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References

This chapter provides more detailed information about wireless-related technologies. The information in this
chapter can help you administer your IE-WL-BL-AP-CLs and plan your industrial wireless network better.

The following topics are covered in this appendix:



Beacon



DTIM



Fragment



RTS Threshold

Содержание IE-WL-BL-AP-CL

Страница 1: ...Industrial Wireless Access Point Client User Manual IE WL BL AP CL 2616170000 00 06 18 First Edition June 2018 ...

Страница 2: ...ves the right to make improvements and or changes to this manual or to the products and or the programs described in this manual at any time Information provided in this manual is intended to be accurate and reliable However Weidmüller assumes no responsibility for its use or for any infringements on the rights of third parties that may result from its use This product might include unintentional ...

Страница 3: ...Fault Pass Through for Client mode only 42 Logs and Notifications 42 System Logs 43 Syslog 44 E mail Notifications 45 Trap 46 Status 47 Wireless LAN Status 47 Associated Client List for AP Master mode only 48 DHCP Client List for AP mode only 48 System Logs 49 Power Status 49 System Status 49 Network Status 50 Maintenance 50 Console Settings 51 Ping 51 Firmware Upgrade 51 Configuration Import and ...

Страница 4: ...con 73 DTIM 73 Fragment 73 RTS Threshold 73 B Supporting Information 74 About This User s Manual 75 DoC Declaration of Conformity 75 Federal Communication Commission Interference Statement 75 R TTE Compliance Statement 76 ...

Страница 5: ...ice is rated to operate at temperatures ranging from 0 to 60 C for standard models IE WL BL AP CL and 40 to 75 C for wide temperature models IE WLT BL AP CL and is rugged enough for any harsh industrial environment The following topics are covered in this chapter Overview Product FeaturesProduct Features Product Features Product Specifications Functional Design Device Port LED Indicators Beeper Re...

Страница 6: ...eless investments Package Checklist Weidmüller s IE WL BL AP CL is shipped with the following items If any of these items is missing or damaged please contact your customer service representative for assistance 1x Wireless Access Point Client 2x dual band omni directional antennas 2 dBi RP SMA male Hardware Installation Guide printed 1x RJ 45 protective cap for console port Product Features IEEE80...

Страница 7: ...260 to 5 320 GHz 4 channels 5 500 to 5 700 GHz 11 channels JP 2 412 to 2 484 GHz 14 channels DSSS 5 180 to 5 240 GHz 4 channels 5 260 to 5 320 GHz 4 channels 5 500 to 5 700 GHz 11 channels KR 2 412 to 2 472 GHz 13 channels 5 180 to 5 320 GHz 4 channels 5 260 to 5 320 GHz 4 channels 5 500 to 5 640 GHz 8 channels ANZ 2 412 to 2 472 GHz 13 channels 5 180 to 5 320 GHz 4 channels 5 260 to 5 320 GHz 4 c...

Страница 8: ...8 1 5 dBm MCS7 15 20 MHz Typ 23 1 5 dBm MCS0 8 40 MHz Typ 18 1 5 dBm MCS7 15 40 MHz Note Based on regional regulations the maximum transmission power allowed on the UNII bands is restricted in the firmware as indicated below US EU JP KR CN ANZ 2 4 GHz 26 dBm 18 dBm 18 dBm 18 dBm 18 dBm 18 dBm 5 GHz UNII 1 23 dBm 21 dBm 21 dBm 21 dBm 21 dBm 21 dBm 5 GHz UNII 2 23 dBm 21 dBm 21 dBm 21 dBm 21 dBm 21 ...

Страница 9: ...n condensing Power Requirements Input Voltage 12 to 48 VDC redundant dual DC power inputs Connector 4 pin removable terminal block 500 V insulation Power Consumption 6 96 W Reverse Polarity Protection Present Standards and Certifications Safety UL 60950 1 EN 60950 1 EMC EN 55032 55024 EMS IEC 61000 4 2 ESD Contact 4 kV Air 8 kV IEC 61000 4 3 RS 80 MHz to 1 GHz 10 V m IEC 61000 4 4 EFT Power 2 kV S...

Страница 10: ...ing the current operational status and wireless settings The FAULT LED indicates system failures and user configured events If the device cannot retrieve the IP address from a DHCP server the FAULT LED will blink at one second intervals The SIGNAL LEDs indicate signal strength and only operate in Client mode The following table summarizes how to read the device s wireless settings from the LED dis...

Страница 11: ... LED Indicators Port Interface 1000M Green On TP port s 1000Mbps link is active Blinking Data is being transmitted at 1000 Mbps Off TP port s 1000Mbps link is inactive 10 100M Amber On TP port s 10 100Mbps link is active Blinking Data is being transmitted at 10 100 Mbps Off TP port s 10 100Mbps link is inactive ATTENTION When the system fails to boot the LEDs for STATE Green FAULT and WLAN will al...

Страница 12: ...rst time and quickly set up your wireless network and test whether the connection is running well The Function Map discussed in the third section provides a convenient means of determining which functions you need to use The following topics are covered in this chapter First time Installation and Configuration Communication Testing Function Map ...

Страница 13: ...ose an IP address on the same subnet as the IE WL BL AP CL Since the device s default IP address is 192 168 1 110 and the subnet mask is 255 255 255 0 you should set the IP address of the computer to 192 168 1 xxx NOTE After you select Maintenance Load Factory Default and click the Submit button the IE WL BL AP CL will be reset to factory default settings and the IP address will be reset to 192 16...

Страница 14: ... After installing the IE WL BL AP CL you can run a sample test to make sure the device and wireless connection are functioning normally Two testing methods are described below Use the first method if you are using only one IE WL BL AP CL device and use the second method if you are using two or more units How to Test One IE WL BL AP CL If you are only using one Wi Fi device you will need a second n...

Страница 15: ... change the second or third IE WL BL AP CL connected to notebook B to Client mode and then configure the notebooks and IE WL BL AP CL units properly After setting up the testing environment open a DOS window on notebook B At the prompt type ping IP address of notebook A and then press Enter A Reply from IP address response means the communication was successful A Request timed out response means t...

Страница 16: ...ions via e mail and SNMP notification Note These functions are all optional Current status information for monitoring wired wireless network performance advanced services and device management functions On demand functions to support the web based console management operation Functions for maintaining IE WL BL AP CL and for diagnosing the network Essential settings related to establishing a wirele...

Страница 17: ...N Security Settings Advanced WLAN Settings WLAN Certificate Settings for EAP TLS in Client Slave mode only Advanced Setup DHCP Server for AP mode only Packet Filters SNMP Agent Link Fault Pass Through for Client mode only Logs and Notifications System Logs Syslog E mail Notifications Trap Status Wireless LAN Status Associated Client List for AP Master mode only DHCP Client List for AP mode only Sy...

Страница 18: ... from the same logical subnet The IE WL BL AP CL s default IP is 192 168 1 110 Follow these steps to access the IE WL BL AP CL s web interface 1 Open your web browser e g Internet Explorer and type the default IP address into the address field Press Enter to establish the connection 2 The Login page will be displayed then enter the password default Username password admin Detmold and then click Lo...

Страница 19: ...P CL is shown as IE WL BL AP CL XX where XX indicates the country code The country code indicates the IE WL BL AP CL version and which frequencies it uses We use IE WL BL AP CL EU as an example in the following figures The country code and model name that appears on your computer screen might be different from the one shown here Overview The Overview page summarizes the IE WL BL AP CL s current st...

Страница 20: ...s to maintain and control the IE WL BL AP CL System Information The System Information items especially Device name and Device description are displayed and included on the Overview page in SNMP information and in alarm emails Setting System Information items makes it easier to identify the different IE WL BL AP CL units connected to your network Device name Setting Description Factory Default Max...

Страница 21: ...configuration panel allows you to modify the usual TCP IP network parameters Network Settings for AP Client Operation Modes IP address assignment Setting Description Factory Default DHCP The device s IP address will be assigned automatically by the network s DHCP server Static Static Set up the device s IP address manually IP address Setting Description Factory Default IE WL BL AP CL s IP address ...

Страница 22: ...ated date and time parameters An Updated string is displayed which indicates that the change is complete Local system time will be immediately activated in the system without running Save and Restart NOTE The device has a built in real time clock RTC We strongly recommend that users update the Current local time for the device after the initial setup or a long term shutdown especially when the net...

Страница 23: ...rver 600 seconds Wireless LAN Setup The IE WL BL AP CL provides the AP client mode for point to multipoint communication AP client The IP Bridging mechanism is used to overcome limitations of the 802 11 standards In this case the MAC address of the devices connected to the client radio will be replaced with the client s MAC address Under AP client modes communication problems might be encountered ...

Страница 24: ... Wireshark installed v1 12 0 or later release via Ethernet 3 Add a remote interface by entering the IP address of the IE WL BL AP CL Detailed Wireshark instructions can be found at https www wireshark org docs wsug_html_chunked ChCapInterfaceRemoteSection html 4 Start capturing 802 11 wireless packets with Wireshark Basic WLAN Setup The Basic WLAN Setup panel is used to add and edit SSIDs An SSID ...

Страница 25: ...Click this button to view information about available APs as shown in the following figure You can click on the SSID of an entity and bring the value of its SSID onto the SSID field of the Basic WLAN Setup page Click the Refresh button to update the site survey table RF type Setting Description Factory Default 2 4 GHz B Only supports the IEEE 802 11b standard B G N Mixed G Only supports the IEEE 8...

Страница 26: ...t 20 40 MHz Auto 20 MHz 20 40 MHz Channel bonding Channel bonding shows the channel with which the AP will bond if Channel width is set to 20 40 MHz SSID Setting Description Factory Default Max of 31 characters The SSID of a client and the SSID of the AP must be identical for the client and AP to be able to communicate with each other Weidmueller SSID broadcast for AP mode only Setting Description...

Страница 27: ...n is run with authentication When WEP is enabled as a security mode the length of a key so called WEP seed can be specified in 64 128 bits which is actually a 40 104 bit secret key with a 24 bit initialization vector The IE WL BL AP CL provides 4 entities of WEP key settings that can be selected to use with Key index The selected key setting specifies the key to be used as a send key for encryptin...

Страница 28: ...ue session is secured Even though AES encryption is only included in the WPA2 standard it is widely available in the WPA security mode of some wireless APs and clients as well The IE WL BL AP CL also supports AES algorithms in WPA and WPA2 for better compatibility Personal versions of WPA WPA2 also known as WPA WPA PSK Pre Shared Key provide a simple way of encrypting a wireless connection for hig...

Страница 29: ...onsidered if the line is not very busy WPA WPA2 Enterprise for AP Master mode By setting WPA type to Enterprise you can use EAP Extensible Authentication Protocol a framework authentication protocol used by 802 1X to provide network authentication In these Enterprise level security modes a back end RADIUS Remote Authentication Dial In User Service server is needed if IEEE 802 1X functionality is e...

Страница 30: ...hods or EAP protocols EAP TLS EAP TTLS and EAP PEAP corresponding to WPA WPA2 Enterprise settings on the AP side Encryption method Setting Description Factory Default TKIP Temporal Key Integrity Protocol is enabled AES AES Advance Encryption System is enabled This option is only available with 802 11a b g standard EAP protocol Setting Description Factory Default TLS Specifies Transport Layer Secur...

Страница 31: ...authentication server This step establishes a tunnel that protects the next step or inner authentication and consequently is sometimes referred to as outer authentication The TLS tunnel is then used to encrypt an older authentication protocol that authenticates the user for the network As you can see digital certificates are still needed for outer authentication in a simplified form Only a small n...

Страница 32: ...rences in the TTLS and PEAP inner authentication procedures TTLS uses the encrypted channel to exchange attribute value pairs AVPs while PEAP uses the encrypted channel to start a second EAP exchange inside of the tunnel The IE WL BL AP CL provides MS CHAP V2 merely as an EAP method for inner authentication Inner EAP protocol Setting Description Factory Default MS CHAP V2 Microsoft CHAP version 2 ...

Страница 33: ...ate the IE WL BL AP CL will avoid communicate with weak signal wireless links to maintain overall wireless performance and optimize the wireless frequency usage 0 Disable Multicast rate Setting Description Factory Default Available rates You can set a fixed multicast rate for the transmission of broadcast and multicast packets on a per radio basis This parameter can be useful in an environment whe...

Страница 34: ...entioned settings By setting these parameters properly you can better tune the performance of your wireless network Antenna Setting Description Factory Default A B Both Specifies the output antenna port Setting Antenna to Both allows 2x2 MIMO communication under 802 11n and 2T2R communication in legacy 802 11a b g modes Both Note 2T2R is different from 802 11n s multiple spatial data stream 2x2 MI...

Страница 35: ...when you have full control of the designated radio channel AP candidate threshold After the AP alive check declares the current access point is no long available the surrounding access points must have good enough connection qualities SNR Signal Strength in order to be the qualified as AP candidates for association MAC clone for Client mode only Setting Description Factory Default Enable Disable E...

Страница 36: ...oad Certificate File to import the certificate file If the import succeeds you can see the information uploaded in Current Certificate If it fails return to step 1 to set the password correctly and then import the certificate file again NOTE The WLAN certificate will remain after the IE WL BL AP CL reboots Even though it is expired it can still be seen on the Current Certificate Advanced Setup Sev...

Страница 37: ...able Enables IE WL BL AP CL as a DHCP server Disable Disable Disable DHCP server function Default gateway Setting Description Factory Default IP address of a default gateway The IP address of the router that connects to an outside network None Subnet mask Setting Description Factory Default subnet mask Identifies the type of sub network e g 255 255 0 0 for a Class B network or 255 255 255 0 for a ...

Страница 38: ...r out IP based packets with specified MAC addresses The IE WL BL AP CL provides 8 entities for setting MAC addresses in your filtering policy Remember to check the Active check box for each entity to activate the setting MAC filters Setting Description Factory Default Enable Enables MAC filters Disable Disable Disables MAC filters Policy Setting Description Factory Default Accept Only the packets ...

Страница 39: ... Setting Description Factory Default Accept Only the packets fitting the entities on the list can be allowed Drop Drop Any packet fitting the entities on the list will be denied ATTENTION Be careful when you enable the filter function Drop no entity on list is activated all packets are allowed Accept no entity on list is activated all packets are denied TCP UDP Port Filters The IE WL BL AP CL s TC...

Страница 40: ...ion which means that SNMP servers access all objects with read only or read write permissions using the community string public private default value SNMP V3 which requires you to select an authentication level of MD5 or SHA is the most secure protocol You can also enable data encryption to enhance data security SNMP security modes and security levels supported by the IE WL BL AP CL are shown in t...

Страница 41: ...ng figure SNMP agent Setting Description Factory Default Enable Enables SNMP agent Disable Disable Disables SNMP agent Remote management Setting Description Factory Default Enable Allow remote management via SNMP agent Disable Disable Disallow remote management via SNMP agent Read community for V1 V2c Setting Description Factory Default V1 V2c Read Community Use a community string match with a max...

Страница 42: ...ce Object ID Also known as OID this is IE WL BL AP CL s enterprise value which is a fixed value Link Fault Pass Through for Client mode only This function means if Ethernet port is link down wireless connection will be forced to disconnect Once Ethernet link is recovered IE WL BL AP CL will try to connect to AP If wireless is disconnected IE WL BL AP CL restarts auto negotiation on Ethernet port b...

Страница 43: ...shuts down Client joined left for AP Master mode A wireless client is associated or disassociated WLAN connected to AP for Client Slave mode The IE WL BL AP CL is associated with an AP WLAN disconnected for Client Slave mode The IE WL BL AP CL is disassociated from an AP RSTP changed The RSTP topology has changed RSTP new root bridge ID The RSTP changes its root bridge ID Client Roaming from previ...

Страница 44: ...ODULE RS232 EBR MODULE RS232 failure IE WL BL AP CL cannot detect an EBR MODULE RS232 at the console port Configuration reset to default The configuration is reset to factory default Power events Event is triggered when Power 1 2 transition On Off The IE WL BL AP CL is powered down in PWR1 2 PoE transition On Off The IE WL BL AP CL is powered down in PoE Power 1 2 transition Off On The IE WL BL AP...

Страница 45: ...ormat So we recommend disabling this function during normal usage E mail Notifications Notification Event Types Check the Active box next to the event type to enable the event type for email notification By default all event types are deactivated unchecked E mail Server Settings You can set up to 4 e mail addresses to receive alarm emails from the IE WL BL AP CL The following parameters can be con...

Страница 46: ...ations to a management station This trap driven notification can make your network more efficient Because a management station usually takes care of a large number of devices that have a large number of objects it will be overloading for the management station to poll or send requests to query every object on every device It would be better if the managed device agent could notify the management s...

Страница 47: ... maximum of 31 characters for authentication Alert Status Wireless LAN Status The status for 802 11 Information parameters such as Operation mode and Channel are shown on the Wireless Status page The status will refresh every 5 seconds if the Auto Update box is checked Certain values for 802 11 Information might not be displayed based on the different operation modes selected For example the Curre...

Страница 48: ...the client has been connecting to this AP Master SNR States the Signal Noise Ratio of the associated client This is especially useful for identifying a weak signal client that is potentially reducing the overall wireless performance Tx Bytes Pkts Records the AP to client traffic after a client is associated Rx Bytes Pkts Records the client to AP traffic after a client is associated DHCP Client Lis...

Страница 49: ... Power Status The status of power inputs and digital inputs is shown on this web page The status will refresh every 5 seconds if the Auto Update box is checked System Status The system status section indicates the status of the device memory and CPU usage in the current device NOTE A CPU overload can result in a watchdog triggered reboot of the system Factors such as a high number of firewall rule...

Страница 50: ...current IP to MAC address mapping for the device Bridge Status Indicates the current status of the network bridge on the device The interfaces and the corresponding MAC addresses in this section are the entry points for ingress traffic LLDP Status Displays information on neighboring devices collected via LLDP Link Layer Discovery Protocol Maintenance Maintenance functions provide the administrator...

Страница 51: ...node and access path are available you will see that all packets were successfully transmitted with no loss Otherwise some or even all packets might get lost as shown in the following figure Firmware Upgrade The IE WL BL AP CL can be enhanced with more value added functions by installing firmware upgrades The latest firmware is available at Weidmüller s download center Before running a firmware up...

Страница 52: ...ton to begin importing the configuration In the Configuration Export section click the Export Configuration button and save the configuration file onto your local storage media The configuration file is a text file and you can view and edit with a general text editing tool You can also back up or restore the EBR MODULE RS232 external backup and restore module configuration using Export Configurati...

Страница 53: ... to reset the IE WL BL AP CL and rollback all settings to the factory default values You can also reset the hardware by pressing the reset button on the top panel of the IE WL BL AP CL Account Settings To ensure that devices located at remote sites are secure from hackers we recommend setting up a high strength password the first time you configure the device Field Description Default setting Mini...

Страница 54: ...Web UI change the device s configuration and use the device s import export capability User Allows the user to access the Web UI but the user will not be able to change the device s configuration or use the device s import export capability Admin Account name The username of the account Admin New Password The password used to log in to the device Detmold Confirm Password Retype the password If the...

Страница 55: ...g Description Factory Default Always Enable The device s Reset button works normally Always enable Disable the Factory Reset Function after 60 Seconds The device s reset to default function will be inactive 60 seconds after the IE WL BL AP CL finishes booting up Troubleshooting This feature allows you to quickly obtain the current system status and provide diagnostics information to Weidmüller eng...

Страница 56: ...you have selected the export to a file option the system log is encrypted and packed into a file The limit on the log file size is 1 MB When the size of the log file reaches 1MB another file is created A maximum of 5 files 5MB will be kept for downloading When the number of files exceeds five the oldest file is deleted Save Configuration The following figure shows how the IE WL BL AP CL stores the...

Страница 57: ...ges in the configuration setting to take effect If you have submitted configuration changes you will find a blinking string in the upper right corner of the configuration screen After making all your configuration changes click the Restart function in the left menu box If you made changes recently but did not save you will be given two options Clicking the Restart button here will reboot the IE WL...

Страница 58: ...u will not be able to run any of the device s functions while the system is rebooting Logout Logout helps users disconnect the current HTTP or HTTPS session and go to the Login page For security reasons we recommend you logout before quitting the console manager ...

Страница 59: ...4 4 Software Installation and Configuration The following topics are covered in this chapter WLAN Administration Tool Installing WLAN Administration Tool Configuring WLAN Administration Tool ...

Страница 60: ...al Ethernet 4 Select category Industrial Wireless Firmware and Software for IE WL BL AP CL 5 Download WLAN Administration Tool Installing WLAN Administration Tool For example if the file was placed on the Windows desktop it should appear as follows Simply double click on the icon to run the program 1 Click Next when the Welcome screen opens to proceed with the installation 2 Click Next to install ...

Страница 61: ... BL AP CL Software Installation and Configuration 4 61 3 Click Next to create the program s shortcut files to the default directory or click Browse to select an alternate location 4 Click Next to select additional tasks ...

Страница 62: ...earch function is used to locate all IE WL BL AP CL APs that are connected to the same LAN as your computer After locating an IE WL BL AP CL you will be able to change its IP address Since the Broadcast Search function searches by TCP packet and not IP address it doesn t matter if the IE WL BL AP CL is configured as an AP or Client In either case APs and Clients connected to the LAN will be locate...

Страница 63: ...t automatically Then click the Search icon 4 The Searching window indicates the progress of the search When the search is complete all IE WL BL AP CLs that were located will be displayed in the WLAN Administration Tool window ATTENTION Depending on the Windows Firewall settings the list of devices might be empty as Port 53 is blocked at the computer In this case please define the Network as privat...

Страница 64: ...lly 7 Go to Tools Device Login Options to manage and unlock additional IE WL BL AP CLs 8 Use the scroll down list to select the MAC addresses of those IE WL BL AP CLs you would like to manage and then click Add Key in the password for the IE WL BL AP CL device and then click OK to save If you return to the search page and search for the IE WL BL AP CL again you will find that the IE WL BL AP CL wi...

Страница 65: ...ration changes Refer to Chapter 3 Using the Web Console for information on how to use the web console Click on Telnet if you would like to use telnet to configure your IE WL BL AP CL Click Assign IP to change the IP setting The three advanced options Search Connection and Miscellaneous are explained below Search Retry count default 5 Indicates how many times the search will be retried automaticall...

Страница 66: ...ad Firmware and Unlock to complete Upgrade timeout secs Use this option to set the waiting time for the connection to disconnect while the firmware is upgrading Use this option to set the waiting time for the Firmware to write to flash Misc Search on start Checkmark this box if you would like the search function to start searching for devices after you log in to the WLAN Administration Tool ...

Страница 67: ...which requires using a short serial cable to connect the IE WL BL AP CL to a PC s COM port can be used if you do not know the device s IP address The other consoles can be used to access the IE WL BL AP CL over an Ethernet LAN or over the Internet The following topics are covered in this chapter RS 232 Console Configuration 115200 None 8 1 VT100 Configuration by Telnet and SSH Consoles Configurati...

Страница 68: ...powered at reversed voltage ex 48VDC even though reverse voltage protection is supported NOTE We recommend using Hyper Terminal Program which is already installed under Windows XP operating system Before running Hyper Terminal Program use an RJ45 to DB9 F or RJ45 to DB25 F cable to connect the device s RS 232 console port to your PC s COM port generally COM1 or COM2 depending on how your system is...

Страница 69: ...en will appear Enter the default login admin and then enter the default Console Password Detmold this is the same as the Web Browser password and then press Enter 5 The IE WL BL AP CL s Main Menu will be displayed 6 After entering the Main Menu use the shown keys to move to select options ATTENTION If you unplug the RS 232 cable or trigger DTR a disconnection event will be evoked to enforce logout...

Страница 70: ... 255 0 Follow the steps below to access the console utility via the Telnet command or using an SSH client 1 From Windows Desktop run Start Run and then use Telnet to access the IE WL BL AP CL s IP address from the Windows Run window you may also issue the telnet command from the MS DOS prompt 2 When using SSH client ex PuTTY please run the client program ex putty exe and then input the device s IP...

Страница 71: ...ou can see the protocol in URL is https Then you can use the menu tree on the left side of the window to open the function pages to access each of IE WL BL AP CL s functions Disabling Telnet and Browser Access If you are connecting the IE WL BL AP CL to a public network but do not intend to use its management functions over the network then we suggest disabling both Telnet Console and Web Configur...

Страница 72: ...ormation about wireless related technologies The information in this chapter can help you administer your IE WL BL AP CLs and plan your industrial wireless network better The following topics are covered in this appendix Beacon DTIM Fragment RTS Threshold ...

Страница 73: ...t networking while preventing your PC from dropping into power saving sleep mode Higher settings allow your PC to enter sleep mode thus saving power Fragment A lower setting means smaller packets which will create more packets for each transmission If you have decreased this value and experience high packet error rates you can increase it again but it will likely decrease overall network performan...

Страница 74: ...l information about this product You can also learn how to contact Weidmüller for technical support The following topics are covered in this appendix About This User s Manual DoC Declaration of Conformity Federal Communication Commission Interference Statement ...

Страница 75: ...may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one of the following measures Reorient or relocat...

Страница 76: ...OF THE EUROPEAN PARLIAMENT AND THE COUNCIL OF 9 March 1999 on radio equipment and telecommunication terminal equipment and the mutual recognition of their conformity R TTE The R TTE Directive repeals and replaces in the directive 98 13 EEC Telecommunications Terminal Equipment and Satellite Earth Station Equipment as of April 8 2000 Safety This equipment is designed with the utmost care for the sa...

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