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3Com OfficeConnect 3CRWE53172 User Manual
Summary of OfficeConnect 3CRWE53172
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Http://www.3com.Com/ part no. Dua5317-2aaa02 published july 2003 officeconnect ® wireless 11b cable/dsl gateway user guide 3crwe53172.
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3com corporation 5500 bayfront plaza santa clara, california 95052-8145 copyright © 2003, 3com corporation. All rights reserved. No part of this documentation may be reproduced in any form or by any means or used to make any derivative work (such as translation, transformation, or adaptation) withou...
Page 3: Ontents
C ontents a bout t his g uide naming convention 7 conventions 8 feedback about this user guide 8 related documentation 9 product registration 9 1 i ntroducing the g ateway officeconnect wireless 11b cable/dsl gateway 11 gateway advantages 13 package contents 13 minimum system and component requireme...
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Macintosh 27 disabling pppoe and pptp client software 28 disabling web proxy 28 4 r unning the s etup w izard accessing the wizard 29 password 32 time zone 32 wan settings 33 lan settings 38 dhcp 38 wireless settings 39 summary 40 5 g ateway c onfiguration navigating through the gateway configuratio...
Page 5: Ip A
Special applications 65 pc privileges 67 url filter 69 security 73 system tools 75 restart 75 time zone 76 configuration 77 upgrade 78 status and logs 78 status 79 usage 79 logs 80 support/feedback 80 support 81 feedback 81 6 t roubleshooting basic connection checks 83 browsing to the gateway config...
Page 6: Isp I
Dhcp addressing 95 static addressing 95 auto-ip addressing 95 c t echnical s pecifications standards 98 d s afety i nformation e e nd u ser s oftware l icense a greement f isp i nformation g lossary i ndex r egulatory n otices for the w ireless 11b c able /dsl g ateway.
Page 7: Bout
A bout t his g uide this guide describes how to install and configure the officeconnect wireless 11b cable/dsl gateway (3crwe53172). This guide is intended for use by those responsible for installing and setting up network equipment; consequently, it assumes a basic working knowledge of lans (local ...
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8 a bout t his g uide conventions table 1 and table 2 list conventions that are used throughout this guide. Feedback about this user guide your suggestions are very important to us. They will help make our documentation more useful to you. Please e-mail comments about this document to 3com at: pddte...
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Conventions 9 example: ■ officeconnect wireless 11b cable/dsl gateway user guide ■ part number dua5317-2aaa02 ■ page 24 do not use this e-mail address for technical support questions. For information about contacting technical support, please refer to the support and safety information sheet. Relate...
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10 a bout t his g uide.
Page 11: Ntroducing
1 i ntroducing the g ateway 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...
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12 c hapter 1: i ntroducing the g ateway figure 1 example network without a gateway when you use the gateway in your network ( figure 2 ), it becomes your connection to the internet. Connections can be made directly to the gateway, or to an officeconnect switch or hub, expanding the number of comput...
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Gateway advantages 13 gateway advantages the advantages of the gateway include: ■ shared internet connection for both wired and wireless computers ■ 802.11b wireless networking ■ no need for a dedicated, “always on” computer serving as your internet connection ■ cross-platform operation for compatib...
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14 c hapter 1: i ntroducing the g ateway minimum system and component requirements your gateway requires that the computer(s) and components in your network be configured with at least the following: ■ a computer with an operating system that supports tcp/ip networking protocols (for example windows...
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Front panel 15 ■ the administrator has invoked the reset to factory defaults command, or ■ the system software is in the process of being upgraded in each of these cases, wait until the gateway has completed the current operation and the alert led is off. Flashing slowly - the gateway has completed ...
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16 c hapter 1: i ntroducing the g ateway 5 cable/dsl status led green (100mbps link) / yellow (10mbps link) if the led is on, the link between the gateway and the cable or dsl modem is ok. If the led is flashing, the link is ok and data is being transmitted or received. If the led is off, nothing is...
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Rear panel 17 example, a hub or a switch). The lan ports will automatically set themselves to mdi or mdix depending on the device to which they are connected and the type of cable used..
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18 c hapter 1: i ntroducing the g ateway.
Page 19: Ardware
2 h ardware i nstallation introduction this chapter will guide you through a basic installation of the gateway, including: ■ connecting the gateway to the internet. ■ connecting the gateway to your network. ■ setting up your computers for networking with the gateway. Safety information warning: plea...
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20 c hapter 2: h ardware i nstallation when positioning your gateway, ensure: ■ it is out of direct sunlight and away from sources of heat. ■ cabling is away from power lines, fluorescent lighting fixtures, and sources of electrical noise such as radios, transmitters and broadband amplifiers. ■ wate...
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Before you install your gateway 21 before you install your gateway before you install and configure your gateway, you need the following additional information. If you do not have this information, contact your internet service provider (isp). Space is provided below for you to record this informati...
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22 c hapter 2: h ardware i nstallation if your isp allocates ip information dynamically over a protocol other than pppoe, you do not need any further information. This configuration is typical of cable connections. Powering up the gateway to power up the gateway: 1 plug the power adapter into the po...
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Connecting the gateway 23 4 connect your computer to one of the four lan ports on the gateway using a twisted pair cable. Check that the corresponding lan status led on the gateway lights. You have now completed the hardware installation of your gateway. Next you need to set up your computers so tha...
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24 c hapter 2: h ardware i nstallation.
Page 25: Etting
3 s etting u p y our c omputers the gateway has the ability to dynamically allocate network addresses to the computers on your network, using dhcp. However, your computers need to be configured correctly for this to take place. To change the configuration of your computers to allow this, follow the ...
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26 c hapter 3: s etting u p y our c omputers figure 6 local area properties screen 6 ensure that the options obtain an ip address automatically, and obtain dns server address automatically are both selected as shown in figure 7 . Click ok. Figure 7 internet protocol (tcp/ip) properties screen 7 rest...
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Obtaining an ip address automatically 27 windows xp 1 from the windows start menu, select control panel. 2 click on network and internet connections. 3 click on the network connections icon. 4 double click on lan or high speed connection icon. A screen titled local area connection status will appear...
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28 c hapter 3: s etting u p y our c omputers disabling pppoe and pptp client software if you have pppoe or pptp client software installed on your computer, you will need to disable it. To do this: 1 from the windows start menu, select settings > control panel. 2 double click on internet options. 3 s...
Page 29: Unning
4 r unning the s etup w izard accessing the wizard the gateway setup program is web-based, which means that it is accessed through your web browser (netscape navigator 4.7 or higher, internet explorer 5.0 or higher, or mozilla 1.2.1 or higher). To use the setup wizard: 1 ensure that you have at leas...
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30 c hapter 4: r unning the s etup w izard figure 10 gateway login screen 5 if the password is correct, the country selection screen will appear. Select the country you wish to configure the gateway for, then click apply. ( figure 11 ) figure 11 country selection screen 6 when you have selected a co...
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Accessing the wizard 31 ■ if your gateway has not been configured before, the wizard will launch automatically (refer to figure 13 ). 7 click next. 8 you will be guided step by step through a basic setup procedure. Figure 12 welcome screen figure 13 wizard screen.
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32 c hapter 4: r unning the s etup w izard password figure 14 change administration password screen when the change administration password screen ( figure 14 ) appears, type the old password, then a new password in both the new password and confirm password boxes. 3com recommends entering a new pas...
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Accessing the wizard 33 the daylight savings option advances the system clock by one hour. It does not cause the system clock to be updated for daylight savings time automatically. Wan settings figure 16 internet settings screen this internet addressing mode window allows you to set up the gateway f...
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34 c hapter 4: r unning the s etup w izard pppoe mode figure 17 pppoe screen to setup the gateway for use with a ppp over ethernet (pppoe) connection, use the following procedure: 1 enter your ppp over ethernet user name in the pppoe user name text box. 2 enter your ppp over ethernet password in the...
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Accessing the wizard 35 dynamic ip address mode to setup the gateway for use with a dynamic ip address connection: 1 select the isp provides configuration dynamically (via dhcp) and then click next. See figure 16 . Figure 18 hostname screen 2 some isps require a host name. If your isp has this requi...
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36 c hapter 4: r unning the s etup w izard static ip mode to setup the gateway for use with a static ip address connection, use the following procedure: 1 select isp has provided a static ip address, (see figure 16 ) and then click next. Figure 20 displays. Figure 20 static ip mode screen 2 enter yo...
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Accessing the wizard 37 pptp mode figure 21 pptp mode screen to setup the gateway for use with a pptp connection, use the following procedure: 1 enter your pptp server address in the pptp server address text box. 2 enter your pptp user name in the pptp user name text box. 3 enter your pptp password ...
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38 c hapter 4: r unning the s etup w izard 6 ip settings must be used when establishing a pptp connection. Fill in the initial ip address and the initial subnet mask fields if your isp has provided you with these settings. Alternatively, if the pptp server is located in your dsl modem, click suggest...
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Accessing the wizard 39 make your required changes. To disable dhcp, select do not enable the dhcp server. Click next when you have finished. Wireless settings figure 25 wireless configuration screen this screen displays the channel and service area name. It also allows you to change these settings....
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40 c hapter 4: r unning the s etup w izard channel you select as this may be useful if you experience problems with your clients. Summary figure 26 configuration summary screen when you complete the setup wizard, a configuration summary will display. Verify the configuration information of the gatew...
Page 41: Ateway
5 g ateway c onfiguration navigating through the gateway configuration pages this chapter describes all the screens available through the gateway configuration pages, and is provided as a reference. To get to the configuration pages, browse to the gateway by entering the url in the location bar of y...
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42 c hapter 5: g ateway c onfiguration ■ status and logs — displays the current status and activity logs of the gateway. ■ support/feedback — contains a comprehensive online help system and allows you to provide 3com with feedback on your gateway. Option tabs each corresponding menu page may also pr...
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Welcome screen 43 password figure 28 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 e...
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44 c hapter 5: g ateway c onfiguration wizard figure 29 wizard screen click wizard... To launch the configuration wizard. Refer to chapter 4 for information on how to run the wizard. Lan settings the lan settings menu provides the following options: unit configuration figure 30 unit configuration sc...
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Lan settings 45 the lan settings screen is used to specify the lan ip address of your gateway, and to configure the dhcp server. 1 select unit configuration and then specify the gateway ip address and subnet mask in the lan settings field. The default ip address of the gateway is 192.168.1.1. 2 if y...
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46 c hapter 5: g ateway c onfiguration ■ client’s network card. ■ client type — whether the client is connected to the gateway by wired or wireless connection. ■ fix — this box is checked if the ip address is fixed to the mac address of the client’s network card. Clients that have fixed addresses wi...
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Wireless settings 47 wireless settings to improve the security of your wireless network, 3com recommends that you: 1. Change the ssid from its default value - see page 48 2. Enable encryption - see page 49 3. Enable connection control - see page 53 configuration figure 32 configuration screen enable...
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48 c hapter 5: g ateway c onfiguration choose the clear channel select option to automatically choose the clearest channel. The gateway will check for the clearest channel whenever it is rebooted, powered up, and when the clear channel select option is first applied. Valid channels are country depen...
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Wireless settings 49 3com recommends that you install your wireless network with this feature enabled and then disable it once you have set up the gateway and wireless clients. Encryption when setting up wireless networks, it is important to remember that with encryption disabled, anyone with a wire...
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50 c hapter 5: g ateway c onfiguration figure 33 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....
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Wireless settings 51 encryption keys figure 34 encryption keys screen showing 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 gateway also offers a number of methods for convertin...
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52 c hapter 5: g ateway c onfiguration wep and 13 characters for 128 bit wep. You must enter a separate string for each of the 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 encry...
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Wireless settings 53 connection control figure 35 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 gateway. By default, any wireless computer that has the same ...
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54 c hapter 5: g ateway c onfiguration to create a list of wireless computers that can access the gateway: 1 press new. The screen shown in figure 36 opens. 2 select the mac addresses of the wireless pcs for which you want to allow access. To select multiple mac addresses, hold down the ctrl key whi...
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Wireless settings 55 once an entry has been deleted it cannot be undone. Please wait 30 seconds for changes to take effect. Client list figure 38 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...
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56 c hapter 5: g ateway c onfiguration some 3com wireless network adapters allow you to import wireless configurations via a ‘profile’. The gateway can generate a profile so that you do not need to configure your wireless pcs manually. The profile contains three items as follows: ■ service area name...
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Internet settings 57 internet settings before you can configure the gateway, you need to know the ip information allocation method used by your isp. There are four different ways that isps can allocate ip information, as described below: 1 static ip address (dsl or cable) the isp provides the ip add...
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58 c hapter 5: g ateway c onfiguration when you install the gateway, you will not need to use the dialup vpn on your pc anymore. Connection to isp figure 40 connection to isp screen before beginning this section, ensure you have the required information from your isp. (see “before you install your g...
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Internet settings 59 static ip address figure 41 connection parameters screen - static ip to setup the gateway for use with a static ip address connection: 1 select static ip address (to be specified manually) in the ip allocation mode field ( figure 41 ). 2 enter your ip address in the ip address t...
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60 c hapter 5: g ateway c onfiguration dynamic ip address figure 42 connection parameters screen - dynamic ip if this mode is selected, your ip address, subnet mask, and dns address will be obtained automatically from your isp. They are not displayed on this screen, but may be viewed on the status s...
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Internet settings 61 ■ use this pc’s mac address - this field is automatically filled in with the mac address of the pc you are using to configure the gateway. You should use this address only if you were previously using this computer to connect directly to your modem. ■ enter a new mac address man...
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62 c hapter 5: g ateway c onfiguration 6 enter your ppp over ethernet service name in the pppoe service name text box. Not all isps require a pppoe service name. Only enter a service name if your isp requires this. 7 select an idle time from the maximum idle time drop-down list. This value will corr...
Page 63
Firewall 63 5 enter your primary dns address and secondary dns address. Your isp may provide you with primary and secondary dns addresses. If they have been provided, enter the addresses in the appropriate text boxes. If not, leave 0.0.0.0 in the boxes. 6 select an idle time from the maximum idle ti...
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64 c hapter 5: g ateway c onfiguration dmz (de-militarized zone) host is a computer without the protection of the firewall. This feature allows a single computer to be exposed to unrestricted 2-way communication from outside of your network. This feature should be used only if the virtual server or ...
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Firewall 65 or select custom to specify a suitable name for the service and then enter the port numbers required for that service. ( figure 47 ) figure 47 custom setup screen 4 click add to save the settings. The port numbers are specified using a comma-separated list, with hyphens to denote port nu...
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66 c hapter 5: g ateway c onfiguration trigger port and incoming port(s), where traffic on the trigger port tells the firewall to open the incoming ports. Each defined special application only supports a single computer user, and up to 10 special applications can be defined. Any incoming ports opene...
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Firewall 67 figure 50 other applications setup screen 3 click add to save your settings. Only one computer on your network can use the special application at any one time. Pc privileges figure 51 pc privileges screen select pc privileges to display the pc privilege setup screen ( figure 51 ). Access...
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68 c hapter 5: g ateway c onfiguration to use access control for all computers: 1 click pcs access authorized services only. 2 select all pcs to setup the access rights for all computers connected to the gateway. 3 select authorized services by clicking in the appropriate check box(es) ( figure 52 )...
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Firewall 69 figure 53 pc privileges setup screen example 5 click modify to save the settings or close to discard them. To assign different access rights for different computers: 1 if not already selected, click pcs access authorized services only. 2 click new to display the pc privileges setting scr...
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70 c hapter 5: g ateway c onfiguration deny list to allow users access to all web sites except for those you choose to block, choose deny list in the url filter type drop-down box ( figure 54 ). Figure 54 url filter screen showing deny list to filter a specific site, enter the url for that site. For...
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Firewall 71 contained within other words. For example, filtering the word sex would filter the following example urls: ■ www.Sussex.Com ■ www.Thisexample.Com you can filter up to 30 keywords and urls. Computers that should not be subject to url filtering can be excluded by ticking the bypass url fil...
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72 c hapter 5: g ateway c onfiguration ■ allow them individually by entering this.Goodsite.Com in one field and that.Goodsite.Com in another. Or ■ allow them by entering the keyword goodsite.Com into one of the fields. This will allow all urls containing the string goodsite.Com. As well as allowing ...
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Firewall 73 security select security to display the security screen ( figure 56 ). Figure 56 security screen the internet connects millions of computer users throughout the world. The vast majority of the computer users on the internet are friendly and have no intention of breaking into, stealing fr...
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74 c hapter 5: g ateway c onfiguration this feature is enabled by clicking on the check box so that a tick can be seen and then select apply. 3com recommends that you leave this disabled. Enabling remote administration it is possible to administer the gateway remotely. This can be set to one of four...
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System tools 75 system tools the main frame of the system tools screen includes four administration items: restart, time zone, configuration, and upgrade ( figure 57 ). Restart figure 57 restart screen if your gateway is not operating correctly, you can choose to restart the gateway by selecting res...
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76 c hapter 5: g ateway c onfiguration time zone figure 58 time zone screen choose the time zone that is closest to your actual location. The time zone setting is used by the system clock when displaying the correct time in the log files. If you use daylight saving tick the enable daylight savings b...
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System tools 77 configuration figure 59 configuration screen select the configuration tab to display the configuration screen ( figure 59 ). Backup configuration click backup to save the current gateway configuration. You will be prompted to download and save a file to disk. Restore configuration da...
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78 c hapter 5: g ateway c onfiguration upgrade figure 60 upgrade screen the upgrade facility allows you to install on the gateway 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 fol...
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Status and logs 79 status the status screen displays a tabular representation of your network and internet connection. ( figure 61 ) figure 61 status screen usage usage displays an approximate count of the traffic since the gateway was last reset. ( figure 62 ) the counts are approximate and should ...
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80 c hapter 5: g ateway c onfiguration figure 62 usage screen logs logs will allow you to view both the normal events, and security threats logged by the gateway. Figure 63 logs screen you may be asked to refer to the information on the status and logs screens if you contact your supplier for techni...
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Support/feedback 81 support figure 64 support screen selecting the support option on the main menu displays the support links screen, which contains a list of internet links that provide information and support concerning the gateway ( figure 64 ). Feedback figure 65 feedback screen.
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82 c hapter 5: g ateway c onfiguration selecting the feedback option displays the feedback screen and allows you to provide feedback to 3com on the operation of your gateway ( figure 65 ). This screen should not be used to obtain technical support..
Page 83: Roubleshooting
6 t roubleshooting basic connection checks ■ check that the gateway is connected to your computers and to the cable/dsl modem, and that all the equipment is powered on. Check that the lan status and cable/dsl status leds on the gateway are illuminated, and that any corresponding leds on the cable/ds...
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84 c hapter 6: t roubleshooting connections tab and click on the lan settings button at the bottom. Make sure that the proxy server option is unchecked. ■ if you cannot browse to the gateway, use the winipcfg utility in windows 95/98/me to verify that your computer has received the correct address i...
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Forgotten password and reset to factory defaults 85 forgotten password and reset to factory defaults if you can browse to the gateway configuration screen but cannot log on because you do not know or have forgotten the password, follow the steps below to reset the gateway to it’s factory default con...
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86 c hapter 6: t roubleshooting ■ if you have a wired and a wireless nic in the same computer, ensure that the wired nic is disabled. ■ check the status of the gateway wireless led, it should be lit if wireless is enabled and will flash when there is wireless activity. If not lit go to “wireless set...
Page 87
Alert led 87 correspond to the gateway channel number. Please refer to your wireless computer adapter documentation and vendor to do this. ■ speed of connection: the 802.11b and 802.11g standards will automatically choose the best speed depending on the quality of your connection. As the signal qual...
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88 c hapter 6: t roubleshooting may wish to discuss this with your isp. The gateway logs such attacks, and this information is available through the status and logs screens. Recovering from corrupted software if the alert led remains permanently on following power-up, it is possible that the system ...
Page 89
Frequently asked questions 89 if the gateway 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 gateway to factory defaults? See “forgotten password and reset to factory defaults” on page 85 . How m...
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90 c hapter 6: t roubleshooting 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..
Page 91: Sing
A u sing d iscovery running the discovery application 3com provides a user friendly discovery application for detecting the gateway on the network. Windows installation (95/98/2000/me/nt) 1 insert the gateway cd-rom in the cd-rom drive on your computer. A menu will appear; select gateway discovery. ...
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92 a ppendix a: u sing d iscovery figure 67 discovered gateway screen 3 figure 68 shows an example discovered devices screen. Highlight the wireless cable/dsl gateway by clicking on it, and press next. Figure 68 discovery finish screen 4 click on finish to launch a web browser and display the login ...
Page 93: Ip A
B ip a ddressing the internet protocol suite the internet protocol suite consists of a well-defined set of 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 th...
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94 a ppendix b: ip a ddressing for your network to work correctly, all devices on the network must have: ■ the same sub-network address. ■ the same subnet mask. The only value that will be different is the specific host device number. This value must always be unique. An example ip address is ‘192.1...
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How does a device obtain an ip address and subnet mask? 95 this type of ip address operates on a subnet mask of ‘255.255.0.0’. See table 4 for an example about how a network (only four computers represented) and a gateway might be configured. Table 4 ip addressing and subnet masking how does a devic...
Page 96
96 a ppendix b: ip a 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 su...
Page 97: Echnical
C t echnical s pecifications this section lists the technical specifications for the officeconnect wireless 11b cable/dsl gateway. Wireless 11b cable/dsl gateway interfaces cable/dsl modem connection — 10mbps/100mbps dual speed ethernet port (10base-t/100base-tx) lan connection — four 10mbps/100mbps...
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98 a ppendix c: t echnical s pecifications dimensions ■ width = 220 mm (8.7 in.) ■ depth = 135 mm (5.3 in.) ■ height = 24 mm (1 in.) weight approximately 500 g (1.1 lbs) standards functional: iso 8802/3 ieee 802.3 ieee 802.11b, wi-fi safety: ul60950 csa 22.2 #60950 iec 60950 en 60950 emc: en 55022 c...
Page 99
99 ■ windows 2000 ■ windows xp ■ mac os 8.5 or higher ■ unix ethernet performance the gateway complies to the ieee 802.3i, u and x specifications. Wireless performance the gateway has been designed to conform to the wi-fi interoperability test standard. Cable specifications the gateway supports the ...
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100 a ppendix c: t echnical s pecifications.
Page 101: Afety
D s afety i nformation 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 gateway generates and ...
Page 102
102 a ppendix d: s afety i 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: warnh...
Page 103
103 vorsicht: es sind keine von dem benutzer zu ersetzende oder zu wartende teile in dem gerät vorhanden. Wenn sie ein problem mit dem gateway haben, das nicht mittels der fehleranalyse in dieser anleitung behoben werden kann, setzen sie sich mit ihrem lieferanten in verbindung. Vorsicht: vor dem au...
Page 104
104 a ppendix d: s afety i 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...
Page 105: Ser
E e nd u ser s oftware l icense a greement 3com corporation end user software license agreement you should carefully read the following terms and conditions before downloading, installing and using this product, the use of which is licensed by 3com corporation ("3com") to its customers for their use...
Page 106
106 a ppendix e: e nd u ser s oftware l icense a greement and developed solely at private expense. The software is delivered as "commercial computer software" as defined in dfars 252.227-7014 (june 1995) or as a commercial item as defined in far 2.101(a) and as such is provided with only such rights...
Page 107: Isp I
F isp i nformation information regarding popular isps wan types characteristics popular isps dynamic ip (clone mac) cable modem isp, non-hostname based. Need to clone the mac address in the advanced tab of the internet settings page. Mediaone, roadrunner, optimum online, time warner, charter, adelph...
Page 108
108 a ppendix f: isp i nformation *bell includes bell advantage, bell canada, bell south, pacbell and southwestern bell. Static (dsl) dsl modem, always on. Need to enter all ip information from isp in the static ip address section of the internet settings page. Cablespeed, cnet, direct link, drizzle...
Page 109: Lossary
G 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 s...
Page 110
110 g lossary auto-negotiation some devices in the officeconnect range support auto-negotiation. Auto-negotiation is where two devices sharing a link, automatically configure to use the best common speed. The order of preference (best first) is: 100base-tx full duplex, 100base-tx half duplex, 10base...
Page 111
G lossary 111 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...
Page 112
112 g lossary half duplex a system that allows packets to transmitted and received, but not at the same time. Contrast with full duplex. Hub a device that regenerates lan traffic so that the transmission distance of that signal can be extended. Hubs are similar to repeaters, in that they connect lan...
Page 113
G lossary 113 small geographic area (usually not larger than a floor or building). Lans are characterized by high transmission speeds over short distances (up to 1000 metres). Mac media access control. A protocol specified by the ieee for determining which devices have access to a network at any one...
Page 114
114 g lossary server a computer in a network that is shared by multiple end stations. Servers provide end stations with access to shared network services such as computer files and printer queues. Ssid service set identifier. Some vendors of wireless products use ssid interchangeably with essid. Sub...
Page 115
G lossary 115 url filter a url filter is a feature of a firewall that allows it to stop its clients form browsing inappropriate web sites. Wan wide area network. A network that connects computers located in geographically separate areas (for example, different buildings, cities, or countries). The i...
Page 116
116 g lossary.
Page 117: Ndex
I ndex a access rights 69 addresses ip 93 administration password 32, 43 automatic addressing 95 c cable specifications 99 channels 119 clone mac address 60 configuration backup 77 restore 77 conventions notice icons, about this guide 8 text, about this guide 8 country selection 30 d dhcp 35, 38, 45...
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118 i ndex r remote administration 74 reset to factory defaults 77, 85 restart 75 s safety information 19 security 73 setup wizard 29, 44 special applications 65 specifications technical 97 static addressing 95 static ip address 57, 59 status 79 subnet mask 36, 38, 93 summary 40 support information ...
Page 119: Egulatory
R egulatory n otices for the w ireless 11b c able /dsl g ateway channels use of the wireless cable/dsl gateway 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 below detai...
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120 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. Information to the user if this equipment does cause interfer...
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121 ■ federal communications commission 47 cfr part 15, subpart b 15.107 (a)class b conducted limits 15.109 (a)class b radiated emissions limits ■ 15.107 (e)class b conducted limits 15.109 (g)class b radiated emissions limits exposure to radio frequency radiation: the radiated output power of the 3c...
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122 party responsible for compliance could void the user’s authority to operate this equipment. Rf exposure compliance statement (u.S.) caution: the 3com officeconnect wireless cable/dsl gateway has been certified as a mobile computing device as per fcc section 2.1091. In order to comply with the fc...
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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 ...