Table of Contents
Related Manuals for 3Com 3CRWEASY96A - 11 Mbps Wireless LAN Outdoor Bridge Solution
Summary of Contents for 3Com 3CRWEASY96A - 11 Mbps Wireless LAN Outdoor Bridge Solution
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Page 1: User Guide
User Guide Wireless LAN Outdoor Bridge Solution 3CRWEASY96A Complete Building-to-Building Outdoor Wireless LAN Kit http://www.3com.com/ http://support.3com.com/registration/frontpg.pl/ Published February, 2003 Document Version 1.2.0... - Page 2 file named LICENSE.TXT or!LICENSE.TXT. If you are unable to locate a copy, please contact 3Com and a copy will be provided to you.
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Page 3: Table Of Contents
Using the Power Supply Using a Power-Over-Ethernet LAN Port Installing Software Utilities Establishing Wireless Association Configuring the Building-to-Building Bridge Using the 3Com Wireless Device Manager Launching a Wireless Device Configuration Using the Pre-IP Configuration Wizard Using the RSSI Monitor Saving Configuration Changes... -
Page 4: Troubleshooting
Viewing Connection Status Viewing the System Summary Interoperating with Third-Party Equipment Troubleshooting Diagnosing Problems Disconnecting the Bridge Uninstalling Software and Documentation Upgrading Bridge Firmware Technical Support Online Technical Services Support from Your Network Supplier Support from 3Com Returning Products for Repair... - Page 5 Regulatory Compliance Information Index...
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Page 7: Introduction
The 3Com bridge can be used in two types of wireless network topologies: Point-to-point Point-to-multipoint OINT OINT Point-to-point topology is the simplest way to use the 3Com bridge, and it offers the highest performance level. Two 3Com outdoor bridges form a direct wireless... -
Page 8: Point-To-Multipoint
LANs in the other buildings where 3Com outdoor bridges are installed. If a 3Com 11 Mbps Wireless LAN Access Point 8000 is used (with an 8dBi omnidirectional antenna) this topology can connect wired LANs over distances up to 10 kilometers (6 miles). -
Page 9: Basic Operating Modes
LANs to which they are connected to communicate. Access Point (Infrastructure) mode is the basis for point-to-multipoint topology. Operating in access point mode, multiple 3Com outdoor bridges act as clients to an Access Point 8000 or a Wi-Fi compliant access point from... -
Page 10: Installing The Outdoor Bridge
For a point-to-multipoint configuration, one 3Com 11Mbps Wireless LAN Access Point 8000 (or other Wi-Fi compliant access point) with an omnidirectional antenna for one building, and one 3Com outdoor bridge for each other building. Mounting hardware (supplied with each bridge). -
Page 11: Administration Requirements
See “Using the Power Supply” on page 15 and “Using a Power-Over-Ethernet LAN Port” on page 15. Note for use of the 3Com power supply (part number 61-0107-000) in Norway: This product is also designed for use on an IT power system with phase-to-phase voltage of 230 V. -
Page 12: Alignment
FCC regulations require that in the United States, use of channels 12 and 13 in conjunction with an 18 dBi antenna is allowed only at very reduced power, which the 3Com unit sets automatically. The highest allowable power level is set automatically when the country selection is made from the pulldown menu in the configuration tool. -
Page 13: Safety Information
fire. Refer to the installation instructions for proper installation. WARNING: The 3Com power supply (part number 61-0107-000) input relies on a 16A rated building fuse or circuit protector for short circuit protection of the line to neutral conductors. -
Page 14: Mounting The Bridge To A Mast
OUNTING THE RIDGE TO A The bridge can be placed in any suitable outdoor location (see “Installation Guidelines” on page 11). Refer to the adjustable mount instruction sheet that comes with the bridge mounting hardware, and the illustrations below: Make sure that all bridges are properly oriented for polarization as described in “Polarization”... -
Page 15: Connecting The Bridge To The Lan
ONNECTING THE RIDGE TO THE You can connect to the LAN either through the 3Com power supply or through IEEE 802.3af power-over-Ethernet compliant equipment. SING THE OWER UPPLY The power supply can be located indoors at any point between the bridge and the LAN access port where an accessible power outlet exists. -
Page 16: Installing Software Utilities
To install the tool and documentation from the CD: Power up the computer and insert the 3Com CD in the CD-ROM drive. The setup menu should appear when the CD autostarts. If no menu appears, you can run the startup program from the Windows Start menu: Start/Run/d:setup.exe (where d: is the CD-ROM drive) -
Page 17: Establishing Wireless Association
STABLISHING IRELESS SSOCIATION After the bridge and software utilities are installed, you can configure the bridge as follows: Launch the bridge configuration. (See “Configuring the Building-to-Building Bridge” on page 18 for details on how to launch the configuration and make changes.) For a point-to-point association between two bridges, see “Setting up an Ad Hoc Network”... -
Page 18: Launching A Wireless Device Configuration
EVICE ANAGER After the 3Com Wireless Device Manager is installed, ensure that the device to be configured is either wired to the network, associating with the wireless network, or connected directly to the computer, and connected to power. If more than one... - Page 19 Next. The 3Com Web Configuration Management System main screen appears in your Web browser. The following table describes the functions of the buttons in the 3Com Wireless Infrastructure Device Manager window. Button...
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Page 20: Using The Pre-Ip Configuration Wizard
To monitor signal strength, the devices must be set to the same BSSID and RSSI broadcasting must be enabled. The following procedure uses the device manager RSSI Monitor to monitor the signal strength of two 3Com bridges: In the device manager window, launch the first bridge configuration and configure for ad hoc mode. -
Page 21: Saving Configuration Changes
Return to the device manager and repeat step 1 for the second bridge. Make sure that both bridges are using the same BSSID. If the bridges are not using the same BSSID, specify the BSSID on both bridges as follows: a In the Wireless Network page, select the following Network Mode: Ad-hoc (Peer-to-Peer) Specify. -
Page 22: Setting Ip Network Properties
Manager/ManagementHelp/ the configuration pages, you must install the help from the 3Com CD. By default, help is installed on the local drive when you install the administration tool. If you install the help in a different location on the local drive or on a web server, you must set the Help File Path to the correct location. -
Page 23: Setting Up Protocol And Port Filtering
IP address. To continue configuring this device after making this change, you must do the following: a Close your browser. b Return to the 3Com Wireless Infrastructure Device Manager and click Refresh. c Select the device and click Configure to start a new configuration session. -
Page 24: Setting Wireless Network Properties
BSSID. Enter the BSSID in the spaces provided. Wireless LAN Service Area—This is the device ESSID. The default WLAN service area name is 3Com. You can use the default, enter a WLAN service area, or select one from the list... - Page 25 Access Point Privacy Mode—This mode only applies when the network mode is Access Point (Infrastructure) and should only be used when access points are set with privacy enabled. (On 3Com access points, privacy is enabled when the Broadcast WLAN Service Area Name (ESSID) mode is disabled.) Click On to associate with access points set with privacy mode...
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Page 26: Setting Advanced Performance Properties
The Advanced Wireless Network page appears, where you can change the settings listed below. When you are finished, click Save. Network Traffic Accelerator—To increase performance, click On (Enhanced performance). If you experience problems when equipment other than 3Com 11 Mbps Wireless LAN equipment is being used, click Off (Wi-Fi Interoperable). - Page 27 auto-negotiation. To enable flow control, click On. To disable flow control, click Off. Acknowledgement Delay—This setting determines the length of time the bridge waits for an acknowledgement after transmitting packets. When the delay time has passed, the bridge resends the packets. A longer acknowledgement delay allows the bridge to associate with another wireless device over a greater distance.
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Page 28: Setting Up An Ad Hoc Network
LAN. To ensure a successful association, install and configure the bridges sequentially. Install the first bridge. Use the 3Com Wireless Infrastructure Device Manager to select the first bridge and launch its configuration management system. Configure security settings. -
Page 29: Optimizing An Ad Hoc Installation
To use the device manager RSSI Monitor: Install the Wireless Infrastructure Device Manager (version 1.2.0.9 or later) from the 3Com installation CD. Launch the device manager (Start /Programs /3Com Wireless/Wireless Infrastructure Device Manager). In the device manager window, launch the first bridge configuration and configure for ad hoc mode. -
Page 30: Setting Up An Access Point Infrastructure Network
Install 3Com outdoor bridges or indoor bridges with sector-panel directional antennas for the other buildings. If a 3Com 11 Mbps Wireless LAN Access Point 8000 is used (with an 8 dBi omnidirectional antenna), wired LANs can be connected over distances of up to 10 kilometers (6 miles). -
Page 31: Changing Security Settings
Shared key —See “40-bit Shared Key (Wi-Fi)” on page 32 or “128-bit Shared Key” on page 33. Password—If you are using a 3Com Access Point 8000, you can set up password security as described in “128-bit Dynamic Security Link” on page 33. -
Page 32: No Security (Open System)
This type of security requires you to set up encryption in one of the following ways: String—For use only with other 3Com 11 Mbps wireless LAN devices, an encryption string is a case-sensitive string of characters between 6 and 30 characters long. -
Page 33: 128-Bit Shared Key
128- HARED This option can be used with other 3Com 11 Mbps Wireless LAN devices and with equipment from certain manufacturers that also support 128-bit shared key encryption. It provides a higher level of security than the 40-bit Shared Key (Wi-Fi) option and uses a more complicated type of encryption. -
Page 34: Restoring A Bridge To Factory Defaults
YSTEM You can download firmware and configuration management system upgrades from the 3Com Web site and install those upgrades on the bridge. The upgrade procedure requires a Trivial File Transfer Protocol (TFTP) server. The bridge acts as a TFTP client to receive the download. -
Page 35: Changing The Administration Password
To install an upgrade: Use the 3Com Wireless Infrastructure Device Manager to select the device and launch its configuration. Under Tools, click Upgrade System. Enter the name of the upgrade file that you downloaded earlier. Enter the IP address of the TFTP server where the upgrade file is located. -
Page 36: Restoring A Configuration
IP address. If you want to continue configuring the bridge, do the following: Close your browser. Return to the 3Com Wireless Infrastructure Device Manager and click Refresh. Select the device and click Configure to start a new configuration session. -
Page 37: Resetting Statistics Listings
HIRD ARTY QUIPMENT Because 3Com Wireless LAN equipment complies with IEEE 802.11b standards, it can interoperate with third-party equipment that also complies with the standards. However, some third party equipment may not support 3Com enhanced performance features. You may need to turn off the Network Traffic Accelerator and set the Data Preamble to long to support this equipment on the network. -
Page 38: Diagnosing Problems
ROUBLESHOOTING IAGNOSING ROBLEMS If you have difficulty with a 3Com Wireless LAN building-to-building bridge, try the solutions in the following table. Symptom Solutions Two bridges fail to communicate in ad Adjust the positions of the antennas to improve reception. hoc mode. - Page 39 To recover from this situation and continue configuring the bridge: continue configuring the bridge. 1 Close your browser. 2 Return to the 3Com Wireless Infrastructure Device Manager and click Refresh. 3 Select the device and click Configure to start a new configuration session.
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Page 40: Disconnecting The Bridge
If you are using the 3Com power supply, unplug it from the power source. Then unplug the Ethernet cable from the power supply and the second Ethernet cable from the bridge. -
Page 41: Technical Support
Download drivers, patches, software, and MIBs across the Internet from the 3Com public FTP site. This service is available 24 hours a day, 7 days a week. To connect to the 3Com FTP site, enter the following information into your FTP client: Hostname: ftp.3com.com... -
Page 42: Support From Your Network Supplier
ETWORK UPPLIER If you require additional assistance, contact your network supplier. Many suppliers are authorized 3Com service partners who are qualified to provide a variety of services, including network planning, installation, hardware maintenance, application training, and support services. When you contact your network supplier for assistance, have the following... -
Page 43: Returning Products For Repair
RODUCTS FOR EPAIR Before you send a product directly to 3Com for repair, you must first obtain an authorization number. Products sent to 3Com without authorization numbers will be returned to the sender unopened, at the sender’s expense. To obtain an... - Page 44 Country Contact Information Asia, Pacific Rim + 65 543 6500 Phone + 65 543 6348 Fax Europe, South Africa, and Middle East http://emea.3com.com/gls For e-mail Support: http://emea.3com.com/support/email.html Central and South America http://www.3com.com/support/en_US/repair/lat.html Argentina http://www.3com.com/support/en_US/repair/lat.html Bolivia http://www.3com.com/support/en_US/repair/lat.html Brazil http://www.3com.com/support/en_US/repair/lat.html Caribbean 525 201 0004...
- Page 45 Country Contact Information Poland 00800 3111206 Portugal 0800 831416 South Africa 0800 995014 Spain 900 983125 Sweden 020 795482 Switzerland 0800 55 3072 U.K. 0800 966197 U.S.A. and Canada 1 800 876 3266...
- Page 46 2 meters. This product does not contain any user serviceable components. Any unauthorized product changes or modifications will invalidate 3Com’s warranty and all applicable regulatory certifications and approvals. This product must be installed by a professional technician/installer.
- Page 47 Industry Canada Notice (Applicable to Use Within Canada) This device complies with Canadian RSS-210. 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 its transmit antenna) that is installed outdoors is subject to licensing.
- Page 48 RSSI 27 128-bit Dynamic Security Link 33 128-bit Shared Key 33 3Com Knowledgebase Web Services 41 3Com Wireless Infrastructure Device Manager 18 changing passwords, administration 35 40-bit Shared Key (Wi-Fi) security 32 channel and power restrictions 12 channel selection 25...
- Page 49 encryption MAC address, use in locating devices 18, 19 settings 31 string 32 encryption, association with different settings 32 ESSID 24 network access point 9, 30 ad hoc 9, 28 infrastructure 24 filtering mode 24 port 23 privacy mode 25 protocol 23 traffic accelerator 26 firmware upgrade 34...
- Page 50 27 software utilities 16 installing 16 solving problems 38 system summary, viewing 37 technical support 3Com Knowledgebase Web Services 41 network suppliers 42 product repair 43 temperature 11 thermal performance 11 third-party interoperability 37 traffic accelerator 26 troubleshooting 38 bridge firmware 34...