User Manual - AvaLAN Wireless
Contents
1. 15 The LEDs on the AW2400R2 PC board can be very useful in determining whether the link is operating normally or if not where the trouble might be The next page shows where these LEDs are located and the meaning of each When you are satis fied that the AW2400R2 PAIR radios are operating correctly replace their covers Technical support 650 384 0000 PAGE 9 www avalanwireless com AW2400R2 PAIR Reset Switch Press momentarily to wea cycle power and reboot the module DIP Switches ae WA teed WWW ae only used be od during factory testing LEDs Function Blinks when module is receiving RS 232 data Blinks when module is transmitting RS 232 data Blinks when module is receiving RF data RF TX Blinks when module is transmitting RF data By adding the numbers that are lit you can determine the cur Green CH2 rent radio channel Valid channels are 1 to 29 CH32 is not used For the frequency of each channel see the table on page 11 CH8 Shows link quality more dA bai ao ka kai oe Wa ed Poor link quality frequent retransmissions Rd No link quality no link available RA PWR Lit when the module has DC power RE Located between the USB and power connectors these LEDs USB TX indicate activity through the USB port If LEDs CH1 to CH8 are cycling in a binary count and only the bottom link quality LED is lit the radio is active and searching for another module to link to When link is accomplished the2. http www ftdichip com On their site menu select Drivers and VCP Virtual COM Port Next choose the driver corresponding to your PC s operating system and our chip which is an FT232R We tested Driver Version 2 06 02 dated 31 March 2010 Download the zip file from their site You would also be advised to download the installation guide for your operating system available from the link at the top of the driver selection page Extract the driver zip file to a folder of your choice connect the module to your PC using the supplied USB cable and follow the instructions in the installation guide Once you are successful you should be able to open Windows Device Manager and see something like this in the Ports section a Device Manager eles File Action View Help e9 mE Bos N PRS Keyboards R Mice and other pointing devices H Monitors RY Network adapters Ports COM amp LPT Communications Port COM1 USB Serial Port COM6 2 0 Processors Sound video and game controllers Storage controllers The device labeled USB Serial Port COM6 is the connection to the radio module Windows chooses which COM port number to assign so yours is unlikely to be COM6 In fact every time you plug and unplug the USB or restart your computer the as signed COM port number will probably be different 4 Next you will need a configuration utility and its associated dll file from AvaLAN Go to
3. one more than the Minimum Packet Size to 768 may be chosen with a default of 024 bytes Packets larger than this size will be sent over the RF as fragments and reas sembled at the receiver radio 8 Here is additional information about the tuning parameters The data protocol you are using may require certain groupings of the bytes or particular timing of the information e If you want minimum latency so that data is received as soon as possible after it is sent select a Next Byte Delay of 00 and a Minimum Packet Size of 01 e If you are sending large blocks of data a Minimum Packet Size of 01 can cause the AW2400R2 s buffer to overflow and bytes will be lost The value can be in creased to a maximum that depends on the Baud Rate corresponding to about 5 3 milliseconds Baud Rate Largest Minimum Packet Size Technical support 650 384 0000 PAGE 7 www avalanwireless com AW2400R2 PAIR e Dumping a large volume of data at a fixed high Baud rate runs the risk of data corruption if anything tuning noise retries channel switching etc causes the 4 KB buffer in the sending radio to be overwritten 9 The AW2400R2 s chosen configuration can be saved to a local data file for future use by clicking the Save button You might want to do this when configuring both ends of the link since the AccessPoint Subscriber Unit choice is the only difference The configuration can then be retrieved using the Load button In each
4. CC for use with other products without any further certification as per FCC section 2 1091 Changes or modifications not expressly approved by AvaLAN could void the user s authority to operate the equipment IMPORTANT OEMs must test their final product to comply with unintentional radiators FCC section 15 107 and 15 109 before declaring compliance of their final product to Part 15 of the FCC Rules IMPORTANT The AW2400R2 OEM RF Modules have been certified for fixed base station and mobile applications If modules will be used for portable applications the device must undergo SAR testing Labeling Requirements In order to inherit AvaLAN s FCC Certification compliance requires that the following be stated on the device Contains FCC ID R4N AW2400MR The enclosed 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 cause undesired operation The Original Equipment Manufacturer OEM must ensure that FCC labeling requirements are met This includes a clearly visible label on the outside of the final product enclosure that displays the contents shown in the box above User s Manual Requirements In order to inherit AvaLAN s FCC Certification compliance requires that the following be stated in the user s manual Compliance Statement P
5. Channel LEDs will stop showing the RF channel selected and the link quality LEDs will show the signal strength Technical support 650 384 0000 PAGE 10 www avalanwireless com AW2400R2 PAIR Technical specifications Characteristic Specification Description Serial Baud Rate 9600 19200 38400 57600 76800 115200 Range RF channels bandwidth 29 non overlapping with 2 0833 MHz spacing and 1 75 MHz bandwidth automatic selection or manual via USB Adjacent band rejection Evk Utility Management Tools Serial port configuration encryption keys tuning parameters QoS statistics spectrum analyzer Status LEDs power RF activity serial data activity channel link quality Connectors RF RPTNC Female RS 232 and power RJ 45 weatherproof with cable sealing gland 30 cable with screw terminals included as well ae cover Meets IP66 for water and dust resistance Size 6 by 8 by 20 cm 0 8 Kg connectors included Mounting holes on bottom flange 52 by 190 mm by 4 mm dia 2 4 GHz Channels Channel 7 2 433333 GHz 2 460417 GHz 2 462500 GHz 2 464583 GHz i i 3 ia 10 Technical support 650 384 0000 PAGE 11 www avalanwireless com AW2400R2 PAIR FCC Certification The AW2400R2 OEM RF Module complies with Part 15 of the FCC rules and regulations Compliance with labeling reguirements FCC notices and antenna regulations is reguired IMPORTANT The AW2400R2 OEM RF Modules have been certified by the F
6. TE kaidi AN Ts TE 46 eet Cardama tn aa Cote Tear korr Comic anal ot Lard 1S Saath Eve T ng irar INA Se Fa ii iii baad aga biar hie am kea ampai er p Lea G iene bitr hi Dera bol WA Mahari are CBE Hex ADS Premia amy 1 ibd nr Tiai Torta Seiad et Sipe H Deine Faced Lmg Que Temi Dorig twm Bacal ieh Hem target Dere jaral yarin be fie um bag sargai Som mi buad arida la beye mi mbna reias at n Cial ki aiana em kai Mii Subi UA ribote 0 E e ada ree CII Mid BETH LII brat TE RE HTE Gee mba Dms lir Paty Siy B UL i hrs hi kd g bbl Latiguies Sanl oriu Daa kataa E E Pied Wakat N Bote Piri Pere Alte i Bade Fide Pari et a Disda Daana eo E jm in Soar ros Ij fete Jj Da pecs oe Corned pham ican Lindl icheki AW2400R2 PAIR USER S MANUAL 2 4 GHz Outdoor Wireless RS 232 Bridge Industrial grade long range wireless systems Na LAN WwW lIl L E S S AW2400R2 PAIR Thank you for your purchase of the AW2400R2 PAIR Outdoor Wireless RS 232 Bridge If you have any guestions when configuring your AvaLAN system the best place to get answers is to visit www avalanwireless com You will also find the latest updates there If more assistance is needed send email to support avalanwireless com To speak to a live technician please call technical support at the number below during normal business ho
7. anual is not relevant The pre configuration settings are e One radio is the Access Point or master and the other radio is the Subscriber Unit or client The RF frequency channel will automatically change to avoid interference The Network ID and AES Encryption Key are all zeros The serial port settings are 115200 Baud 8 data bits 2 stop bits no parity Tuning parameters are optimized for minimum latency Next Byte Delay 00 Minimum Packet Size 01 Maximum Packet Size 024 These parameters are explained on page 7 AW2400R2 radios may be re configured by removing the cover and connecting a PC to a USB port on the module inside A utility program from AvaLAN is then run on the PC that can set the configuration and check the link status The LED display on the inside module is also a very useful indicator of the condition of the wireless connection The access point AP automatically scans for the best of the 29 available radio frequency channels encrypts RS 232 data received and transmits it wirelessly to the subscriber unit SU The AP is constantly monitoring the radio link and can automatically change the channel if performance is degraded due to interference If two AP units from two different bridges are very close to one another they may interfere if operating on adjacent frequency channels Place them at least 10 feet apart or manually select non adjacent channels for their operation Also the two radios in the bridge should
8. art 15 19 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 cause undesired operation Warning Part 15 21 Changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment RF Exposure OET Bulletin 65 To comply with FCC RF exposure requirements for mobile transmitting devices this transmitter should only be used or installed at locations where there is at least 20cm separation distance between the antenna and all persons Information to the User Part 15 105 b This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a resi dential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation 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 tr
9. be placed at least 10 feet apart to avoid overloading the radio receivers At each end of the wireless bridge the RS 232 device wired to the AW2400R2 PAIR must have its transmit signal connected to the radio s receive and vice versa Mis wiring will not cause damage but will prevent communication Technical support 650 384 0000 PAGE 3 www avalanwireless com AW2400R2 PAIR Electrical Connections The AW2400R2 PAIR 2 4 GHz Outdoor Wireless RS 232 Bridge contains two each of the following items e Outdoor wireless RS 232 radios e AW2 2400 Omnidirectional Antennas e RJ 45 to Screw Terminal 30 foot cables e DB 9 Female to Screw Terminal breakout adapters e 20 USB to Mini USB Adapter Cables e 120VAC to 12 VDC Wall Hanger Power Supplies Antennas or other useful accessories such as pole mounting brackets may be pur chased from AvaLAN Wireless or our distributors To power up a radio make connections to it as shown in this diagram Terminal Block RS 232 Data Source Rx orange twisted pair Tx green twisted pair blue twisted pair GND brown twisted pair 30 Cable wire Screw Terminals to RJ 45 2 4 GHz White striped C Antenna W wire 12 VD 12 VDC Power Supply al Weatherproof Sealing Gland Connect both ends of the wireless link to their respective RS 232 devices power supplies and antennas in similar fashion The radios use an RJ 45 connector for data because
10. case a file explorer popup allows you to save and retrieve the config file to a location of your choice The default filename is EVK conf 10 When you are ready to upload the configuration to the AW2400R2 module click the Send button This uploads the configuration and causes the module to reboot You can reboot without upload by clicking Reboot Target Keep straight which COM port belongs to which USB interface It is common to connect the two modules of a link at the same time to two different USB ports and if you get confused about which port is which the wrong configuration can be overwritten 11 After both modules of the link are configured and rebooted they should suc cessfully find each other and link The successful accomplishment of this linkage can be determined either by the Stats amp Spectrum tab in EvkUtilityLite or by seeing the correct pattern of LEDs on the modules 12 Click the Stats amp Spectrum tab at the top of the EvkUtilityLite window Make sure that you select the right COM port with the dropdown menu at the top lt will not change automatically to match the port selected on the Boot Configuration tab This page will appear AvalAN EVK Utility Lite vi 9 3824 carey Beet Configumion Sets 4 Spectrum Rats 4 Spectrum Sess Pon USB Songi Port COMS r Statedes and information Spectum Scan Samoa 128 Seo Sze 2 Get Spectrum Scan Rado Pacesd Packets 1106 Rado Total Packets 1106 Rade A
11. dios in the link This key is used to encrypt the transmitted data and decrypt the received data Technical support 650 384 0000 PAGE 6 www avalanwireless com User s Manual PAV PZ ele Wu Baud Rate Drop down menu providing 6 choices from 9600 Baud to 115 200 Baud serial data rate Data Bits Selectable 7 or 8 data bits 8 is the most common choice Parity Selectable among none even odd mark or space none is the most common choice Stop Bits Select 1 or 2 stop bits 2 is the most common choice Tuning Parameters These affect the behavior of the RF packet transmissions relative to the incoming serial data We suggest leaving these at the default values unless the nature of the serial data or the requirements of the protocol being used demand otherwise Next Byte Delay The amount of time the bus must be idle after the Minimum Packet Size has expired before the radio sends everything in it s serial buffer Values of 00 to 10 may be chosen with a default of 00 Each unit of time is the reciprocal of the Baud Rate e g 104 us at 9600 Baud Minimum Packet Size Expected packet size bytes Values of 01 to 99 may be chosen with a default of 01 Packets smaller than this will wait to see if additional packets arrive during this time window If additional packets arrive they will be combined into a single transmission Maximum Packet Size Maximum number of bytes per transmission Values from
12. eboot Received stats from target 6 Use the dropdown menu labeled Boot Config Serial Port to select the virtual COM port connected to your AW2400R2 radio Note that the list is populated only when EvkUtilityLite first starts If you change your cable connection or plug in an other module restart the utility to see the changes Next click the Get button to fetch the current configuration from the radio 7 Here is an explanation of the parameters that may be set on the Boot Configuration page AccessPoint Subscriber Buttons to select whether this radio is the master or the client of the pair Unit Each RS 232 wireless link must have an Access Point at one end and a Sub scriber Unit at the other Number of Subscriber A two digit number leading zero required that must be set to 01 for Units Subscriber ID these AW2400R2 radios Other numbers are needed for multi drop RS 485 versions Channel 00 29 The RF channel for the radio The frequencies corresponding to each channel are shown in the table on page 11 Choose 00 for automatic channel selec tion or set 01 to 29 for a fixed choice Network Name A 32 bit value 8 Hex digits 0 to 9 and A to F that must be the same for the two radios of the link If you have multiple links operating in the same vicin ity give each pair of radios a unique value AES Private Key A 128 bit value 32 Hex digits that must be the same for the two ra
13. omatic selection this number may change from time to time as the radios look for the channel with the lowest block error rate Connected Subscribers This number should always be 1 for the AW2400R2 Subscriber Key RF Connected True if the two radios are linked and able to exchange data False other wise Radio Active True if the radio has a valid configuration and is linked or searching for a link False otherwise Radio Version 2 4 GHz Full Band for this product Radio Firmware Release The version of the firmware running in this module Check www avalan wireless com from time to time to see if a later version is available 14 The Spectrum Scan may be used to identify interference issues When Get Spectrum Scan is clicked the module s transmitter is disabled interrupting the serial data flow The receiver is tuned across the 2 4 GHz band and the RSSI is plot ted for each frequency You can select the frequency step size and the number of samples to be taken and averaged at each frequency The smaller the step size and the larger the number of samples averaged the longer the scan will take If you perform a scan from the Subscriber Unit you will see large transient spikes caused by the Access Point scanning the channels because the Subscriber Unit has gone off line Scanning from the Access Point will show a better picture of external interfer ence sources After a spectrum scan the radio will resume normal operation
14. our website http www avalanwireless com Navigate to Support then Downloads Choose the AvaLAN Evk Utility Lite file and download the zip file This zip archive contains two files EvkUtilityLite exe and ZedGraph dll Extract both of these to the same folder of your choice The utility does not use the Windows registry and can be placed anywhere but the dll must be in the same folder Technical support 650 384 0000 PAGE 5 www avalanwireless com AW2400R2 PAIR 5 Run EvkUtilityLite exe and you should see a window like this AvaLAN EVK Utility Lite v1 9 3824 C ox Boot Configuration Stats amp Spectrum Boot Config Serial Port USB Serial Port COM6 Load boot configuration from file on local computer Get boot configuration from target AccessPoint ni Number of Subscriber Units Subscriber Unit Subscriber ID Channel 00 12 00 00 auto mode Network Name 32 bit Hex 1234 5678 AES Private Key 128 bit Hex 0000 0000 0000 0000 0000 0000 0000 ABCD Baud rate Data Bits Parity Stop Bits Data Terminal Serial Port Settings 115200 vs v None vi Next Byte Delay 10 Min 0 Max 10 Minimum Packet Size 60 Min 1 Max 5to 60 Depending on Baud Rate please see manual Maximum Packet Size 768 Min Minimum Packet Size 1 Max 768 Save boot config to file on local computer Send boot config to target and automatically reboot Config takes effect after r
15. they leverage the weatherproof solution already developed for our Ethernet products If the length or termination method of the cable supplied does not meet your needs an inexpensive CAT5 cable can be used by installing an RJ 45 plug on the radio end and terminating the other end however you wish Provide some physical separation between two radio module antennas at least ten feet If their antennas are in close proximity the module radio receivers will be overloaded causing degradation in the bit error rate and slower link performance Technical support 650 384 0000 PAGE 4 www avalanwireless com AW2400R2 PAIR Configuration Setting or changing the configuration Baud rate etc of the AW2400R2 PAIR is done via the USB interface on their internal modules Follow these steps with both radios 1 Remove the four screws holding the radio s cover The screws have a 1 8 Allen hex head Be careful not to damage the rubber sealing gasket or the lip on the box A labeled picture of the internal module may be found on page 10 2 The PC that you will connect via USB to the module must have a USB 2 0 or later port available and be running MS Windows XP or later In addition three critical pieces of software must be installed a driver a utility and a dll 3 Your PC requires a virtual COM port driver to allow communication with the USB interface chip in the module This driver may be downloaded from the chip manu facturer s website
16. urs Limited Warranty This product is warranted to the original purchaser for normal use for a period of 360 days from the date of purchase If a defect covered under this warranty occurs AvaLAN will repair or replace the defective part at its option at no cost This warranty does not cover defects resulting from misuse or modification of the product by AvaLAN Wireless Systems Inc All rights reserved Revision 04 10 2013 125A Castle Drive Madison AL 35758 Sales 866 533 6216 Technical Support 650 384 0000 Customer Service 650 641 3011 Fax 650 249 3591 Technical support 650 384 0000 PAGE 2 www avalanwireless com AW2400R2 PAIR Operational summary RS 232 is a point to point serial data connection that requires just three wires Transmit Data Receive Data and Ground Because there is no handshake involved both ends must be configured for matching data timing and protocol or communica tion will not occur Also it is possible to lose data if the receiving device cannot keep up with the sending device The AW2400R2 PAIR supports data rates from 9600 Baud to 115 200 Baud and has a 4 KB data buffer When properly configured this pair of radios behave just like an RS 232 cable but without the length constraint and without a physical wire The AW2400R2 PAIR is shipped from the factory pre configured to meet most user s needs If this configuration works for you most of the rest of the information in this m
17. verage TX Sze 101 Rade Average RX Sue 101 Curent RE Channsi 9 Conneced Subscrbers Subscrber Key 1 RF Connected True Rado Active True Rado Verson SOMH Ful Band Rado Firmware Release 31 Recewed stats from target Note This screen shot was made using an AW900R2 PAIR but the AW2400R2 PAIR is very similar Technical support 650 384 0000 PAGE 8 www avalanwireless com AW2400R2 PAIR 13 A snapshot of the module s status can be retrieved by clicking the Get Stats button Here is an explanation of the values returned Received Signal Strength Indication in dBm This is useful when aligning antennas or evaluating path attenuation Radio Block Error Rate Percentage of radio data blocks that are incorrectly received Radio Failed Packets Count of failed data packets since the last reboot This may remain zero because of retries even when the Radio Block Error Rate climbs because of a poor connection Radio Passed Packets Count of successful data packets since the last reboot Radio Total Packets Total packets transmitted since last reboot Radio Average TX Size Average bytes transmitted per packet a function of the serial data source and the selected tuning parameters Radio Average RX Size Average bytes received per packet a function of the serial data source and the selected tuning parameters Current RF Channel The RF channel currently in use If a fixed channel is configured this number should match If aut
18. y to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment 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 Technical support 650 384 0000 PAGE 12 www avalanwireless com
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