- Page 93 LOSSARY WLAN Wireless Local Area Network. A WLAN is a group of computers and devices connected together by wireless in a relatively small area (such as a house or office). Wi-Fi Protected Access. A dynamically changing encryption mechanism for wireless networking. Encryption strength is 256 bit.
- Page 94 LOSSARY...
- Page 95 NDEX Access 13 Addresses IP 73 Administration Password 26, 33 Automatic Addressing 75 Cable Specifications 79 Channels 97 Configuration backup 51 restore 51 Conventions notice icons, About This Guide 8 text, About This Guide 8 Country Selection 24 DHCP 27, 38, 75 Discovery Application 71 Forgotten Password 66 Internet...
- Page 96 NDEX Unit Configuration 34 Upgrade 51 Wireless authorised PCs 45 channel selection 39 client list 47 configuration 39, 60 connection control 44 encryption 41, 60 LED 15 networking 66 NIC 14 service area name 40, 60 settings 28, 39, 59...
- Page 97 Channels Use of the Wireless 11g Access Point is only authorized for the channels approved by each country. For proper installation, login to the management interface and select your country from the drop down list. Table 5 agencies: Table 5 Channels Channels 1–13 1–11...
- Page 98 FCC Declaration of We declare under our sole responsibility that the Conformity Model: 3CRWE454G72 to which this declaration relates, is in conformity with the following standards or other normative documents: Reorient the receiving antenna. Relocate the equipment with respect to the receiver.
- Page 99 Exposure to Radio Frequency Radiation: The radiated output power of the 3Com OfficeConnect Wireless 11g Access Point is far below the FCC radio frequency exposure limits. Nevertheless, the 3Com OfficeConnect Wireless 11g Access Point shall be used in such manner that the potential for human contact during normal operation is minimized.
- Page 100 FCC Section 2.1091. In Statement (U.S.) order to comply with the FCC RF exposure requirements, the 3Com OfficeConnect Wireless Cable/DSL Gateway must only be installed with approved antennas and a minimum separation distance of 20 cm (8 in) must be maintained from the antenna to any nearby persons.
- Page 102 3Com Corporation, Corporate Headquarters, 5500 Great America Parkway, Santa Clara, CA 95052-8145, USA. To learn more about 3Com products and services, visit our World Wide Web site at www.3com.com All specifications are subject to change without notice. Copyright © 2003 3Com Corporation. All rights reserved.