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Diagnosing Problems

71

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T

ROUBLESHOOTING

Diagnosing Problems

If you have difficulty with the Access point, try the solutions in
the following table.

Symptom

After you change the IP address, after you restore a backup
configuration, or after you reset the Access point to factory
defaults, the Configuration Management System stops
responding and you cannot continue configuring the Access
point. If you change the IP address and click Apply, you cannot
continue to configure the device using the old IP address.
Similarly, after you restore a backup configuration or reset the
Access point to factory defaults, the IP address setting may be
changed.

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Содержание AirConnect 9550

Страница 1: ...www 3com com 3Com AirConnect 9550 11n 2 4 5GHz PoE Access Point 3Com AirConnect 9150 11n 2 4GHz PoE Access Point M N WL 605 WL 604 Published April 2008...

Страница 2: ......

Страница 3: ...MENT LEGEND If you are a United States government agency then this documentation and the software described herein are provided to you subject to the following All technical data and computer software...

Страница 4: ...ntent of all products Ensuring that all products can be recycled reused and disposed of safely Ensuring that all products are labeled according to recognized environmental standards Improving our envi...

Страница 5: ...11b g 10 IEEE 802 3af 11 INSTALLING YOUR 3COM WIRELESS ACCESS POINT Unpacking the device 13 Deciding where to place your AP 16 Wall Mounting the Wireless Access Point 17 Checking the LED Indicators 2...

Страница 6: ...First Time Only 28 System Status 29 System Summary 29 Wireless Station List 30 Event Log List 31 System Configuration 31 Setup Wizard 31 System Properties 35 Access Point mode 35 Wireless Workgroup B...

Страница 7: ...N ID 41 Station Separation 41 Security 41 WEP 42 WPA Only 43 WPA2 Only 44 WPA2 Mixed 44 Profile SSID Isolation 45 Multi BSSID 45 WDS Link Settings 45 WDS Security Settings 47 Wireless Advanced Setting...

Страница 8: ...anagement VLAN 51 IAPP 52 802 11F IAPP Support Choose either Enable or Disable 52 QoS 53 SNTP 56 Syslog function 58 System Log 58 Syslog Server 58 Syslog Port 59 Syslog Level 59 Management 60 Administ...

Страница 9: ...iagnosing Problems 71 OBTAINING SUPPORT FOR YOUR 3COM PRODUCT Register Your Product to Gain Service Benefits 77 Solve Problems Online 77 Purchase Extended Warranty and Professional Services 78 Access...

Страница 10: ...Console Cable Pin out 85 INDEX...

Страница 11: ...o provide a higher level of security for network data and communications The 3Com AirConnect 9550 11n 2 4 5GHz PoE Access Point 3Com AirConnect 9150 11n 2 4GHz PoE Access Point is also fully compatibl...

Страница 12: ...d AES Wireless Protected Access WPA and Extensible Authentication Protocol EAP support EAP MD5 EAP TLS EAP TTLS and PEAP Performance And Reliability 3Com wireless access point performance features ens...

Страница 13: ...nting configurations because you no longer need to consider AC power outlet locations PoE support makes it easier than ever to overcome installation problems with difficult to wire or hard to reach lo...

Страница 14: ...hat demand additional bandwidth Supporting a dense user base confined to a small coverage area Because 802 11a has a greater number of non overlapping channels you can pack more wireless devices in a...

Страница 15: ...802 3af standard states that power may be delivered by an end point PSE using either the active data wires of an Ethernet port or the spare wires to a powered device An end point PSE such as a Power o...

Страница 16: ...12 Key Product Features unused from a 10 100BASE T perspective pairs pins 4 5 7 8 to deliver power that is supported within mid span power delivery...

Страница 17: ...cs Unpacking the device Decide where to place the AP Connecting the Access Point Checking the LED indicators For first time use Installing Device Manager Unpacking the device Make sure that you have t...

Страница 18: ...14 Unpacking the device Four screws Four wall anchors Eight adhesive rubber feet One CD ROM containing the Setup Wizard software and a copy of the Quick Start Guide One Warranty Flyer...

Страница 19: ...packing the device 15 The Figure below shows the the AP including the LEDs and connecting ports Ethernet Port LEDs Reset Hole Antenna Connectors RJ 45 Console Port Wall Mounting Table Top Stand Bracke...

Страница 20: ...avy duty motors fluorescent lights microwave ovens refrigerators Keep the number of walls and ceilings between the AP and other network devices to a minimum each wall or ceiling can reduce your AP s r...

Страница 21: ...Wireless Access Point Use the mounting bracket that comes with your Access Point to install it on a wall or electrical box To wall mount the Access Point 1 Screw the mounting bracket to a wall or ele...

Страница 22: ...If mounting to a US electrical box 83 3mm use two threaded screws and insert into the holes maked B in the diagram shown below 2 Connect the Ethernet cable for power and network connection to the por...

Страница 23: ...Wall Mounting the Wireless Access Point 19 3 Mount Access Point onto the mounting bracket...

Страница 24: ...oint on a flat surface such as a table or desktop 1 Attach the mounting bracket table stand to the side of the Access Point 2 Place the Access Point and table stand on the table 3 Connect the Ethernet...

Страница 25: ...peration LED 2 2 4G Green Off Administratively disabled On Associated with network but no activity Blinking Activity LED 3 5G 3Com AirConnect 9550 11n 2 4 5GHz PoE Access Point only Green Off Administ...

Страница 26: ...At power up the product will carry out a self test POST POST will run a test on the wireless circuit to check it is functioning correctly When running the POST test LED 1 Power System will blink amber...

Страница 27: ...ure Device Manager Widman utility 2 Directly connect to the device through its Ethernet port or console port Networks with a DHCP Server If your network has a DHCP server an IP address is automaticall...

Страница 28: ...cess Point is using the default IP address assigned at the factory 1 Connect a computer directly to the Access Point using the supplied standard Category 5 UTP Ethernet cable 2 Enter the Access Point...

Страница 29: ...the computer 2 Insert the 3Com Installation CD into the CD ROM drive The CD will Autorun If it does not Autorun you can start the setup menu from the Windows Start menu For example Start Run d setup...

Страница 30: ...26 Using the 3Com Installation CD Programs 3Com Wireless Wireless Infrastructure Device Manager If the device is working correctly the following screen should be seen...

Страница 31: ...the Properties button to see the following screen Directly connect to the device through its Ethernet port or console port Follow the instructions below to log into the AP Configuration screen 1 Load...

Страница 32: ...creen appears To log on to the Web interface 1 Username type admin case sensitive 2 Password type password 3 Click Log On First Time Only After you have logged in for the first time you will be asked...

Страница 33: ...on tasks and view information about the AP System Summary After you click Logon from the Log On Screen you ll see the system status page on the screen The System summary page is the default page that...

Страница 34: ...tus Wireless Station List Through this page you can easily identify the adjacent wireless stations It will automatically observe the adjacent wireless station s ID if specified MAC address SSID and cu...

Страница 35: ...a record of all the events within this designated WLAN System Configuration In this section you will learn how to configure the basic functions of your wireless AP Setup Wizard The setup Wizard will w...

Страница 36: ...name of wireless network Input 1 32 characters Wireless Mode Choose the required network mode from the drop down menu Channel Frequency Choose a frequency from the drop down menu or select SmartSelec...

Страница 37: ...ng Check the radio button for either obtaining an IP address via DHCP or specifying an IP Address manually IP Address Enter the IP address that you want to assign IP Subnet Mask Enter your networks su...

Страница 38: ...you choose the security settings Choose the following settings from the drop down menu No security WEP WPA Only WPA2 Only WPA2 Mixed Click Close to close without saving click Finish to save the setti...

Страница 39: ...ireless Workgroup Bridge mode Client Bridge mode It acts as a wireless client in the network Through this mode you can connect to an access point through this device Ad hoc mode peer to peer An Ad hoc...

Страница 40: ...ate networks operating on the 802 11 standard Load Types are either FAT Default is set to be FAT mode AP FAP AP has complete set of AP features which can work alone as an individual AP FIT FIT mode AP...

Страница 41: ...etwork s method of IP address assignment Choose DHCP or Static IP With Dynamic Host Configuration Protocol DHCP IP addresses are assigned for predetermined periods of time Choose Static IP if your net...

Страница 42: ...ch allows it to act as multiple APs appearing in a Wireless LAN network You can configure up to 4 SSIDs on the device Wireless Mode You can select your desired wireless operating mode from the drop do...

Страница 43: ...nnection if another station associates with the access point in normal mode The Super Static mode operates by using two radio channels and does not switch to normal mode Super Static mode must be conf...

Страница 44: ...n to activate a profile Click the Edit button to change its configuration SSID Service Set Identifier This is the assigned name for a wireless Wi Fi network Stations must use this unique identifier to...

Страница 45: ...D If you want to disable the broadcast of your SSID you should check the Suppressed SSID box It is also known as SSID Broadcast disable or Hide SSID VLAN ID If your network uses VLANs you can assign a...

Страница 46: ...ty WEP Share Key authentication and WEP data encryption will block all but the most determined hacker From the drop down list choose open system or shared key authentication Select the desired input m...

Страница 47: ...ch was weak in WEP and to provide user authentication Only allows WPA clients to connect to the VAP You can choose TKIP or AES for encryption method The Group key update interval is configurable defau...

Страница 48: ...te interval is configurable with a default value of 1800 seconds You can choose personal mode PSK or enterprise mode 802 1X authentication default PSK If you choose PSK you will need to enter a pass p...

Страница 49: ...from No Isolation Full access or to Isolate all Profiles SSIDs from each other check use VLAN 802 1Q standard Multi BSSID Check enable Multiple BSSIDS to allow each profile to send an individual beaco...

Страница 50: ...must have a WDS link back to the AP Dynamically assigned and rotated encryption keys are not supported in a WDS connection This means that WPA and other dynamic key assignment technologies may not be...

Страница 51: ...enable on the MAC addresses Example of a WDS topology AP1 WDS Master AP our AP WDS AP3 WDS AP4 WDS Security Settings This item is only available in Access Point Mode and Wireless Bridge Mode Choose t...

Страница 52: ...er the pass phrase Wireless Advanced Settings To configure advanced wireless settings click Wireless Advanced Settings The tool bar and Wireless Advanced Settings menu will appear Data Rate Choose bet...

Страница 53: ...he Delivery Traffic Indication Message Specify the data beacon rate between 1 and 255 Default is 1 Fragment Length The maximum packet size is used for fragmentation Packets larger than the size progra...

Страница 54: ...municate in areas where the 802 11 standard is not allowed It adds features and restrictions to ensure compliance Antenna Type If you have added external antennas to replace the original included 3 in...

Страница 55: ...anagement VLAN If you reconfigure the Management VLAN ID you may lose connectivity to the access point Verify that the switch and DHCP server can support the reconfigured VLAN ID and then re connect t...

Страница 56: ...Choose either Enable or Disable IAPP allows multiple access points to communicate and pass location information about their associated stations If you enable 802 11F support you should manually add B...

Страница 57: ...hrough the full association process QoS This section provides the administrator with the Quality of Service QoS data The QoS setting is only available in AP Mode and Wireless Client Mode The QoS Setti...

Страница 58: ...til the maximum is reached A small contention window value decreases the access delay but increases the probability of a collision Fixed Slot Time For each access category enter the fixed slot time Ch...

Страница 59: ...cess point must complete the WMM admission control procedure before they can use that access category However access points do not support the admission control procedure in this release so clients ca...

Страница 60: ...ings can be configured SNTP client enable disable Click the radio button to enable If it is disabled the user has to input time manually If it is enabled the device will try to fetch time from configu...

Страница 61: ...end date of daylight saving will change automatically based on the time zone selection Note Start and End dates can be input manually to avoid any regional policy changes Primary and Secondary SNTP se...

Страница 62: ...device can send a message to a specified server System Log Click either Enable or Disable to activate or deactivate the system log function Syslog Server Enter the IP address of the server that will...

Страница 63: ...l Choose from the following levels in order of severity of detail to be recorded The default setting is Error Emergency System is unusable Alert Action must be taken immediately Critical Critical cond...

Страница 64: ...management and information features of your Wireless Access Point Administration In this section you can change the user administrator name and password The default Administrator name is admin case s...

Страница 65: ...ns are changed through this section The following functions can be changed Enable Disable SNMP Contact info Community names for read only and read write Trap destination IP address Community name This...

Страница 66: ...llows the administrator to filter MAC addresses of network cards that can access the access point Enable Disable filter Change filter rule to allow or deny Add delete MAC addresses in the filter table...

Страница 67: ...through this device Rogue AP detection can prevent this Change Rogue AP definition Legal AP list The list of allowed access points Detect rogue AP All channels are scanned and Access Points without se...

Страница 68: ...his section allows the user back up the Access Point s current settings and restore back to the factory default Once you have the Access Point working properly you should back up the information to ha...

Страница 69: ...version available If you enable the Auto Upgrade function the Wireless Access Point will automatically check for an updated version of firmware in the assigned FTP server for each time interval assig...

Страница 70: ...66 Management Firmware Upgrade In this section you can see the current firmware version of your AP You can also manually upgrade your firmware by entring the path to your new firmware file...

Страница 71: ...Management 67 Once you have chosen the upgrade file click upgrade...

Страница 72: ...ement Rebooting You can reboot the Wireless access point from the browser interface After you click reboot the following window will be displayed After rebooting the login page will automatically be d...

Страница 73: ...nected to the RJ 45 Console Port can be used In your terminal settings ensure that the following configuration is met Bits per Second 9600 Data Bits 8 Parity None Stop bits 1 Flow Control none Once co...

Страница 74: ...fault factory settings either through the web browser see Backup Restore Settings on page 64 or manually To restore the settings manually insert a pointed object such as the end of a straightened pape...

Страница 75: ...guration or after you reset the Access point to factory defaults the Configuration Management System stops responding and you cannot continue configuring the Access point If you change the IP address...

Страница 76: ...a new configuration session and set its IP address Symptom The Wireless Network Tree does not appear in the 3Com Wireless Infrastructure Device Manager window Solution s Verify that you are using the...

Страница 77: ...to start a new configuration session d Make sure the subnet address matches that of the computer Symptom Two Access points cannot communicate in ad hoc mode Solution s Adjust the positions of the Acce...

Страница 78: ...s To work around this set a static IP address on your computer Then set the Access point configuration to match the network When the Access point is able to associate reset your computer to obtain its...

Страница 79: ...nstalling Software and Documentation Solution s If you want to uninstall the 3Com 11a b g n Wireless Workgroup Access point software and documentation you can either use the standard operating system...

Страница 80: ...nstalled on the Access Point at the factory Some problems can be solved by installing a new version of the firmware For details on how to download a firmware update from the 3Com customer support Web...

Страница 81: ...the services described in this appendix Register Your Product to Gain Service Benefits To take advantage of warranty and other service benefits you must first register your product at http eSupport 3...

Страница 82: ...ienced engineers are available to manage your installation with minimal disruption to your network Expert assessment and implementation services are offered to fill resource gaps and ensure the succes...

Страница 83: ...3Com or your reseller Support contracts that include software upgrades cover feature enhancements incremental functionality and bug fixes but they do not include software that is released by 3Com as...

Страница 84: ...ails about recent configuration changes if applicable To send a product directly to 3Com for repair you must first obtain a return materials authorization number RMA Products sent to 3Com without auth...

Страница 85: ...es ii transferring the Run Time Module to a third party apart from the Target Application iii modifying decompiling disassembling reverse engineering or otherwise attempting to derive the Source Code...

Страница 86: ...ges and iv require that any further distribution of the Run Time Module be subject to the same restrictions set forth herein The End User License Agreement shall also state that with respect to the Ru...

Страница 87: ...Antennas Used per Mode 83 D APPENDIX Antennas Used per Mode The AP has three external antenna connectors labelled A B and C as shown below A B C...

Страница 88: ...Antennas Used per Mode In some modes not all of the connectors are in use The following table defines which external antenna connectors are used in which mode Mode Antennas Used 2x3 A B C 2x2 A C 1x1...

Страница 89: ...Console Cable Pin out 85 Console Cable Pin out RJ45 to D SUB 9 pin cable 8 1 5 1 6 9 P1 P2...

Страница 90: ...86 Console Cable Pin out P1 Pin no WIRE COLOR P2 Pin no 8 YELLOW 1 6 BROWN 2 2 GRAY 3 1 GREEN 4 5 RED 5 3 BLUE 6 4 BLACK 7 7 WHITE 8...

Страница 91: ...Interval 49 BSSID 41 C Com Port 69 Configuring 23 Console Cable 85 Contention 54 D Data Beacon Rate 49 Data Rate 48 default IP address 24 58 Delivery Traffic Indication Mes sage 49 Device Manager 9 23...

Страница 92: ...d 24 28 69 password 60 PoE 9 Power over Ethernet 9 Q QoS 53 Quality of Service 53 R Rebooting 68 Repeater mode 35 Restore 64 Rogue AP Detection 63 RTS Threshold 49 S Security 8 Setting Up 31 Simple Ne...

Страница 93: ...ID 41 W Wall Mounting 17 WDS 45 WDS Security 47 WEP 42 Wi Fi Protected Access 43 Wired Equivalent Privacy 42 wireless client 35 Wireless Distribution System 45 Wireless Network Standards 9 wireless ra...

Страница 94: ...expressly approved by the party responsible for compliance could void the user s authority to operate this equipment This device and its antenna s must not be co located or operating in conjunction wi...

Страница 95: ...nly the antennas listed below are allowed to be used with the radio Ant Antenna Type Model Name Product description 2 4 GHz Gain dBi Tx Rx mode 1 Omni Ant 3CWE591 3Com 6dBi Dual Band Omni Antenna 6 1T...

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