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Appendix A: Troubleshooting

51

NXA-WAP250G 802.11b/g Wireless Access Point

Appendix A: Troubleshooting

Overview

Check the following items before you contact local Technical Support.

1.

If wireless clients cannot access the network, check the following:

Be sure the NXA-WAP250G and the wireless clients are configured with the same Service Set

ID (SSID).

If authentication or encryption are enabled, ensure that the wireless clients are properly
configured with the appropriate authentication or encryption keys.

2.

If the NXA-WAP250G cannot be configured using a web browser:

Be sure to have configured the NXA-WAP250G with a valid IP address, subnet mask and
default gateway.

If you are connecting to the NXA-WAP250G through the wired Ethernet interface, check the
network cabling between the management station and the NXA-WAP250G. If you are
connecting to NXA-WAP250G from a wireless client, ensure that you have a valid connection
to the NXA-WAP250G.

3.

If you forgot or lost the password:

Set the NXA-WAP250G to its default configuration by pressing the reset button on the bottom

panel for 10 seconds or more.
Connect to the web management interface using the default IP address 192.168.1.240.
Then use the default user name “

Admin

” (case-sensitive) and the default password “

1988

” to

access the management interface.

4.

If all other recovery measure fail, and the NXA-WAP250G is still not functioning properly, take any
of these steps:

Reset the NXA-WAP250G’s hardware using the web interface or through a power reset.

Reset the NXA-WAP250G to its default configuration by pressing the reset button on the
bottom panel for 10 seconds or more.
Connect to the web management interface using the default IP address 192.168.1.240, then
use the default user name “

Admin

” (case-sensitive) and the default password “

1988

.”

If Your WAP-250G Is Stuck on the Emergent Recovery
Screen

Step 1: Shut Down and Restart Web Browser

1.

Shut down and restart your web browser.

2.

Attempt to reconnect to access point after it has completed booting. If this fails to resolve the issue,
continue to the next step.

3.

Power off the AP, and reapply power.

4.

Shutdown and re-open the web browser, and reconnect to the AP after it has finished rebooting.

Step 2: Website for Free TFTP Server

1.

Connect to the internet and enter the following link in the Address Bar on your web browser.

http://www.solarwinds.net/downloads/index.aspx

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Summary of Contents for NXA-WAP250G

Page 1: ...Operation Reference Guide Control System Accessories NXA WAP250G 802 11 b g Wireless Access Point for Modero Touch Panels Last Revised 7 18 2008 ...

Page 2: ... or after the RMA is cancelled will be refused AMX is not responsible for products returned without a valid RMA number AMX is not liable for any damages caused by its products or for the failure of its products to perform This includes any lost profits lost savings incidental damages or consequential damages AMX is not liable for any claim made by a third party or by an AMX Dealer for a third part...

Page 3: ...signments 6 Straight Through Wiring 6 Hardware Description 6 Reset Button Overview 7 LED Indicators 7 Diagnosing Access Point Indicators 8 Initial Configuration 9 Selecting an Operation Mode 9 Access Point Mode 9 Access Point Mode Roaming 10 Access Point Mode Repeater and Bridge Mode 11 Logging into the Web Interface 12 Using the Setup Wizard 13 Step 1 Operation Mode Setting 13 Step 2 Network Sett...

Page 4: ...ng 38 Network Settings 39 Network Settings DHCP Client Setting 39 Network Settings DHCP Server NAT Setting 41 Network Settings PPPoE Setting 42 Network Settings Radius Server Setting 43 Filter 44 Time 45 Updating Firmware 46 Upgrade via the Web Page 47 Upgrade via a Remote Server 48 Appendix A Troubleshooting 51 Overview 51 If Your WAP 250G Is Stuck on the Emergent Recovery Screen 51 Step 1 Shut D...

Page 5: ...uipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may ca...

Page 6: ...is intended for use in the following European Community countries Requirements for indoor vs outdoor operation license requirements and allowed channels of operation apply in some countries as described below In Italy the end user must apply for a license from the national spectrum authority to operate this device outdoors In Belgium outdoor operation is only permitted using the 2 46 2 4835 GHz ba...

Page 7: ...Maximum Channels FCC IC 1 11 ETSI 1 13 MKK 1 13 Maximum Clients 32 per VAP interface Data Rate 802 11g 6 9 11 12 18 24 36 48 54 Mbps per channel 802 11b 1 2 5 5 11 Mbps per channel Modulation Type 802 11g CCK BPSK QPSK OFDM 802 11b CCK BPSK QPSK Network Configuration Infrastructure Operating Frequency 2 4 2 4835 GHz US Canada ETSI 2 4 2 483 GHz Japan Wireless Output Power 802 11b 18 dBm typical 80...

Page 8: ...e the factory default configuration If you hold down the button for less than 10 seconds the access point will perform a hardware reset If you hold down the button for 10 seconds or more any configuration changes you may have made are removed and the factory default configuration is restored to the access point NXA WAP250G Specifications Cont Network Management Web browser Temperature Operating 0 ...

Page 9: ...t Set the screws into the wall leaving about 3 mm 0 12 in clearance from the wall Then slide the access point down onto the screws 3 Connect the Power Cord Connect the power adapter to the access point and plug the power adapter into an AC power outlet 4 Observe the Indicator LEDs When you power on the access point verify that the POWER LED turns on and that the other LED indicators start function...

Page 10: ...f the cable The following figure illustrates how the pins on the RJ 45 connector are numbered Be sure to hold the connectors in the same orientation when attaching the wires to the pins Straight Through Wiring If the twisted pair cable is to join two ports and only one of the ports has an internal crossover MDI X the two pairs of wires must be straight through FIG 3 diagrams the RJ 45 pinouts and ...

Page 11: ...ess point includes three status LED indicators as described in the following figure and table FIG 4 NXA WAP250G Component Locations LED Status Description POWER On Green Indicates that the system is working normally WLAN On Flashing Green Indicates the 802 11g radio is enabled and transmitting or receiving data through wireless links The flashing rate is proportional to network activity Off Indica...

Page 12: ...e access point the power adapter and the wall outlet LAN LED is Off Verify that the access point and attached device are powered on Be sure the cable is plugged into both the access point and corresponding device Verify that the proper cable type is used and its length does not exceed specified limits Check the cable connections for possible defects Replace the defective cable if necessary ...

Page 13: ...ty to wireless clients in the service area Repeater and Bridge Providing an extended link to a remote access point from the wired LAN Access Point working in this mode could connect to another AP in Access Point mode or Repeater and Bridge mode Whenever there are two APs having wireless link together one in Access Point or Repeater and Bridge mode another using Repeater and Bridge mode and also ha...

Page 14: ...s area can move freely and remain connected to the network All NXA WAP250Gs and wireless stations in the network must be configured with the same SSID Neighboring NXA WAP250Gs should be set to non interfering radio channels that is channels 1 6 or 11 for 802 11b g FIG 2 Access Point Mode roaming for mobile users NetLinx Central Controller NXA ENET24 Switch NXA WAP250G A V Rack Video display monito...

Page 15: ...alf the normal throughput is possible This is because the NXA WAP250G has to receive and then re transmit all data on the same channel Once an AP is configured as repeater it could connect to another NXA WAP250G working in Access Point mode or Repeater and Bridge mode In a deployed topology that has a repeater and bridge AP involved there must be one AP working in Access Point mode FIG 3 Access Po...

Page 16: ... 5 There are two options available you can configure the basic features of the NXA WAP250G using the Setup Wizard s simple steps or you can configure all features in detail using the Advanced Setup menu FIG 4 Login Page It is strongly recommended that you configure a password If a password is not configured the management interface is not protected and anyone that can connect to the NXA WAP250G ma...

Page 17: ... name Service Set Identifier and wireless security Follow these steps To begin login and select Start with Setup Wizard on the home page FIG 5 Step 1 Operation Mode Setting Select an operation mode according to how the unit will be used in your network FIG 6 There are two operation modes AP Set the device as an Access Point The device can also act as a root bridge in a wireless bridge network Repe...

Page 18: ...ocol DHCP server and Network Address Translation NAT settings FIG 7 There are three basic methods for configuring the NXA WAP250G s IP address Dynamic IP The IP address is assigned automatically from a home gateway router or other device that has a DHCP server feature FIG 8 FIG 7 Setup Wizard Network Setting FIG 8 Setup Wizard Network Setting Dynamic IP settings AMX strongly recommends using Stati...

Page 19: ...user name and password enter these in the corresponding text boxes under PPPoE Setting FIG 9 Static IP The IP address is assigned manually by the user This may be required if your NXA WAP250G is connected to a home gateway router or other device that does not support a DHCP server FIG 10 Static IP is the recommended setting for your NXA WAP250G s IP address FIG 9 Setup Wizard Network Setting PPoE ...

Page 20: ...nal IP address is the IP address assigned to the NXA WAP250G itself Note that the NXA WAP250G IP address is always in a different subnet from the DHCP server pool The NXA WAP250G uses the NAT IP settings to route traffic from the wireless interface to the Ethernet network Click Next to proceed Step 3 Wireless VAP 1 Setting The options on this page for VAP Virtual Access Point 1set the wireless Ser...

Page 21: ...ct 64 Bit 128 Bit or 152 Bit key length Note that the same size of encryption key must be supported on all wireless clients default 64 Bit 64 Bit Enter keys as 5 alphanumeric characters or 10 hexadecimal digits 0 to 9 and A to F 128 Bit Enter keys as 13 alphanumeric characters or 26 hexadecimal digits 152 Bit Enter keys as 16 alphanumeric characters or 32 hexadecimal digits FIG 12 Setup Wizard Wir...

Page 22: ...io avoids using a single WEP Key to encrypt data coming to and from both the WAP 250G and the panel thus making the data much more difficult to decrypt As long as all four WEP Keys on the Touch Panel match the four WEP Keys on the WAP 250G the touch panels will all be able to connect to the WAP 250G using any of the entered WEP Keys FIG 13 illustrates a WEP security scenerio for a system using a t...

Page 23: ...network name which all wireless stations must use to associate with the NXA WAP250G The SSID is case sensitive and can consist of up to 32 alphanumeric characters Default Wireless Network 2 FIG 14 Setup Wizard Wireless VAP 1 Setting WPA PSK settings All wireless devices must be configured with the same WEP or WPA PSK Key values to communicate with the NXA WAP250G FIG 15 Setup Wizard Wireless VAP 2...

Page 24: ...P 1 Setting section on page 16 Click Next to proceed Finish and Reboot 1 Click Finish FIG 16 2 Click the Reboot button to restart the NXA WAP250G FIG 17 Both SSIDs VAP 1 and VAP 2 must use the same encryption method All wireless devices must be configured with the same WEP or WPA PSK Key values to communicate with the NXA WAP250G FIG 16 Setup Wizard Wizard configuration done FIG 17 System is Reboo...

Page 25: ...n 21 NXA WAP250G 802 11b g Wireless Access Point Rebooting the NXA WAP200G can take up to 90 seconds The NXA WAP250G will start using any configured new IP settings which must be used to access the web management interface ...

Page 26: ...Initial Configuration 22 NXA WAP250G 802 11b g Wireless Access Point ...

Page 27: ...r complete control of the WAP 250G s features To access the Advanced Setup menus follow these steps 1 Login to the web interface see the Logging into the Web Interface section on page 12 2 When the Home page opens select Advanced Setup The Welcome to AMX AP Advanced Setup page displays FIG 18 The information in this chapter is organized to reflect the structure of the web management screens for ea...

Page 28: ...figuration settings to factory defaults 32 Wireless VAP 1 2 Wireless VAP 2 is only available when the Operation Mode is set to AP Basic Enables the VAP interface and sets the SSID 34 Channel Sets the radio channel 35 WEP Configures WEP security 36 WPA WPA2 Configures Wi Fi Protected Access Pre shared Key WPA WPA2 security 38 Network DHCP Client Enables DHCP client or manually sets an IP address 39...

Page 29: ...Ethernet port IP Address The IP address configured on the WAP 250G IP Default Gateway The IP address of the gateway router between the WAP 250G and management stations that exist on other network segments HTTP Server The status of the web management server HTTP Server Port The TCP port used by the web management server Version The version number of the current WAP 250G software Wireless Data 1 2 S...

Page 30: ...broadcast and multicast data Information Client The Client page FIG 21 displays details on wireless devices currently associated to the WAP 250G The items on this page include Station Address The MAC address of the wireless client Authenticated Shows if the client has been authenticated The two basic methods of authentication supported for 802 11 wireless networks are open system and shared key FI...

Page 31: ...on Protocol DHCP client DHCP server and Point to Point Protocol over Ethernet PPPoE status FIG 22 The items on this page include DHCP Client Setting Displays whether the DHCP Client Setting is enabled or disabled Enabled indicates the WAP 250G is set to acquire an IP address from the DHCP server Disabled indicates the WAP 250G is set manually to a static IP address recommended The default setting ...

Page 32: ...tion The logged messages can serve as a valuable tool for isolating WAP 250G and network problems FIG 23 The Event Log page displays the last 128 messages logged in chronological order from the newest to the oldest Log messages saved in the WAP 250G s memory are erased when the device is rebooted FIG 23 Event Log If you have SNTP enabled time displays in the log ...

Page 33: ... to the WAP 250G is controlled through a single password Use the options on the Administration Settings page FIG 25 to change the user name and password for web interface access To protect access to the management interface you need to configure an Administrator password as soon as possible If the password is not configured then anyone having access to the WAP 250G may be able to compromise WAP 25...

Page 34: ...gement access The default Password is 1988 length 0 32 characters case sensitive Confirm New Password Enter the password again for verification System Setting Country The options on this page enable you to indicate a country of operation for the WAP 250G FIG 26 FIG 26 System Settings Country Pressing the reset button on the back of the WAP 250G for more than ten seconds resets the user name and pa...

Page 35: ...mmonly used to increase the number of broadcast domains while reducing the size of each broadcast domain which in turn reduces network traffic and increases network security both of which are hampered in cases of single large broadcast domains VAP1 VLAN is the management VLAN Operation Modes There are two Operation Modes AP Set the device as an Access Point The device can also act as a root AP in ...

Page 36: ...ement is enabled it tags traffic from VAP 1 as high priority and traffic from VAP 2 as low priority System Settings Reboot System The Reset System page FIG 29 allows you to restart the WAP 250G software and restore factory default settings FIG 28 System Settings VAP Management This setting is only available when the Operation Mode is set to AP FIG 29 System Settings Reset System ...

Page 37: ...t the system Wireless VAP Settings The Wireless VAP 1 Setting and Wireless VAP 2 Setting pages include configuration options for radio signal characteristics and wireless security features on the WAP 250G FIG 30 The following sections apply to both Wireless VAP 1 Setting and Wireless VAP 2 Setting pages If you have upgraded the system software then you must reboot the WAP 250G to implement the new...

Page 38: ...nts that want to connect to the network must set their SSIDs to match that of the VAP interface The items on this page include Radio Status Enables radio communications for the VAP interface Defaults VAP 1 Enabled VAP 2 Disabled SSID The name of the wireless network service provided by the VAP Clients that want to connect to the network must set their SSID to the same as that of the VAP interface ...

Page 39: ... When multiple WAP 250Gs are deployed in the same area set the channel on neighboring WAP 250Gs at least five channels apart to avoid interference with each other For example you can deploy up to three WAP 250Gs in the same area using channels 1 6 11 Note that wireless clients automatically set the channel to the same as that used by the WAP 250G to which it is linked range 1 11 default 11 FIG 32 ...

Page 40: ...least one key for the VAP interface and all its clients Authentication Mode Select Open or Shared Open system authentication simply consists of two communications The first is an authentication request by the client that contains the station ID typically the MAC address This is followed by an authentication response from the AP router containing a success or failure message An example of when a fa...

Page 41: ...s shared by both VAP 1 and VAP 2 Any changes on VAP 1 affect VAP 2 The selected key is used for authentication and encryption on the VAP interface Enter key values that match the key type and length settings Select 64 Bit 128 Bit or 152 Bit key length Note that the same size of encryption key must be supported on all wireless clients default 64 Bit 64 Bit Enter keys as 5 alphanumeric characters or...

Page 42: ...s FIG 34 The items on this page include WPA WPA2 Status Enables WPA PSK or WPA2 PSK security on the VAP interface When enabled WEP clients are not supported default Disabled Authentication Select an authentication method Supported methods include WPA PSK WPA2 PSK WPA2 PSK Mix Mode WPA WPA2 WPA WPA2 Mix Mode Key Cipher Mode Selects the encryption cipher to use for multicast and unicast data traffic...

Page 43: ...CP server and Network Address Translation NAT Point to Point Protocol over Ethernet PPPoE is also supported for users that have an IP address assigned automatically from an Internet service provider ISP through an ADSL modem Use the options on the Network Settings pages to configure the LAN and WAN network settings FIG 35 Network Settings DHCP Client Setting Configuring the WAP 250G with an IP add...

Page 44: ...Default Gateway The default gateway is the IP address of the router for the WAP 250G which is used if the requested destination address is not on the local subnet If you have management stations located on another subnet type the IP address of the default gateway router in the text field provided Otherwise leave the address as all zeros 0 0 0 0 DNS IP Address The IP address of a Domain Name Server...

Page 45: ...lients by the DHCP server and the external IP address is the IP address assigned to the Ethernet port When enabled the WAP 250G s wireless interface uses the NAT IP settings to access the Ethernet network When the DHCP server is enabled NAT is also enabled The items on this page include DHCP Server NAT Setting Enables or disables the DHCP server and NAT on the WAP 250G Default Enabled Start End IP...

Page 46: ...provides the settings needed for this service FIG 38 The items on this page include PPPoE Setting Enables the WAP 250G IP address to be assigned automatically from an Internet service provider ISP through an ADSL modem using PPPoE Username If your ISP has provided you with a PPPoE user name enter it in the corresponding text box Password If your ISP has provided you with a PPPoE password enter it ...

Page 47: ...he items on this page include Server Name IP Address Enter the hostname or IP address of the Radius server that the WAP 250G will connect to Port Number Enter the port number on the Radius server that will be used by the WAP 250G Ports 1812 and 1645 are the only supported ports New Secret Key Enter the Secret Key of the Radius Server this secret key helps establishing the communication with the Ra...

Page 48: ... Pressing Continue enables you to add more MAC addresses By default MAC Filtering is disabled If you select either Allow or Deny the MAC Address Table opens Allow Select Allow then enter one or more MAC addresses in the MAC Address Table to only allow the specified MAC addresses to connect to the WAP In this case only the MAC addresses listed in the MAC Address Table are allowed to connect to the ...

Page 49: ... s prime meridian zero degrees longitude To display the time corresponding to your local time you must also indicate the number of hours your time zone is located before or after UTC GMT FIG 42 Click on the SNTP link at the top of the page to access the following options SNTP Server Setting Configures the WAP 250G to operate as an SNTP client When enabled the time server IP address must be specifi...

Page 50: ... an FTP or TFTP server Use the options on the Firmware Upgrade page to update the access point system software FIG 43 After upgrading to new software you must reboot the WAP 250G to implement the new code Until a reboot occurs the WAP 250G will continue to run the software it was using before the upgrade started FIG 42 Time Setting SNTP Settings FIG 43 Firmware Upgrade main page ...

Page 51: ...file FIG 44 The items on this page include New Firmware File Specifies the name of the code file on the local web management station You can use the Browse button to locate the image file locally on the management station Start Upgrade Starts the download process Be sure to allow enough time for the download to complete before rebooting the WAP 250G FIG 44 Firmware Upgrade Local File ...

Page 52: ...0G using FTP FIG 45 or TFTP FIG 46 FIG 46 Firmware Upgrade Remote File TFTP When using an FTP or TFTP server be sure to first obtain the IP address of the server and note the correct file path where the WAP 250G software is stored If upgrading from an FTP server also make sure that you have a user account configured on the server with a user name and password FIG 45 Firmware Upgrade Remote File FT...

Page 53: ...r cannot be a period and the maximum length for file names on the FTP TFTP server is 255 characters or 32 characters for files on the WAP 250G Valid characters A Z a z 0 9 _ IP Address IP address or host name of the FTP or TFTP server Username The user ID used for login to an FTP server Password The password used for login to an FTP server Start Upgrade Starts the download process Be sure to allow...

Page 54: ...System Configuration 50 NXA WAP250G 802 11b g Wireless Access Point ...

Page 55: ... seconds or more Connect to the web management interface using the default IP address 192 168 1 240 Then use the default user name Admin case sensitive and the default password 1988 to access the management interface 4 If all other recovery measure fail and the NXA WAP250G is still not functioning properly take any of these steps Reset the NXA WAP250G s hardware using the web interface or through ...

Page 56: ...to the dealer 2 Copy the file into the C TFTP ROOT directory Step 5 Ethernet Connectivity 1 Verify the Ethernet port is enabled and connect an Ethernet cable from the laptop to the WAP 250G 2 Highlight My Network Places Right click Properties Highlight TCP IP Settings and click Properties 3 Assign a static IP Address on the same network as the WAP250 4 Click OK 5 Click OK 6 Click Start Run and typ...

Page 57: ...elect Configure 3 Select the Security Tab and change selection to Transmit and Receive Files FIG 48 4 Click OK Step 8 Re Connect to WAP 250G 1 Open a web browser and enter the IP Address for the WAP 250G 2 Follow the Emergent Recovery System on screen prompts to begin the Firmware upload FIG 48 TFTP Server Configuration dialog ...

Page 58: ...Appendix A Troubleshooting 54 NXA WAP250G 802 11b g Wireless Access Point ...

Page 59: ...Glossary 55 NXA WAP250G 802 11b g Wireless Access Point ...

Page 60: ...registered trademarks of AMX AMX reserves the right to alter specifications without notice at any time It s Your World Take Control 3000 RESEARCH DRIVE RICHARDSON TX 75082 USA 800 222 0193 469 624 8000 469 624 7153 fax 800 932 6993 technical support www amx com ...

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