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Part No. DUA0045-4AAA02

Rev. 01

Published November 2003

OfficeConnect

Wireless 11a/b/g Access Point
User Guide

3CRWE454A72

Содержание OfficeConnect 3CRWE454A72

Страница 1: ...http www 3com com Part No DUA0045 4AAA02 Rev 01 Published November 2003 OfficeConnect Wireless 11a b g Access Point User Guide 3CRWE454A72 ...

Страница 2: ... documentation contained in or delivered to you in conjunction with this User Guide Unless otherwise indicated 3Com registered trademarks are registered in the United States and may or may not be registered in other countries 3Com the 3Com logo and SuperStack are registered trademarks of 3Com Corporation XRN is a trademark of 3Com Corporation IEEE and 802 are registered trademarks of the Institute...

Страница 3: ...ckage Contents 13 Minimum System and Component Requirements 14 Front Panel 14 Rear Panel 16 2 HARDWARE INSTALLATION Introduction 17 Safety Information 17 Positioning the Access Point 17 Using the Rubber Feet 18 Wall Mounting 18 Powering Up the Access Point 19 Connecting the Access Point 19 3 RUNNING THE SETUP WIZARD Accessing the Wizard 21 LAN Settings 27 4 ACCESS POINT CONFIGURATION Navigating Th...

Страница 4: ...eboot 44 Configuration Tools 45 Firmware Upgrade 46 5 TROUBLESHOOTING Basic Connection Checks 49 Browsing to the Access Point Configuration Screens 49 Forgotten Password and Reset to Factory Defaults 50 Wireless Networking 50 Alert LED 52 Recovering from Corrupted Software 52 Frequently Asked Questions 53 A USING DISCOVERY Running the Discovery Application 55 Windows Installation 95 98 2000 Me NT ...

Страница 5: ...n IP Address and Subnet Mask 59 DHCP Addressing 59 Static Addressing 59 Auto IP Addressing 59 C TECHNICAL SPECIFICATIONS Standards 62 D SAFETY INFORMATION E END USER SOFTWARE LICENSE AGREEMENT GLOSSARY INDEX REGULATORY NOTICES FOR THE WIRELESS 11G ACCESS POINT ...

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Страница 7: ...ion 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 Naming Convention Throughout this guide the OfficeConnect Wireless 11a b g Access Point is referred to as the Access Point Category 3 and Category 5 Twisted Pair Cables are referred to as...

Страница 8: ...Caution Information that alerts you to potential loss of data or potential damage to an application system or device Warning Information that alerts you to potential personal injury Table 2 Text Conventions Convention Description The words enter and type When you see the word enter in this guide you must type something and then press Return or Enter Do not press Return or Enter when an instruction...

Страница 9: ...Support please refer to the Support and Safety Information sheet Related Documentation In addition to this guide each Access Point document set includes one 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 htt...

Страница 10: ...10 ABOUT THIS GUIDE ...

Страница 11: ... of communication but until recently only large businesses could afford the networking advantage The OfficeConnect product range from 3Com has changed all this bringing networks to the small office The products within the OfficeConnect range give you the small office user the same power flexibility and protection that has been available only to large corporations Now you can harness the benefits o...

Страница 12: ...nternet e mail and network resources such as printers available to dozens of wireless clients Because the 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 3Com 3Com Wireless 11a b g Wireless 11a b g Access Point Access Point Computer Computer Hub Switch Hub Switch Wireless User Wireless User Wi...

Страница 13: ...s clients Support for Wireless Equivalent Privacy WEP and Wi Fi Protected Access WPA encryption methods Package Contents The Access Point kit includes the following items One OfficeConnect Wireless 11a b g Access Point One power adapter for use with the Access Point Four rubber feet One Ethernet cable One CD ROM containing the Access Point Discovery program and this User Guide Installation Guide O...

Страница 14: ...plorer 5 0 or higher or Mozilla 1 2 1 or higher Front Panel The front panel of the Access Point contains a series of indicator lights LEDs that help describe the state of various networking and connection operations Figure 2 Access Point Front Panel 1 Alert LED Orange Indicates a number of different conditions as described below Off The Access Point is operating normally Flashing quickly Indicates...

Страница 15: ...n Indicates that the Access Point is powered on 3 Wireless LAN WLAN Status LEDs Yellow There are two LEDs one for 11a and one for 11g If an LED is flashing it indicates that wireless networking is enabled The LED is flashing shows that data is being transmitted or received If the LED is off the Wireless LAN has been disabled in the Access Point or there is a problem Refer to Chapter 5 Troubleshoot...

Страница 16: ...0 degrees in either direction 6 Power Adapter Socket Only use the power adapter supplied with this Access Point Do not use any other adapter 7 Power Adapter OK LED Green Indicates that the power adapter is supplying Power to the Access Point If the LED is off there may be a problem with the power adapter or adapter cable 8 Ethernet Port Use the supplied patch cable to connect the Access Point to t...

Страница 17: ... attentivement la section Consignes importantes de sécurité avant de mettre en route Positioning the Access Point You should place the Access Point in a location that allows convenient connection to the computer or other ethernet device that will be connected to the LAN port on the rear panel allows easy viewing of the front panel LED indicator lights and access to the rear panel connectors if nec...

Страница 18: ...acking with other flat top OfficeConnect units Only stick the feet to the marked areas at each corner of the underside of your Access Point Wall Mounting There are two slots on the underside of the Access Point that can be used for wall mounting When wall mounting the unit ensure that it is within reach of the power outlet You will need two suitable screws to wall mount the unit To do this 1 Ensur...

Страница 19: ...Point to connect to the wireless LAN to the wired LAN 1 Insert one end of the supplied Ethernet RJ 45 Category 5 cable into the LAN port on the rear panel of the Access Point 2 Insert the other end of the cable into the RJ 45 port on switch or hub Check that the LAN status LED lights on the Access Point You have now completed the hardware installation of your Access Point Next you need to set up y...

Страница 20: ...20 CHAPTER 2 HARDWARE INSTALLATION ...

Страница 21: ...Point Yout wireless NIC should be set as follows Encryption none Service Area Name SSID 3Com The Access Point setup program is Web based which means that it is accessed through your Web browser Netscape Navigator Internet Explorer or Mozilla To use the Setup Wizard 1 Ensure that you have at least one computer connected to the Access Point Refer to Chapter 2 for details on how to do this 2 Insert t...

Страница 22: ...the application discovers the Access Points connected to your LAN Figure 6 Discovered Access Point Screen 4 Figure 6 shows an example Discovered Devices screen Highlight the Wireless 11a b g Access Point by clicking on it and press Next If the discovery application finds multiple Access Points compare the serial number on the Discovered Devices Screen with the serial number on the base of your Acc...

Страница 23: ... Click on Finish to launch a web browser and display the login page for the Access Point as shown in Figure 8 6 To log in enter the password the default setting is admin in the System Password field and click Log in Figure 8 Figure 8 Access Point Login Screen ...

Страница 24: ...yed on initial configuration of the Access Point Figure 9 Country Selection Screen 9 When you have logged in and selected a country either The Status screen will appear Figure 10 Select the Wizard option from the menu on the left hand side or If your Access Point has not been configured before the Wizard page will be shown refer to Figure 10 10 Click Next 11 You will be guided step by step through...

Страница 25: ...Accessing the Wizard 25 Figure 10 Welcome Screen Figure 11 Setup Wizard ...

Страница 26: ...ss Point from a wireless computer any changes you make to the wireless configuration will result in communication between the Access Point and your computer being lost This is why 3Com strongly recommends that you configure the Access Point from a wired computer It is very important that you set up your wireless clients to use the same Service Area Name or SSID as the one you use on this screen If...

Страница 27: ...P address from a DHCP server already operating on your network Specify an IP address manually Select this option to manually configure the IP address of the Access Point This screen displays a suggested LAN IP address subnet mask and default gateway of the Access Point It also allows you to change the IP address subnet mask and default gateway 3Com recommends that you manually assign your Access P...

Страница 28: ...28 CHAPTER 3 RUNNING THE SETUP WIZARD ...

Страница 29: ... in the main part of the screen If there are more option for the menu selection then these will appear under the original menu option Wizard Allows a quick configuration of the basic functions of the Access Point Status displays the firmware version of the Access Point current IP address lists showing connected wireless clients and log file entries LAN allows you to configure IP address subnet mas...

Страница 30: ...0 CHAPTER 4 ACCESS POINT CONFIGURATION Status Page Figure 13 Access Point Status Screen The Status section allows you to view the IP address of the unit firmware version wireless clients and security log ...

Страница 31: ...Status Page 31 Wizard Figure 14 Wizard Screen Click WIZARD to launch the configuration wizard Refer to Chapter 3 for information on how to run the wizard ...

Страница 32: ...figure the IP address static IP 3Com recommends that you manually assign your Access Point a static IP address Figure 15 Unit Configuration Screen Dynamic IP Address Select Dynamic IP Address automatically allocated and the screen shown in Figure 15 is displayed Check all your settings and click Apply If the Access Point is set to obtain an IP address automatically and is unable to contact a DHCP ...

Страница 33: ... be specified manually The screen shown in Figure 16 is displayed Figure 16 Unit Configuration Screen For Static IP Address Wireless Settings To improve the security of your wireless network 3Com recommends that you 1 Change the SSID from its default value see page 34 2 Enable Encryption see page 35 3 Enable Access Control see page 39 Wireless Figure 17 Wireless Settings ...

Страница 34: ... correct channel but if they don t you must configure them to use the same channel number as the Access Point Valid channels are country dependent See Channels on page 81 for a list of channels approved by each country Auto allows the Access Point to automatically select an available channel when first powered on Service Area Name SSID This allows you to name your Wireless networks The fields will...

Страница 35: ...om detecting your SSID and attempting to connect to your network If you have a wireless client that can detect all the available SSIDs in your area your client will not list the Access Point SSID when this feature is enabled 3Com recommends that you install your wireless network with this feature disabled and then enable it once you have set up the Access Point and wireless clients If you set the ...

Страница 36: ... Access Point you must reconfigure your wireless PCs to use exactly the same Encryption Type and Keys otherwise the devices will not understand each other The encryption methods used by the Access Point secure data transmitted through wireless communications between the Access Point and its wireless clients Enabling encryption has no security effect on data transmitted through wired Ethernet conne...

Страница 37: ...ies of hexadecimal digits or as a pass phrase Figure 19 Encryption Keys Screen showing WPA configuration To enter the pre shared key as passphrase 1 Select Pre shared Key from the Authentication options 2 Select Preshared key type passphrase 3 Enter a phrase of between 8 and 63 characters in length in the Pre shared key field This passphrase will be used to generate a 256 bit key 4 Click Apply to ...

Страница 38: ...ng WEP configuration A Key is a hexadecimal 0 9 A F number used to encrypt and decrypt the data There can be up to 4 keys and each key can be as long as 26 digits The Access Point also offers a method for converting plain text into hex keys The text is much easier to remember than hex keys but it relies on your wireless adapters also supporting this feature Different manufacturers have developed d...

Страница 39: ...when you enable WEP ensure that you check that each key on your wireless computer is exactly the same as each key on your Access Point In other words Key number 1 on the Wireless computer must have the same Hex number as Key number 1 on the Access Point Key 2 on the Wireless computer must match Key 2 on the Access Point and so on The Active Transmit Key selects which of the 4 Keys the Access Point...

Страница 40: ...hannel and encryption settings as the Access Point can connect to it If you enable this feature from a Wireless PC it will automatically be added to the Authorised Wireless PC list Authorised Wireless PCs To create a list of Wireless computers that can access the Access Point 1 Select Yes to enable MAC filtering 2 Select Allow for the Access Rule 3 Enter upto 32 MAC addresses that you want to allo...

Страница 41: ...ng that entry in the table Once an entry has been deleted it cannot be undone Please wait 30 seconds for changes to take effect 802 1X Authentication Figure 22 802 1X In order to use the 802 1X feature you need to have a RADIUS server on your LAN To set this up you will need to enter details of your RADIUS server into the fields ...

Страница 42: ... be wirelessly connected to the LAN This is useful when it is not possible to route a network cable to the desired site for the Access Point To enable this feature the MAC addresses of each access point needs to be entered into the table so that the access points are able to communicate with each other The SSIDs and security settings also need to be the same The option is also given to choose if y...

Страница 43: ... do this 1 Enter the current password in the Current Password field 2 Enter the new password in the New Password field 3 Enter the new password again in the Re Enter Password field 4 Click Apply to save the new password The password is case sensitive If you have forgotten your password you need to reset the Access Point See Forgotten Password and Reset to Factory Defaults on page 50 ...

Страница 44: ...ss Point and then clicking Apply simulating the effect of power cycling the unit No configuration information will be lost but the log files will be erased Any network users who are currently connected to the Access Point will have their access interrupted whilst the restart takes place and they may need to reboot their computers when the restart has completed and the Access Point is operational a...

Страница 45: ...usly saved to a file Select Restore from Store Configuration File Reset to Factory Default If you want to reset the settings on your Access Point to those that were loaded at the factory select Restore OfficeConnect to Factory Defaults You will lose all your configuration changes The Access Point reverts to a DHCP client and will therefore restart requiring a new IP address To communicate with the...

Страница 46: ...file is on your computer and then click Apply The file will be copied to the Access Point and once this has completed the Access Point will restart Although the upgrade process has been designed to preserve your configuration settings it is recommended that you make a backup of the configuration beforehand in case the upgrade process fails for any reason for example the connection between the comp...

Страница 47: ...47 upgrade procedure if you do the software may be corrupted and the Access Point may not start up properly afterwards If the Alert LED comes on continuously after a failed upgrade refer to Chapter 5 Troubleshooting ...

Страница 48: ...48 CHAPTER 4 ACCESS POINT CONFIGURATION ...

Страница 49: ...eens If you have connected your Access Point admin computer and switch together but cannot browse to the Access Point configuration screens check the following Confirm that the physical connection between your computer and the Access Point is OK and that the link status LEDs on the Access Point and NIC are illuminated and indicating the same speed 10Mbps or 100Mbps Some NICs do not have status LED...

Страница 50: ...l other computer users will lose their network connections whilst this process is taking place so choose a time when this would be convenient 1 Remove power from the Access Point 2 Hold down the Reset button on the rear of the unit and re apply power to the Access Point The Alert LED will flash as the Access Point starts up and after approximately 30 seconds will start to flash more slowly typical...

Страница 51: ... Point If you are having difficulty connecting or are operating at a low speed try changing the antenna positions on the rear of the Access Point For more effective coverage you can try reorientating your antennae Place one antenna vertically and one horizontally to improve coverage Additionally consider moving the wireless computer closer to the Access Point to confirm that the building structure...

Страница 52: ...r wireless computer Consult your Wireless Card documentation and vendor for more details Alert LED The Alert LED will flash when the Access Point unit is first powered up while the system software checks the hardware for proper operation Once the Access Point has started normal operation the Alert LED will go out If the Alert LED does not go out following start up but illuminates continuously this...

Страница 53: ...Alert LED will go out 6 Reconnect your Access Point to your network If the Access Point does not resume normal operation following the upload it may be faulty Contact your supplier for advice Frequently Asked Questions How do I reset the Access Point to Factory Defaults See Forgotten Password and Reset to Factory Defaults on page 50 How many wireless clients does the Access Point support A maximum...

Страница 54: ...e 3Com support web site accessible by visiting http www 3com com What other online resources are there The 3Com Knowledgebase at http knowledgebase 3com com is a database of technical information covering all 3Com products It is updated daily with information from 3Com technical support services and it is available 24 hours a day 7 days a week ...

Страница 55: ...power up will attempt to obtain an IP address from your local DHCP server Consult your DHCP Server log to obtain the IP address that was allocated to your Access Point Windows Installation 95 98 2000 Me NT XP 1 Insert the Access Point CD ROM in the CD ROM drive on your computer A menu will appear select Discovery Discovery will find the Access Point even if it is unconfigured or misconfigured Figu...

Страница 56: ...til the application discovers the Access Points connected to your LAN Figure 14 Discovered Access Point Screen 3 Figure 14 shows an example Discovered Devices screen Highlight the Wireless 11g Access Point by clicking on it and press Next Figure 15 Discovery Finish Screen 4 Click on Finish to launch a web browser and display the login page for the Access Point ...

Страница 57: ...r the network the Access Point must be correctly configured with the following IP information An IP address A Subnet Mask Default Gateway IP Addresses and Subnet Masks Each device on your network must have a unique IP address to operate correctly An IP address identifies the address of the device to which data is being sent and the address of the destination network IP addresses have the format n ...

Страница 58: ...192 168 100 identifies the network on which the device resides Part two 8 identifies the device within the network This type of IP Address operates on a subnet mask of 255 255 255 0 See Table 3 for an example about how a network with three computers and a Access Point might be configured Table 3 IP Addressing and Subnet Masking Type Two In larger networks where there are more devices the IP addres...

Страница 59: ...manually on every device Using a static IP and subnet mask means the address is permanently fixed Auto IP Addressing Network devices use automatic IP addressing if they are configured to acquire an address using DHCP but are unable to contact a DHCP server Automatic IP addressing is a scheme where devices allocate themselves an IP address at random from the industry standard subnet of 169 254 x x ...

Страница 60: ...60 APPENDIX B IP ADDRESSING ...

Страница 61: ...ack to 48 36 24 18 12 or 6 Mbps Maximum channels 20 Range up to 304 8m 1000ft Frequency US Canada Europe 5 150 5 825 GHz Sensitivity 6 12 18 24 36 48 Mbps 85 dBm 54 Mbps 66 dBm typical Modulation BPSK OFDM QPSK OFDM Encryption 40 64 bit WEP 128 bit WEP 256 bit WPA Maximum clients 128 O P Power 18dBm Standard IEEE 802 11g Direct Sequence Spread Spectrum DSSS Transmission rate 54Mbps automatic fallb...

Страница 62: ...1000ft Frequency US Canada Europe 2 400 2 4835 GHz Sensitivity 1 2 5 5 Mbps 85 dBm 11 Mbps 82 dBm typical Modulation CCK BPSK QPSK Encryption 40 64 bit WEP 128 bit WEP 256 bit WPA Maximum clients 128 O P Power 18dBm 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 Width 220 mm 8 7 in Depth 135 mm 5 3 in Height 24 mm 1 in Wei...

Страница 63: ...ntal EN 60068 IEC 68 See FCC Statement on page 81 for conditions of operation System Requirements Operating Systems The Access Point will support the following Operating Systems Windows 95 98 Windows NT 4 0 Windows ME Windows 2000 Windows XP Mac OS 8 5 or higher Unix Ethernet Performance The Access Point complies to the IEEE 802 3i u and x specifications Wireless Performance The Access Point has b...

Страница 64: ... Specifications The Access Point supports the following cable types and maximum lengths Category 3 Ethernet or Category 5 Fast Ethernet or Dual Speed Ethernet Twisted Pair shielded and unshielded cable types Maximum cable length of 100m 327 86 ft ...

Страница 65: ...NING Only stack the Access Point with other OfficeConnect units WARNING To ensure compliance with international safety standards only use the power adapter that is supplied with the unit WARNING The socket outlet must be near to the unit and easily accessible You can only remove power from the unit by disconnecting the power cord from the outlet WARNING This unit operates under SELV Safety Extra L...

Страница 66: ...ch bei den zuständigen Stellen ob die Verwendung von Funkfrequenz in dem Bereich in dem der Bluetooth Access Point eingesetzt werden soll erlaubt ist VORSICHT Bei der Installation und beim Ausbau des Geräts ist mit höchster Vorsicht vorzugehen VORTSICHT Stapeln Sie das Geräts nur mit anderen OfficeConnect Gerätes zusammen VORSICHT Aufgrund von internationalen Sicherheitsnormen darf das Gerät nur m...

Страница 67: ... toutes les consignes Nous vous demandons de lire attentivement les consignes suivantes de sécurité avant d installer ou de retirer l appareil AVERTISSEMENT L Access Point fournit et utilise de l énergie radioélectrique radio fréquence rf L utilisation de l énergie radioélectrique est interdite dans certains environnements L utilisateur devra se renseigner sur l autorisation de cette énergie dans ...

Страница 68: ...ilisateurs ou entretenues par les utilisateurs à l intérieur du moyeu Si vous avez un problème physique avec le moyeu qui ne peut pas être résolu avec les actions de la résolution des problèmes dans ce guide contacter votre fournisseur AVERTISSEMENT Débranchez l adaptateur électrique avant de retirer cet appareil AVERTISSEMENT Ports RJ 45 Il s agit de prises femelles blindées de données RJ 45 Vous...

Страница 69: ...INEERING You may transfer the Software Documentation and the licenses granted herein to another party in the same country in which you obtained the Software and Documentation if the other party agrees in writing to accept and be bound by the terms and conditions of this Agreement If you transfer the Software and Documentation you must at the same time either transfer all copies of the Software and...

Страница 70: ...icable to the Software are as stated on the Limited Warranty Card or in the product manual whether in paper or electronic form accompanying the Software Such warranties and limitations of liability are incorporated herein in their entirety by this reference GOVERNING LAW This Agreement shall be governed by the laws of the State of California U S A excluding its conflicts of laws principles and exc...

Страница 71: ...10BASE T The IEEE specification for 10 Mbps Ethernet over Category 3 4 or 5 twisted pair cable 100BASE TX The IEEE specification for 100 Mbps Fast Ethernet over Category 5 twisted pair cable Access Point An Access Point is a device through which wireless clients connect to other wireless clients and which acts as a bridge between wireless clients and a wired network such as Ethernet Wireless clien...

Страница 72: ...A 586 standard Category 3 is voice grade cable and can only be used in Ethernet networks 10BASE T to transmit data at speeds of up to 10 Mbps Category 5 Cables One of five grades of Twisted Pair TP cabling defined by the EIA TIA 586 standard Category 5 can be used in Ethernet 10BASE T and Fast Ethernet networks 100BASE TX and can transmit data up to speeds of 100 Mbps Category 5 cabling is better ...

Страница 73: ...issions The OfficeConnect Wireless 11g Access Point uses two types of encryption WPA and WEP WPA is a more powerful level of encryption than WEP ESSID Extended Service Set Identifier The ESSID is a unique identifier for your wireless network You must have the same ESSID entered into the Access Point and each of it s wireless clients Ethernet A LAN specification developed jointly by Xerox Intel and...

Страница 74: ...see also Ad Hoc mode IP Internet Protocol IP is a layer 3 network protocol that is the standard for sending data through a network IP is part of the TCP IP set of protocols that describe the routing of packets to addressed devices An IP address consists of 32 bits divided into two or three fields a network number and a host number or a network number a subnet number and a host number IP Address In...

Страница 75: ...e network A NIC is also known as an adapter or adapter card Protocol A set of rules for communication between devices on a network The rules dictate format timing sequencing and error control RJ 45 A standard connector used to connect Ethernet networks The RJ stands for registered jack Server A computer in a network that is shared by multiple end stations Servers provide end stations with access t...

Страница 76: ...s destination IP relates to the address of the end station to which data is being sent as well as the address of the destination network Traffic The movement of data packets on a network WECA Wireless Ethernet Compatibility Alliance An industry group formed to certify cross vendor interoperability and compatibility of 802 11b and 802 11g wireless networking products and to promote the standard for...

Страница 77: ...figuration 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 WPA Wi Fi Protected Access A dynamically changing encryption mechanism for wireless networking Encryption strength is 256 bit ...

Страница 78: ...78 GLOSSARY ...

Страница 79: ...ery Application 55 F Forgotten Password 50 I Internet addresses 57 IP Address 27 32 57 L LAN 27 32 LED 14 Login 23 56 M MAC Address deleting 41 N Network addresses 57 Networking wireless 50 NIC wireless 14 P Password 23 43 R Reset to Factory Defaults 45 50 Restart 44 S Setup Wizard 21 31 Specifications technical 61 Static Addressing 59 Subnet Mask 27 57 T TCP IP 57 Technical specifications 61 stan...

Страница 80: ...80 INDEX authorised PCs 40 channel selection 34 configuration 33 connection control 39 encryption 35 LED 15 networking 50 NIC 14 service area name 34 settings 33 ...

Страница 81: ...erence in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation Channels Country 1 13 Australia Austria Bahrain Belarus Belgium Chile China Costa...

Страница 82: ...Federal Communications Commission helpful How to Identify and Resolve Radio TV Interference Problems This booklet is available from the U S Government Printing Office Washington DC 20402 Stock No 004 000 00345 4 In order to meet FCC emissions limits this equipment must be used only with cables which comply with IEEE 802 3 FCC Declaration of Conformity We declare under our sole responsibility that ...

Страница 83: ...mplies with the European Low Voltage Directive 73 23 EEC EMC Directive 89 336 EEC as amended by European Directive 93 68 EEC and the Radio and Telecommunications Terminal Equipment Directive 99 5 EC CSA Statement This Class B digital apparatus meets all requirements of the Canadian Interference Causing Equipment Regulations Cet appareil numérique de la classe B respecte toutes les exigences du Règ...

Страница 84: ...reless 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 Potential RF Interference Canada CAUTION To prevent radio interference to the licensed service this device is intended to be operated indoors and away from windows to provide maximum shielding Equipment or it s transmit ant...

Страница 85: ......

Страница 86: ...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 3Com and OfficeConnect are registered trademarks of 3Com Corporation All other company and product names may be trademarks of their respective companies DUA0045 4AAA02 Rev 01 ...

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