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TALON UDC SERIES - Harris County ARES

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1. cmd STATUS LONG FREE BYTES 1661 A stream 50 2 CONNECTED to NORTH2 B stream IO CONNECTED to SOUTH C stream DISCONNECTED J stream DISCONNECTED REM DISCONNECTED Page 91 of 101 DWG ID 181 0101 00A Date 2003 09 26 See also conperm maxusers myremote and streamsw STOP n n 00 FF default 13 lt Ctrl S gt This command specifies the character sent by the computer to the TALON to stop output from the TALON If set to 00 only hardware flow control will be used For software flow control set this parameter to the character the computer will send to stop data flow See also start xflow xoff xon STREAMCA ON OFF default OFF When receiving packets addressed only to you MONITOR OFF and or MCON OFF setting this command ON will enable the display of the callsign of the connected to station following the stream identifier of the connection as controlled by STREAMEV This is especially useful when operating with multiple connections allowed See also mcon monitor and streamev STREAMEV ON OFF default OFF When OFF the stream indicator is displayed only when a change in streams occurs When ON the stream indicator will be displayed with every incoming packet This command takes effect only when receiving those packets addressed to you and MCON is OFF See also mcon monitor streamca and streamsw STREAMSWn n 00 FF default 7C This command selects the character to be us
2. It is the responsibility of the user of this equipment to obtain the proper FCC license to operate this product on the desired channel of operation This product complies with part 15 of the FCC rules and regulations It may not be modified without the expressed consent of Kantronics Modification of this product could void the user s authorization to use the product The user is cautioned that any changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment The user is also cautioned that any peripheral device installed with this equipment must be connected with a high quality shielded cable to insure compliance with FCC limits Note The shield of the cable whether foil braid braid over foil or double braid must be properly terminated connected 360 to the connector This is usually accomplished by the use of a metal or metalized plastic back shell but may be implemented by direct contact including soldering with metal portion of connector Experience has indicated that cable assemblies with connectors advertised as shielded are not necessarily terminated properly if terminated at all Check cable construction to be sure 4 5 Industry Canada Notice This Class A digital apparatus meets all requirements of the Canadian Interference Causing Equipment Regulations Operation is subject to the following two conditions 1 this device may no
3. 9 5 2 1 3 Suggested Settings Usually the CONMODE command is set to TRANS and the PACTIME command is set to AFTER 1 The CONMODE TRANS command makes the modem data transparent to the Remote device The PACTIME AFTER 1 command allows the modem to transmit the data received via the serial port with as little delay as possible This speeds up the response time of the system by reducing dead air time It is also recommended to set the PACLEN command to zero This allows the modem to send a single packet of data to the radio of any size between and the maximum of 256 characters If the response data from the remote contains more characters than the PACLEN command allows the data will be transmitted in multiple packets with the Remote POLLID automatically attached to the beginning of each data packet In such a case it is the responsibility of the Control Application Program to reassemble the data CAUTION Allowing the Control Site application to send more data than that permitted by the PACLEN command is the most common cause of failure using the POLL mode BE ABSOLUTELY SURE THAT CONTROL SITE TRANSMISSIONS NEVER EXCEED THE PACLEN LIMIT 9 5 2 2 Entering POLL Mode When you have entered the POLLID of the unit and made any desired changes from the default settings in the parameters use the INTFACE command to begin POLL operation Set the INTFACE command to POLL cmd INTFACE POLL lt cr gt and turn the unit off and then back on 9 5 2 3
4. Fax 785 842 2031 E mail address service kantronics com Web site http www kantronics com When writing faxing or sending email to Kantronics include a clear description of the problem unit name firmware version computer type communication software used and if possible a list of current parameter settings in the unit as shown in response to a DISPLAY command Be sure to include a return fax number mailing address and or email address Returns direct to the factory for refund or exchange are strictly regulated The sales department must approve any return for refund or exchange If the unit was recently purchased from one of our authorized dealers contact that dealer first 3 10 Repair Service Charges Consult the limited warranty policy in this manual for the service provisions offered by Kantronics at no charge This warranty is considered to be in force only when the customer has submitted a completed warranty registration within ten days 10 d of purchase and when the stipulations of the warranty have been met Violations of warranty clauses will automatically void the warranty and cost of service or repairs will be charged to the owner Service outside the warranty period will be charged at the cost of parts labor and return shipping at the time of the repair or service Units sent in for service or repair without prior Return Authorization will be subject to the minimum charge for labor plus cost of return shi
5. and tries RING ON OFF default ON Page 88 of 101 DWG ID 181 0101 00A Date 2003 09 26 When ON three bell characters 07 are sent to the terminal with each CONNECTED TO message when another station initiates the connect RNRTIME n n 0 255 default 0 RNRTIME is set in 10 second increments If a connection stays in a remote device busy state continues to receive RNR frames for RNRTIME the TALON will disconnect Setting RNRTIME to 0 disables this function See also mresp RTEXT text text up to 128 characters default blank This command sets the password string for use when accessing the MYREMOTE When you connect to the TALON MYREMOTE callsign it will send three sets of numbers one of which must be properly decoded matching position number with string character using this string and those decoded characters entered back to the TALON to gain remote command access For instance if the RTEXT is set to This is my RTEXT string and you connect to the MYREMOTE the TALON would send three sets of random numbers The numbers would look like 5 20 147 183 71414819 93812221 You must then pick ONE of these lines and decode the password string i e assign letters to each letter position Let s say you choose to decode line 3 9 3 8 12 22 1 Rewriting the RTEXT string to make this easier we have 11111111112222 12345678901234567890123 This is my RTEXT string Now decoding the st
6. at an amplitude of 1 V pp and a de offset of Vec 2 2 50 V dc The signal is sent through a RC low pass filter R3 and C13 to the input of buffer amplifier AR2D an op amp voltage follower The signal at the output of the buffer amplifier then goes to the top of the DEVIATION setting software controlled potentiometer U2C VBIAS from the modem IC is made available at terminal 21 U3 21 that is equal to Vec 2 2 50 V dc that the modem IC uses internally This dc voltage is buffered by ARIA and then goes to the bottom of DEVIATION setting software controlled potentiometer U2C and to R8 one of two inputs to the inverting summing junction of ARIC The FREQuency OFFSET software controlled potentiometer U2F adds a de offset to the AR1C op amp stage The output of ARIC can be set for the proper signal level to drive the transmitter to the proper deviation The dc offset level of 2 50 V affects the frequency of the transmitted and received signal because this voltage goes directly to the master oscillator on the radio transceiver via terminal 7 of the radio interface connector P1 7 Transmitter RF output power level is set with software controlled potentiometer U2G This de level is buffered with ARID For receiving the RSSI signal from the radio transceiver is first looked at to see if there is a signal of sufficient amplitude The RSSI signal at P1 13 is sent to a times two non inverting op amp amplifier AR2B and then to AR2A that acts as
7. entering Help C will display brief descriptions of all commands beginning with C HELP can also be called by entering HID ON OFF default ON When ON an ID packet will be sent every 9 5 minutes provided that packets are being digipeated through your station This command should be ON if digipeating is enabled If OFF periodic identification packets will not be sent See also digipeat id and myalias ID Immediate Page 74 of 101 DWG ID 181 0101 00A Date 2003 09 26 When this command is entered an identification packet will be transmitted This command may be used to insure that your station identification is the last transmission before taking the station off the air The ID packet is an unnumbered information lt UI gt packet whose data consists of your station identification as set in MYCALL and a listing of other modes if you have activated them The MYCALL will be appended with R if DIGIPEAT is ON MYALIAS callsign appended with D This packet will be addressed to ID and digipeated via any addresses specified in the UNPROTO command See also hid unproto INTFACE TERMINAL KISS HOST LSUB POLL TUP default TERMINAL When set to KISS the serial port communication is in KISS mode a framed data mode similar to SLIP This requires a special program or driver in the computer attached to the serial port of the TALON that communicates in KISS mode See the KISS mode section
8. relay transmitted packets This command is used to set the digipeat and destination Page 97 of 101 DWG ID 181 0101 00A Date 2003 09 26 address fields for packets sent in the unconnected unprotocol mode Unproto packets do not receive an acknowledgment and are not retried They are sent as Unnumbered I frames lt UI gt The digipeater list is also used for BEACON and ID packets If UNPROTO is NONE no unconnected packets will be sent except for BEACON and ID Setting MONITOR ON can monitor unconnected packets sent from other units If you are connected you must also set MCON ON See also beacon id monitor mrpt and xmitok USERS n n 0 MAXUSERS default 1 This command specifies the channels streams which may be available to incoming connect requests For example if USERS 5 then an incoming connect request will connect to the lowest channel A E if any of these channels are in the unconnected state If none of the 5 channels are available all of them are connected a lt DM gt packet will be sent back to the requesting station and the message connect request call will be output to your terminal if permitted If USERS is set to 0 no one will be able to connect to you If you try to set USERS higher than MAXUSERS the extra is ignored and the message USERS LIMITED BY MAXUSERS will be displayed See also intface maxusers and streamsw VERSION Immediate This command causes the TALON to d
9. 0101 00A Date 2003 09 26 This command selects the ASCII character used to allow the passage of any characters in Converse Mode For example if you wish to send a COMMAND character lt Ctrl C gt as part of the packet you can do so by preceding it with the PASS character The command character will be sent rather than returning the TALON to Command Mode In Transparent Mode all characters are passed there are no special functions except the one combination to get out of transparent mode However see TRFLOW PASSALL ON OFF default OFF When PASSALL is ON the TALON will attempt to display received packet data even 1f 1t detects errors in the received data Ifa packet contains beginning and ending flags the TALON will attempt to decode the address field as well as the data field and display the packet as specified by other commands such as MONITOR MHEARD logging is disabled when PASSALL is ON When PASSALL is OFF packets will be displayed only ifthe CRC error checking is correct and as specified by other commands such as MONITOR PERSIST n n 0 255 default 63 This command used with SLOTTIME implements an algorithm for channel access to send packets The algorithm used to determine whether or not to transmit using the PERSIST SLOTTIME method has been shown to be considerably more efficient than the DWAIT method used by most standard AX 25 packet stations The result of using the persistence algorithm is increased through
10. 2 Version 1 vs Version 2 oooooccccnoconoconiconoconononicccaninonoss 30 Convers Mode vs Transparent Mode c ccssccesscessssceeseecsseeeesseceesceeseeeeesaeeesees 30 Exiting FTAs parent Mid cis 30 Flow Control A A aeaetam 31 S ftware A A A aed a a 31 Hardware Flow COMO si A A A A sd 31 Remote ACES o dan 31 PROTOCOL DESCRIPTION Sanidad A A 32 TEM taa 32 HS UM Dd AA AA Ia 32 Host Mode Deseriptl on sioen hei ease aces ea teed ee ane hee a een 33 AA E ae ahaa aeates 33 KISS Mode A A ca 34 KISS Mode Des AA A a 34 Exiting KISS MO cat 34 Transparent Unproto Packet TUP Mode ooooconocccococococonononcconcconnnnconn nono ncnonoccnonos 35 TUP Mode DESC Oli a5 6 tise cos a aaea s i e aaa 35 PULP Mode OPTA A A A al a aaa at 36 POU O A ceuenoanseasaaeae 36 Poll Mode Protocol Description uri ni nn tania A 37 Page 4 of 101 DWG ID 181 0101 00A Date 2003 09 26 9 3 2 9 6 1 9 6 2 9 7 10 1 10 1 1 10 1 2 10 1 3 10 2 10 3 10 4 11 1 11 2 11 3 11 4 11 5 11 6 11 7 12 12 1 12 1 1 12 1 2 12 1 3 12 2 1221 12 2 2 12 2 3 12 3 12 4 12 5 13 14 Poll Mode Opera Sd ta id 37 Line Substitution LINE SUB Mode tud di di td 40 LINE SUB Mode Protocol Description aa it da ad 40 ESUB Mode Opera id gue ias estad 40 Mode Ca pabilities Matrix id ii E AA AAA A te 41 CONFIGURATION aaae el a 41 Automatic Vehicle Location AVL and Asset TrackiO8 ooocociccnincinocinnnnonncnanoos 42 AVL Used Without a Tamil AS A das 42
11. ACK shows that the data packet was not received it will be re transmitted Each time a poll is answered the TRIES count is reset to 0 If the RETRY count is reached version 2 will attempt to re connect unless RELINK is OFF If the re connect attempt is unsuccessful then version 2 will issue a disconnect See also relink retry tries BEACON EVERY AFTER n n 0 255 default Every 0 66 99 The value entered for n is the number of minutes 1 e one minute intervals to use with the beacon command A value of 0 turns the beacon OFF Setting a value greater than 0 activates the beacon under the conditions specified If the optional keyword Every is used a beacon packet will be sent every n minutes If set to After a beacon packet will be sent ONCE after the specified interval with no channel activity The beacon frame consists of the text specified by BTEXT in a packet addressed to BEACON Beacon messages will be digipeated via any addresses specified in the UNPROTO command See also btext BKONDEL ON OFF default ON When ON the sequence backspace space backspace is sent to the attached terminal when a DELETE character is entered When OFF the backslash character V is sent to the terminal when the DELETE character is entered See also delete redisplay BREAK ON OFF default OFF Page 57 of 101 DWG ID 181 0101 00A Date 2003 09 26 If BREAK is ON a modem break from the terminal causes a
12. DS5 A User definable through programming DS6 PWR Power to the unit is on To keep digital noise out of the analog circuitry there are separate 5 V supplies for the analog and digital sections Voltage regulator VR1 supplies power to the radio transceiver the analog circuitry voltage regulator VR2 and the digital circuitry voltage regulator VR3 12 4 GPS Receiver A2A1 The GPS receiver system consists of a GPS receiver circuit card assembly and an external active antenna for reception of GPS signals from the GPS satellites The GPS RCVR CCA has a Trimble Lassen SQ GPS RCVR module that is the heart of the system IC voltage regulator VR1 supplies 3 3 V dc to the Trimble GPS RCVR RE1 and the level translator U1 RE1 in turn supplies de voltage out the RF connector RE1J1 to the externally connected Trimble antenna The GPS signals are brought into the receiver over the transmission line into this same connector The GPS information signals are sent to the microprocessor on the Controller CCA through level translator U1 Battery backup is provided but is not necessarily needed The battery backup reduces the acquisition time if the unit has been off for a period of time The A2A1 CCA may have other functions designed in the future 12 5 Input Output CCA A3 The I O CCA part number 001 0008 01 has eight analog inputs four discreet inputs four analog outputs and four discreet outputs as follow
13. Exiting POLL Mode If you want to exit POLL mode to fine tune parameter settings or for any other reasons the command mode of the modem can be regained as follows If CONMODE CONV Enter OOOOQUIT lt cr gt NOTE MUST BE IN UPPER CASE Page 39 of 101 DWG ID 181 0101 00A Date 2003 09 26 If CONMODE TRANS Use the transparent data escape sequence i e send a series of three control Cs unless a different control character has been defined See TRANS command in the Reference Manual 9 6 Line Substitution LINE SUB Mode 9 6 1 LINE SUB Mode Protocol Description The LSUB mode of operation provides a method of transmitting and receiving raw ASCII data via a radio Data is sent and received in a totally transparent fashion allowing all ASCII characters to be utilized hex 00 through hex FF There is no addressing error detection or automatic retransmission of the data When the receiving modem detects the proper Start of Data sequence generated by the transmitting modem it will output the data that follows to its serial port At the end of the received data there is an End of Data sequence that permits the receiving modem to recognize the end of the data and quit translating Since the protocol constitutes a very small portion of the transmission the effective data throughput is very nearly that of the radio bit rate 9 6 2 LSUB Mode Operation 9 6 2 1 Commands Used PACTIME The PACTIME parameter determines how long th
14. For warranty repairs we will pay the shipping charges to return the item s via air parcel post If you wish return by courier service include your account number To be eligible for repair under warranty we must have a record that you sent your Warranty Registration card and proof of purchase to Kantronics and the item s must still be within the applicable warranty period at the time the return is authorized For non warranty repairs you must pay the return shipping charges in addition to applicable repair charges 4 APPROVALS AND COMPLIANCE 4 1 RF Exposure The FCC with its action in General Docket 79 144 of 1985 03 13 adopted a safety standard for human exposure to radio frequency electromagnetic energy emitted by FCC regulated equipment In accordance with FCC RF exposure requirements the antenna for this device must be installed such that a minimum separation distance of 20 cm 7 874 in is maintained between it and the general population Special care should be taken to ensure compliance with this requirement for antennas mounted on vehicles in which the general public can be exposed to RF energy without their knowledge In these cases the locations on the vehicle shall be carefully chosen such that at no time people can come within the range of 20 cm The above criteria are based on 6 W of power a maximum transmitter duty factor of 10 and a maximum antenna gain of 13 dBi The installer of the system in any situation
15. Frame Reject lt REJr gt Reject r received sequence number lt RNRr gt Device busy r received sequence number lt RRr gt Receive Ready r received sequence number In addition the following bracketed information will be added to the Information packets as appropriate lt Isr gt Information frame connected s send sequence number r received sequence number See also ax2512v2 mcom and monitor For more information see the book AX 25 Amateur Packet Radio Link Layer Protocol Version 2 0 October 1984 which may be obtained from the ARRL MRPT ON OFF default ON This command affects the way monitored packets are displayed If ON the entire digipeat list is displayed for monitored packets and the station that relayed the packet is indicated with an asterisk The MONITOR command must be ON for this command to work and if connected MCON must also be ON If OFF only the originating station and the destination station callsigns are displayed for monitored packets See also monitor Page 81 of 101 DWG ID 181 0101 00A Date 2003 09 26 MSTAMP ON OFF default OFF This command enables time stamping of monitored packets The date and time information is then available for use for automatic logging of packet activity or other computer applications The date and time are set initially by the DAYTIME command and the date format is determined by the DAYSTR command The MONITOR command must be ON for this comma
16. OFF default OFF When OFF and a connection takes place the TALON will change to whatever mode is specified in CONMODE When ON the TALON stays in Command Mode after connecting to another station that is it does not immediately change to Convers or Transparent Mode See also conmode connect PACLEN n n 0 255 default 128 This command specifies the maximum length of the data portion of a packet The TALON will automatically send a packet when the number of input bytes reaches n This value is used in both Convers and Transparent Modes A value of 0 means 256 bytes See also maxframe PACTIME EVERY AFTER n n 0 255 default After 10 This command is used to pace the formation and transmission rate of packets in Transparent mode or in Convers mode if CPACTIME is ON In addition a PACTIME timer is necessary in transparent mode TUP and LSUB modes since the SENDPAC character is ignored and treated as data The timer is not started until at least one byte is entered for a packet hence a zero data length packet is never formed and sent When AFTER is specified bytes are packaged if any available when input from the terminal stops for n 100 ms or when PACLEN is reached When EVERY is specified input bytes are packaged if available and queued for transmission every n 100 ms or when PACLEN is reached See also cpactime trans PASS n n 00 FF default 16 lt Ctrl V gt Page 84 of 101 DWG ID 181
17. POLL Y Y Y TUP Y Y lv Y LSUB Y Note All of these functions are with the modem IC FEC not being used Depends on capability of computer program 1 When in TRANSPARENT mode 10 CONFIGURATION Following are examples of programming the TALON UDC for different types of applications Before programming the unit do the following preliminary setup e Connect the ANT port to a 50 QO RF dummy load of adequate power handling capability a service monitor or power meter or an antenna e Connect the Serial I O port to a PC or terminal with an RS232 straight through cable not a null modem cable The unit is considered DCE e Ifthere is a GPS antenna connector connect a GPS antenna e On the PC or terminal open a communications program such as HyperTerminal found in Windows Set communications for the correct COM port number typically COM1 COM2 COM3 or COM4 baud for minimum of 1200 to maximum of 19200 no parity 8 data bits and 1 stop bit Baud should be set to rate intended to be used in application Apply dc power to the unit Unit will come up in ABAUD autobaud mode Push the asterisk key Unit will request call sign MYCALL Enter your assigned callsign and SSID number from 0 to 8191 e The VDT will display the sign on message Page 41 of 101 DWG ID 181 0101 00A Date 2003 09 26 Note Issue the PERM command to store the changes you have entered You should do this after each entry so that information is not lost if the unit
18. TALON to the computer to restart input from that device If set to 00 hardware flow control must be used For software flow control set this parameter to the character the computer expects to see to restart sending data to the TALON See also xflow xoff Additional commands for TALON with 1 O board ALARM Sets exception conditions which will cause an alarm packet to be sent out Page 99 of 101 DWG ID 181 0101 00A Date 2003 09 26 ALARM ANALOG r1 r2 r3 r4 r5 r6 r7 r8 Where r is OFF or specifies a valid range of values based on the RANGE command For example if RANGE is specified as 0 00 5 00 for one of the analog inputs and ALARM ANALOG is specified as 3 00 4 00 the Talon will send an alarm packet if that input goes below 3 00 or above 4 00 ALARM INPUT i1 i2 i3 i4 Where i is OFF HIGH LOW CHANGE If iis HIGH an alarm packet will be sent if the pin goes high If iis LOW an alarm packet will be sent if the pin goes low If iis CHANGE an alarm packet will be sent if the pin changes ALARM TEMP r Where r is OFF or specifies a valid temperature range An alarm packet will be sent if the temperature goes outside of the range specified The range is based on the Celsius Fahrenheit flag specified in the TEMPERATURE command 65 127 C or 85 206 F ALARM TIME n Where n 1 to 255 s When an alarm exception occurs an alarm packet is sent unless the Talon is already in an alarm condition If a telemetry POLL is not re
19. The FRACK timer begins when the packet has been sent and is suspended when data carrier from the radio is present or when your station is transmitting 8 11 Retries in AX 25 Level 2 Version 1 vs Version 2 The way retries are accomplished depends on AX25L2V2 being OFF or ON If a packet is transmitted to a connected station and an acknowledgement is not received back the entire packet is retransmitted with the same frame number up to the number of tries specified by the RETRIES command until an acknowledgement is received If acknowledgement is still not received a disconnect sequence is started up to the number of RETRIES again If there is still no response from the other station the unacknowledged packet is discarded In level 1 type responses single pairs of angle brackets are used such as lt rr0 gt Under version 2 AX25L2V2 ON when an acknowledgement has not been returned a POLL only is sent not the entire packet up to the number of times specified by RETRIES In level 2 type responses two pairs of angle brackets are use such as lt lt rr0 gt gt 8 12 Convers Mode vs Transparent Mode In the Convers Mode special control characters are still recognized They are used to edit typed data before transmitting it to pass through special characters as data to another station or to cause a packet to be transmitted Transparent Mode was designed for sending files whether ASCII data files or program files Special cha
20. a courier service such as DHL UPS Expedited Federal Express etc be sure to use DOOR TO DOOR service When using one of these services a commercial invoice may be required Please check with the carrier before shipping Include in the description of the items on the paperwork whether postal or courier the words U S GOODS RETURNED FOR REPAIR REPLACEMENT An additional description of Data communications equipment would be helpful It would also be helpful but not required to include the code number 9801 00 1035 which tells U S Customs agents that the package contains U S goods returned without improvement enhancement However if the words U S goods returned for repair replacement are on the paperwork the number is not really necessary Provide a value for customs purposes This is usually the value of the item s in their current condition A 0 value is not acceptable for U S Customs Inside the package with the item s include e A fax number daytime telephone number mailing address and or e mail address if available in case we need to contact you e A correct and full shipping address for return e Method of payment to be used for any charges if VISA MasterCard or Discover include expiration date e A brief description of the problem e A reference to any conversations with the technical sales staff about the problem e Return Authorization number Page 14 of 101 DWG ID 181 0101 00A Date 2003 09 26
21. a full explanation of these parameters 9 4 2 2 Entering TUP Mode Use the INTFACE command to begin TUP operation Set the INTFACE command to TUP cmd INTFACE TUP lt cr gt and turn the unit off and then back on 9 4 2 3 Exiting TUP Mode If you want to exit the TUP mode to fine tune parameter settings or for any other reason the Command mode of the modem can be regained by using the transparent data escape sequence i e by sending a series of three control Cs unless a different control character for COMMAND has been defined See TRANS command in Commands section 9 5 Poll Mode Page 36 of 101 DWG ID 181 0101 00A Date 2003 09 26 9 5 1 Poll Mode Protocol Description The POLL mode is generally used in system applications that implement a polled response protocol between a central site Control Site and one or more remote locations Remote Site The POLL mode is similar to the TUP mode since it uses a data transparent broadcast mode and a packet protocol with CRC 16 error checking to insure the integrity of the received data All ASCII characters hex 00 through FF can be transmitted and received The POLL mode differs from TUP mode by allowing an application program to address specific locations without changing any modem parameters All data sent by the application program at the central sit must begin with the address POLLID of the intended remote modem When any remote modem receives data from the radio the data is
22. also cpactime cr SLOTTIME n n 0 255 default 10 Page 90 of 101 DWG ID 181 0101 00A Date 2003 09 26 n specifies the amount of time in 10 millisecond increments between successive tries of the persistence algorithm See also persist START n n 00 SFF default 11 lt Ctrl Q gt This command specifies the character sent by the computer to the TALON to restart output from the TALON If set to 00 only hardware flow control will be used For software flow control set this parameter to the character the computer will send to restart data flow See also stop xflow xoff xon STATUS LONG immediate Entry of the STATUS command will display the number of bytes available i e free bytes in the RS232 input buffer the current I O stream and connected status Entering STATUS LONG will cause the TALON to display the status of all streams allowed by MAXUSERS and MYREMOTE A pound sign octothorp indicates that there is unacknowledged data in the buffers for that stream The number immediately following the is the number of bytes outstanding The number in parentheses is the number of packets not yet acknowledged The following is an example of a display using STATUS LONG A B C through J i e MAXUSERS 10 indicate the stream A stream is connected to NORTH2 and has 50 bytes in 2 packets that are unacknowledged The current stream IO is the B stream which is connected to SOUTH
23. for more information When set to HOST the serial port communication is in the Kantronics HOST mode This requires a special program or driver in the computer attached to the serial port of the TALON that communicates in HOST mode See the HOST mode section for more information When set to LSUB the TALON is in a transparent data mode Data from the serial port will be transmitted and received data from another unit also in LSUB mode will output from the serial port See LSUB mode in the Operating Modes chapter for more information When set to POLL the TALON can be configured as a master with its POLLID set to 0000 or as a remote with its POLLID set to a 4 digit number other than 0000 See POLL mode in the operating modes chapter for more information When set to TUP the TALON is in a transparent data mode Data from the serial port will be transmitted and received data from another unit also in TUP mode will output from the serial port In this mode other TALON units can be used as digipeaters when their callsigns have been entered in the UNPROTO command See TUP mode in the Operating Modes chapter for more information For instructions on exiting KISS HOST LSUB POLL and TUP modes see the appropriate sections of this manual Page 75 of 101 DWG ID 181 0101 00A Date 2003 09 26 NOTE After changing the setting of this command to KISS HOST LSUB POLL or TUP a soft reset is required for the new mode
24. frame is in the form T nnn an0 an an2 an3 an4 an5 an6 an7 bbbbbbbb where e nnn is a decimal count for the telemetry beacon and is incremented each time the beacon is sent When first used or after the unit is reset the beacon counter begins at 001 T 001 After reaching 999 T 999 the counter cycles around to 000 T 000 e an0 anl an2 an3 etc are the decimal readings on the corresponding analog inputs e bbbbbbbb is the binary reading of the 8 inputs where b 1 means a Logic High on the pin and b 0 means a Logic Low on the pin The first b in the string of 8 binary digits is the most significant bit and the last b is the least significant bit See also analog range TEMPERAT C F Immediate Displays the current internal temperature of the TALON Its default output is in degrees Celsius Enter TEMPERAT F to change the display to degrees Fahrenheit TRACE ON OFF default OFF When ON all received frames are displayed in their entirety in hexadecimal including all header information All packets which are eligible for monitoring also will be displayed in normal text Page 94 of 101 DWG ID 181 0101 00A Date 2003 09 26 TRANS immediate This command causes immediate exit from Command Mode into Transparent Mode The current link state is not affected There are no special editing characters all characters are sent out as received To get o
25. its other functions are available when it is in KISS mode The operating functions that are available depend solely on the computer program used The TALON converts the packets of synchronous data being received from the radio link into packets of asynchronous data to be passed to the computer over the serial port and converts the packets of asynchronous data from the computer into the synchronous format suitable for radio transmission The TALON retains the responsibility of determining proper timing for channel access To place the TALON in KISS Mode at the command prompt cmd type INTFACE KISS and ENTER Then send a RESET command or cycle power off on to the TALON The TALON will remain in KISS interface mode until it receives the KISS exit code or 1t has been hard reset 9 3 2 Exiting KISS mode The TCP IP program should include the command to EXIT KISS mode in the TALON See that programs documentation for the proper command To enter the EXIT KISS command manually from a regular terminal program send a three character sequence which includes a FEND frame end character ASCII code 192 or Hexadecimal 0xC0 FF ASCII code 255 then another FEND character A FEND character can be entered manually by pressing and holding the ALT key entering 192 from the number key pad on the right side of the keyboard and then releasing the ALT key The ASCII code 255 can be entered by pressing and holding the ALT key entering Pag
26. keyboard or in Hyperterm under Windows holding the ALT key and entering 0192 and then releasing the ALT key A small plain text file called EXITHOST TXT containing these characters can be found on the CD accompanying the TALON Again make sure that the terminal program is set to the correct interface baud rate Then send the text file containing the exit sequence characters as an ASCII or PLAIN TEXT file to the TALON The TALON will exit Host Mode will return to TERMINAL interface mode and will display its usual sign on message Page 33 of 101 DWG ID 181 0101 00A Date 2003 09 26 9 3 KISS Mode 9 3 1 KISS Mode Description KISS mode is also a framed data mode similar to HOST However when in KISS mode the TALON becomes just a packet assembler disassembler PAD In the KISS Mode the TALON simply passes all received data to the computer in a KISS frame and the computer program is responsible for all processing of that data including decisions concerning routing Digipeating and other control decisions To transmit data again the program is responsible for processing data to send in a packet and enclosing that data in a KISS frame to be sent to the TALON References for KISS mode are at end of this section A computer program can send any type of data such as TCP IP or any other protocol enclosed in AX 25 packets and sent to the TALON in KISS frames Very few of the TALON s commands and none of
27. of values where appropriate 8BITCONV ON OFF Page 54 of 101 DWG ID 181 0101 00A Date 2003 09 26 default ON This command is used to accommodate terminals that use only 7 bit ASCII characters and will not receive or would be confused by 8 bit characters Also it might be that your computer is capable of handling 8 bit characters but your communications terminal program will reject or be confused or hung by them In these cases you 1l need to set 8BITCONV OFF When ON transmission of 8 bit data is allowed in the packet Convers Mode and Transparent Mode If you wish to obtain 8 bit data transmission but do not want all the features of Transparent Mode set this command to ON If OFF the 8 data bit is stripped set to 0 for transmission and all data received will have the 8th bit set to 0 ABAUD nJ 7 8 L N E O 1 RS232 baud n 0 1200 2400 4800 9600 19200 default 0 The parameter n sets the baud rate used for input and output through the serial RS232 port to the computer If 0 is used the TALON will run an autobaud routine upon power up This routine looks for an asterisk character from the attached computer to set the ABAUD parameter 7 8 selects either 7 or 8 bit data NJEJO selects the PARITY NONE EVEN ODD 1 sets the number of stop bits and is fixed at 1 If you wish to use a different baud rate or to perform autobaud the next time the unit is powered up you must change the ABAUD parameter
28. offset between the GPS satellites and UTC GMT time ESPD displays speed in easterly direction W will be included if movement is in a westerly direction NSPD displays speed in northerly direction S will be included if movement is in a southerly direction USPD displays rate of climb or descent SOG displays the speed over ground in km h TRACK displays the direction of travel in degrees ALT displays altitude in m NUMSAT displays the number of satellites used to derive position information TEMPC displays the temperature in degrees Celsius Page 73 of 101 DWG ID 181 0101 00A Date 2003 09 26 TEMPF displays the temperature in degrees Fahrenheit HEADERLN ON OFF default ON When ON a carriage return is output to the terminal between the header and text of monitored packets This causes the packet header and time stamp if on to be displayed on one line with the packet text displayed below it on the next line When receiving packets addressed only to you MONITOR and or MCON OFF this parameter does not apply When OFF the data will be on the same line as the header See also cstamp mcon monitor and mstamp HELP command Immediate Entering the word HELP alone without any argument will generate a display listing all commands available in the TALON When the name of a command is entered also e g HELP CONVERS a brief description of that command will be displayed A wild card also can be used
29. or any of up to 10 callsigns listed This function would be used in a remote unit so that it would display only packets heard from a base station and not packets heard from other mobile stations 8 6 Digipeating Each TALON can be configured to digitally repeat or digipeat packets that are heard from other TALONS This can help extend the normal transmitting range of other stations to reach a destination station that they can not hear direct This command is called DIGIPEAT and its default setting is ON A base unit TALON can be configured as a dedicated digipeater and installed in a high location to provide an extended coverage area for many other TALONS Mobile TALONS can also be configured digipeaters but may not be as effective as a dedicated unit placed in a high location When the command MRPT is set to ON the display of monitored packets from digipeater stations will include callsigns of the sending station and the intended recipient of the packet and the callsigns of any digipeaters used to relay those packets The command called MY ALIAS defines an alternate callsign or alias name for the digipeater A station that needs to send a packet to another station it can not hear direct would address that packet VIA a digipeater stations callsign or alias Up to 8 digipeaters can be used to relay packets to reach a desired station To connect to another station VIA a digipeater a command would be entered such as CONNE
30. packet on the current stream which failed to reach its destination For instance if RETRY is set to 10 TRIES will show how many attempts have already been made to pass the data For example if TRIES were to show 8 TRIES 3 would reset the counter to make the TALON believe that it had only tried 3 times so far thus allowing 7 more attempts before the RETRY limit is exceeded Page 95 of 101 DWG ID 181 0101 00A Date 2003 09 26 See also retry TUPTIME n n 0 255 100 ms default 1 100 ms Sets the time to live for transmitted packets in TUP mode TXFLOW ON OFF default OFF This command allows the TALON to send software flow control XON and XOFF to stop and restart the flow of data from the computer while in the Transparent Mode When TXFLOW is OFF hardware flow control must be used between the computer and TALON RTS and CTS must be connected between the TALON and computer for hardware flow control When TXFLOW is ON software flow control between the TALON and computer in Transparent Mode will depend on the setting of XFLOW XFLOW ON enables software flow control XFLOW OFF disables it When software flow control is enabled the TALON will send the XON and XOFF characters to the computer to control data flow When set for software flow control all characters can be sent in Transparent Mode including the XON and XOFF characters by setting TXFLOW ON XFLOW ON and TRFLOW OFF You will not however be able
31. return to Command Mode from Converse or Transparent Mode See also COMMAND BTEXT text up to 128 characters default blank BTEXT specifies the content of the data portion of the beacon packet Any combination of characters and spaces may be used with a maximum length of 128 Entering a single will clear BTEXT See also beacon BUDLIST ON OFF NONE call call1 call2 where call callsign lt gt callsign callsign gt lt gt callsign default OFF NONE BUDLIST is used to determine which received packets will be monitored When OFF or NONE BUDLIST will allow monitoring of all packets even if it has callsigns in its list The maximum number of callsigns allowed in BUDLIST is 10 Up to 10 callsigns may be entered at once using the format shown after the command name and the new list of from 1 to 10 callsigns will replace the previous list The BUDLIST command can be used to add a single callsign callsign so long as there is room for the new callsign on the list if there is not the TALON responds with EH and returns you to the command prompt Similarly you can remove a single callsign callsign from the list And to remove all items from the current list enter BUDLIST NONE BUDLIST can be used in TUP mode to filter received packets in remote units so that they only hear a master or digipeater station A callsign entered without a SSID will match any SSID of that callsig
32. the module and the antenna connector This filter is of elliptic design and formed around a buried stripline transmission line and C164 C165 and C166 To isolate the PA module from the receiver an electronic T R switch is used The switch is formed around PIN diodes CR101 and CR104 which are turned on in transmit and are off in receive CR104 switches the PA module into and out of the circuit while CR101 protects and isolates the receiver input when the radio is in transmit 12 2 3 Miscellaneous Functions Two on board regulators are used to provide the 5 V de used by most of the circuitry in the radio IC106 is a low noise low dropout regulator which provides 5 V to all the portions of the radio which do not get switched on or off as the radio changes from transmit to receive This regulator is enabled by the XCVR EN J102 5 input When this regulator is not enabled the radio is essentially powered down IC107 is an identical regulator which supplies voltage to those circuits which are to be powered up only in receive The regulator is enabled through IC105E and F by the RX EN J102 4 input The transmitter PA module driver stages and the T R switch are powered by 7 2 V through Q113 Q113 is enabled by the TX EN J102 3 input through delay and sequencing circuitry formed around IC105 Q115 and Q114 The sequencing circuitry delays PA turn on until the driver stages and T R switches are on and delays driver stage and T R switch shutdo
33. to receive the START and STOP characters since your terminal program should interpret them as flow control See also trans trflow and xflow UIDIGI ON OFF NONE call1 call2 call3 call4 default OFF NONE Up to 4 call signs can be specified for special digipeater duty If any of the UIDIGI calls appears in the to be digipeated field of a UI packet and if MYCALL does not appear in the source field or any of the has been digipeated fields the UIDIGI call in the to be digipeated field will be replaced by MYCALL with the H bit set and the packet will be digipeated See also dwait persist uidwait unproto UIDWAIT ON OFF Page 96 of 101 DWG ID 181 0101 00A Date 2003 09 26 default OFF When UIDWAIT is OFF special digipeat packets those formed by UIDIGI or UIFLOOD only have their usual channel access there is no wait DWAIT or slottime added before transmission once the channel is clear However if UIDWAIT is set ON the packets waiting to be digipeated will be subject to the same wait times as not to be digipeated packets awaiting transmission By subjecting special to be digipeated packets to a delay determined by slottime and persist it is more likely that to be digipeated packets of two or more stations in the same vicinity would not collide This may be good if one wants to guarantee that a digipeated packet will make it out of its neighborhood but bad if one wishes to limit the num
34. to take effect see RESET for details K Immediate This single letter command is synonymous with CONVERS It is included as a single keystroke convenience for entering Convers Mode See also convers LFADD ON OFF default OFF When ON a line feed will be appended to every carriage return received from the keyboard before being transmitted When OFF no line feeds will be added to the transmitted signal LFSUP ON OFF default OFF When ON this command suppresses any line feed characters received from the other station relying on your terminal program to properly advance to the next line When OFF the line feeds received from the other station are not suppressed but are sent to your terminal as received See also autolf crsup LLIST ON OFF NONE callsign callsign1 callsign2 default OFF LLIST is used to determine which stations callsigns may NOT use your station for ANY purpose including digipeating When LLIST is ON the TALON will NOT recognize those packets received with any callsign that appears in the LLIST s lid list of callsigns In addition when LLIST is ON you will not be able to connect to any station that is on that list Page 76 of 101 DWG ID 181 0101 00A Date 2003 09 26 The maximum number of callsigns allowed in LLIST is 10 Up to 10 callsigns may be entered at once using the format shown after the command name and the new list of from to 10 callsigns will replace whate
35. type for attachment of your transmission line that connects to your antenna The antenna radiating element shall not be connected to the radio modem directly as the RF field could induce EMI in the unit Space antenna away from unit at least 0 6 m 2 feet Refer to 4 1 RF Exposure for FCC RF human exposure requirements 11 5 Mounting of Unit Method of mounting is left to the customer For best heat dissipation the finned heat sink on rear of unit should be vertical for natural airflow Do not exceed the maximum operating temperature An optional mounting kit is available Please call Kantronics 11 6 Input Output Page 44 of 101 DWG ID 181 0101 00A Date 2003 09 26 The Input Output connector A3J1 at the top left of the front panel for units with an I O CCA is for analog and discreet inputs and outputs See 7 for pinout and connection details 11 7 Input Output Serial I O A 2 serial VO connector A3J2 at the top right of the front panel for units with an I O CCA is for RS232 communications normally with a PC Be sure to use a shielded cable that is properly terminated See note in 4 4 FCC Notice concerning shielded cables The radio modem is considered a DCE unit Use a straight through RS232 cable and not a null modem cable 12 THEORY OF OPERATION The TALON UDC units are radio modems utilizing four level frequency shift keying 4 LFSK modulation The assemblies and subassemblies of the unit consist of
36. yg State Zip Postal Code Country Contact Person s Name Telephone Nr E mail Product TALON UDC series TALON UDC UHF or TALON UDC VHF Part Number 001 0009 01 LJ 001 0009 11 LJ 001 0009 02 L 001 0009 12 L 001 0009 03 L 001 0009 13 Ei 001 0009 04 001 0009 14 Serial Nr Date of Purchase Dealer Page 7 of 101 DWG ID 181 0101 00A Date 2003 09 26 3 6 Important Information READ THIS SECTION BEFORE INSTALLING THIS KANTRONICS PRODUCT This product contains SOFTWARE in FLASH Memory which is protected by both United States copyright law and international treaty provisions If you install or use this product you are bound by the terms of the SOFTWARE license shown below If you do not wish to be bound by such license return the unused complete product package to your supplier for refund The supplier may deduct restocking re packaging costs 3 7 License Agreement 3 7 1 License In consideration of payment of the License Fee which is included in the price of the product the Licensor Kantronics Company Inc Kantronics grants you a non exclusive right to use the SOFTWARE and associated documentation No ownership rights to the SOFTWARE or its Documentation are transferred from Kantronics to you 3 72 Term This License Agreement is effective until terminated You may terminate this Agreement by returning or destroying the unit and destroying the documentat
37. 17 DI3 14 DGND 18 DI4 13 DGND 17 DOI 22 GND 24 DO2 21 GND 23 DO3 20 GND 24 DO4 19 GND 23 AOI 25 GND 29 AO2 26 GND 30 AO3 27 GND 29 AO4 28 GND 30 7 6 Serial I O Connector A3J2 D sub 9 female Mate with D sub 9 male Terminal Nr Description DCD RXD TXD DTR Digital GND DSR RTS CTS RI Hua N o0 ZI D Ma EAj Go bho 8 PACKET RADIO 8 1 Packet Radio Description AX 25 was developed many years ago as a way of transferring data from one place to another through standard types of two way radio equipment It is a modification of the X 25 networking protocol for wired networks 8 2 Connected vs Unproto There are two ways to send data in the AX 25 packet protocol connected or unproto unconnected In the CONNECTED mode a connection or link is established between two packet controllers over a radio channel Packets are sent from one controller to another and acknowledgments are expected in return that the packets were received correctly If an Page 23 of 101 DWG ID 181 0101 00A Date 2003 09 26 acknowledgment is not received the data will be re sent depending on the setting of the AX25L2V2 command it may send a poll first The RETRY parameter will determine how many times this is done before the connection is aborted due to bad conditions When acknowledgment is received more data can then be sent Therefore the CONNECTED mode barring impossible condit
38. ALON or typing the REDISPLAY line character will also cause output to resume FLOW will keep the display of received data from interfering with data entry When FLOW is OFF received data will be interleaved with keyboard entry If using a split screen terminal program you should have FLOW OFF and ECHO OFF to allow received data to be displayed while you type into the TALON s type ahead buffer See also canline canpac cpactime echo paclen redisplay and sendpac FRACK n n 1 15 default 4 Each increment specifies an interval of 1 s After transmitting a packet requiring acknowledgment the TALON waits FRACK seconds before incrementing the retry counter and sending the packet again If the retry count specified by the RETRY command is exceeded the current operation is aborted If the packet address includes digipeaters the time between retries is adjusted to FRACK 2 m 1 where m is the number of digipeater stations specified When the retried packet is sent a random wait time is also added to avoid lockups where two units repeatedly collide with each other The FRACK timer begins when PTT is released the packet has been sent and is suspended when data carrier from the radio is present or when your station is transmitting See also connect resptime retry GBEACON EVERY AFTER hh mm ss START hh mm ss s OR m CLEAR default EVERY 00 00 00 This command used with GPS sets the interval be
39. ALON will not echo an X OFF or X ON character to the terminal when it receives a STOP or START character Echo is disabled in Transparent Mode See also bkondel flow ESCAPE ON OFF default OFF This command specifies the character which will be sent to the terminal when an escape character 1B is received in a packet When OFF 1B is sent This is useful if your terminal interprets ESC characters as screen positioning commands ANSI When ON the escape character is sent as a dollar sign FILTER ON OFF default OFF When ON this command will inhibit the printing of control characters hex 00 1F which may be present in monitored packets This will be useful if you are monitoring channel traffic which includes binary file transfers or higher level protocols Control characters which may be embedded in those packets can have strange and unpredictable effects on the monitoring TALON All control characters except carriage return 0D and line feed 0A will be filtered This command DOES NOT affect receipt of control characters in packets received from a connected station when MONITOR or MCON is OFF See also monitor Page 70 of 101 DWG ID 181 0101 00A Date 2003 09 26 FLOW ON OFF default ON When FLOW is ON any character entered from the terminal will halt output to the terminal until the current packet or command is completed by SENDPAC PACLEN or PACTIME Canceling the current input to the T
40. AVL Used With a Terminal For Text alta a dd ida 42 AVE RECI AS a dad ada 42 Bas Station Operation a A A E AAA A 42 Data Telemetry SCA DATE Leia aia 43 A A TN 43 INSTALLATION doi adi 43 IDC ROWers cite cei da O 43 GPS ADO ado 44 SCP tel AA A AA 44 AMA A AA A SA eet 44 MOI Noia 44 A SACO 44 Inp t OQutp t Serial LEE it AAA 45 THEORY OF OPERA TION 0 iii 45 Ritron s VHF Radio XCVR AIAL woe cccccccesscescessssssseeseeecessseeseeseneeeees 45 RECEIVE Pse nean A A AA das 45 Gree ESV rn A crane MORI te Mier renee eh et SMC TEE erty 47 Miscellaneous PUCHA oe asc od wes snare A Mea aa Seeds AT A 48 Ritron s UHF Radio XCVR AIAL woe cccccccececescescssssseescescesssseeseeseseeeees 48 Recorra a A tac atin as A A eee 48 IRISO TTNA AAEE EE O RI A 50 Miscellaneous PURA A a AA 51 Controller CCAA DA a oe 51 GPS Receiver ADAM A ches ite tee telly 53 Input Output GCA AS A nr MORO one mnt is 53 TALON COMMAND SET ii 54 SYSTEM FAULT INDICATION io 101 Page 5 of 101 DWG ID 181 0101 00A Date 2003 09 26 3 GENERAL INFORMATION 3 1 Sales Inquiries Phone 785 842 7745 8 AM to 5 PM Central Time Monday through Friday Fax 785 842 2031 E mail sales kantronics com Web site http www kantronics com 3 2 Technical Support Phone 785 842 4476 8 AM to 12 noon and 1 PM to 5 PM Central Time Monday through Friday Fax 785 842 2031 E mail service kantronics com 3 3 Miscellaneous The Kantronics TALON UDC universal data control
41. Al Radio transceiver XCVR assembly A1A1 CCA with connector and cable A1A1 Radio XCVR circuit card assembly CCA UHF or VHF frequencies A2 Controller CCA A2A1 Global Positioning System GPS receiver RCVR CCA or other function A3 I O CCA having sensor inputs and control outputs The basic unit consists of Al and A2 assemblies with the A2A1 GPS RCVR added as an option Other configurations consist of the basic unit of Al and A2 along with an A3 I O CCA with the A2A1 GPS RCVR added as an option or having some other function 12 1 Ritron s VHF Radio XCVR A1A1 12 1 1 Receiver 12 1 1 1 RF Amplifier and Band pass Filters The incoming RF signal from the input connector J101 passes backwards through the transmitter low pass filter and the electronic T R switch to a three pole band pass filter formed around L102 L103 and L104 This filter is of Cohn type with 1 5 dB insertion loss and a bandwidth of 30 MHz This filter is followed by a low noise amplifier stage formed around Q101 This amplifier has a gain of about 17 dB with a noise figure of 2 dB and serves to amplify the incoming RF signal above the noise of the following stages Following this stage is a three pole Cohn filter formed around L107 through L109 The characteristics of this filter are identical to that of the first The two filter sections are Page 45 of 101 DWG ID 181 0101 00A Date 2003 09 26 narrow enough to filter out the spurious responses of the first freque
42. C Identifier B2FTALON V FCC Rule Part 90 Canada IC Identifier 4623 A TALONU Frequency Range 148 174 MHz Number of channels 2 1 RX and 1 TX Transmit Receive Spacing maximum 26 MHz Mode of Operation Simplex or Half Duplex Frequency Control PLL Synthesizer Frequency Step Size 2 5 kHz Emissions Bandwidth Carson s rule 9 4 kHz Frequency Stability 30 to 60 C 1 5 PPM Supply Voltage 8 5 to 15 V de Supply Current RX maximum 100 mA TX maximum 2 5 A RF I O Connector N Power Connector COMBICON 2 pin Programming Data Interface 9 terminal D subminiature female Operating Temperature 30 to 60 C Humidity maximum 95 non condensing Dimensions w o Protrusions 2 4 HX 6 5 WX 4 95 D Mass Weight 1 5 Ibs 0 68 kg 6 2 2 Transmitter Operating Bandwidth 26 MHz RF Output Power S W adjustable lt 1 Wupto6 W Duty Cycle 50 TX maximum 30 s 6 W Page 19 of 101 DWG ID 181 0101 00A Date 2003 09 26 RF Zioad 500 Attack time maximum 15 ms Spurious and Harmonics maximum 20 dBm Group Delay Variation w in Frequency 5 us Response maximum 6 2 3 Receiver Operating Bandwidth 26 MHz Sensitivity for 1 x 10 BER 115 dBm RF Zin 500 Adjacent Channel Selectivity minimum 60 dB Spurious and Image Rejection minimum 70 dB Intermodulation Rejection minimum 70 dB Co
43. CLUSIVE REMEDY Page 9 of 101 DWG ID 181 0101 00A Date 2003 09 26 Repair or replacement of the Applicable Product as provided herein is the sole remedy available to you against Kantronics and in no event will Kantronics be responsible for any other liability or damages or for incidental special or consequential damages regardless of whether purported liability is predicated upon negligence strict tort contract or other products liability theory and whether or not Kantronics is warned about the possibility of such liability or damages SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES SO THE ABOVE LIMITATION OR EXCLUSION MAY NOT APPLY TO YOU 3 8 4 DISCLAIMER This Limited Warranty is in lieu of all other warranties expressed or implied and no representative or person is authorized to assume for Kantronics any other liability in connection with the sale of its products KANTRONICS SPECIFICALLY DISCLAIMS THE IMPLIED WARRANTY OF MERCHANTABILITY AND IMPLIED WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE FOR ANY APPLICABLE PRODUCT IF HOWEVER YOU ARE A CONSUMER WITHIN THE MEANING OF 15 U S C 2301 3 THE ABOVE DISCLAIMER OF IMPLIED WARRANTIES IS EFFECTIVE ONLY FOR PERIODS OUTSIDE THE APPLICABLE WARRANTY PERIOD SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY LASTS SO THE ABOVE LIMITATION MAY NOT APPLY TO YOU 3 8 5 APPLICABLE PRODUCTS AND PERIODS Kantronics products
44. CT REMOTEZ2 VIA DIGI3 or if several digipeaters are required CONNECT REMOTE VIA DIGI3 DIGI4 DIGIS When Digipeating a packet is transmitted by the originating station is re transmitted by all relay stations specified to reach the destination station That station would then Page 26 of 101 DWG ID 181 0101 00A Date 2003 09 26 respond that it received the packet by returning an acknowledgement packet by the same path to the original station This is often called end to end acknowledgment To send unconnected type packets like broadcast messages or BEACONS VIA a digipeater the UNPROTO command is used to set the path UNPROTO ALL VIA DIGI3 An advanced type of digipeater function for UI unconnected information is also available configured by its own set of commands It is described in another section called Advanced Digipeating 8 7 Advanced Digipeating When establishing a large coverage area one or more sometimes many digipeater stations may be required Using the same digipeater alias in more than one digipeater is allowed and can simplify system programming The TALON includes UI Digipeating commands that can be used to deal with inefficiencies that can arise when a number of digipeaters using the same generic names are located in the same area and can transmit at the same time These special digipeater functions work only with UI unconnected information type packets The command UIDIGI may be used to s
45. Date 2003 09 26 10 3 Data Telemetry SCADA Text For sending and receiving information data text over the Serial I O RS232 port see the Modes section For SCADA probably just need transparent data which several of the available modes can do LSUB point to point no addressing broadcast no acknowledgment of data TUP broadcast data Packet headers and can be digipeated Terminal Mode can have connected transparent link 10 4 Digipeating If your system needs a repeater function see the Modes section and the DIGIPEAT command 11 INSTALLATION Refer all installation to qualified personnel 11 1 De Power Make a power cable assembly using the supplied two terminal connector P1 some wire of sufficient size and length and mating connection to your de power source It is recommended that a fuse with a rating of 3 A be used at the dc power source end of the power cable assembly A two terminal jack A2J6 is located on the front panel for dc power input The unit is protected from reverse voltage application with a diode A2D 1 and from over current with an automatic resetting solid state current limiting device A2RT1 Equipment power must be supplied by a well regulated de power supply capable of the required voltage and current For vehicle applications an external filter to reduce ignition noise transients and a method to absorb load dump conditions is recommended After market dc noise filters are available from autom
46. Hz 4800 9600 BPS Note Radio transceivers with 6 W output are available on other frequency ranges of 136 to 162 MHz VHF and 400 to 420 MHz UHF in narrow band 12 5 kHz Other options are wide band 25 kHz in the VHF frequency ranges of 136 to 162 MHz and 148 to 174 MHz and UHF in the frequency ranges of 400 to 420 MHz and 450 to 470 MHz 5 2 FCC Regulations 5 2 1 Licensing The FCC requires the radio owner to obtain a station license for the radio before using the equipment to transmit but does not require an operating license or permit The station licensee is responsible for proper operation and maintenance of his radio equipment and for ensuring transmitter power frequency and deviation are within limits specified by the station license This includes checking transmitter frequency and deviation periodically using appropriate methods 5 2 2 Type Acceptance Page 17 of 101 DWG ID 181 0101 00A Date 2003 09 26 When aligned in accordance with the procedures provided for proper bandwidth the TALON UDC series is type accepted for transmission of data and text 6 SPECIFICATION OF PRODUCT 6 1 TALON UDC UHF 6 1 1 General FCC Identifier B2FTALON U FCC Rule Part 90 Canada IC Identifier 4623A TALONU Frequency Range 450 470 MHz Number of channels 1RX and 1 TX Transmit Receive Spacing maximum 20 MHz Mode of Operation Simplex or Half Duplex Frequ
47. If you change the baud rate in your computer or terminal you should change the baud rate in the TALON first then issue the RESET command then set the new baud rate on your computer Otherwise a hard reset will be required to erase the ABAUD setting and reinitialize the TALON to perform the autobaud routine See Hard Reset section Note also that a hard reset will erase ALL stored parameters and return them to factory defaults See also reset restore ANALOG immediate Entering the ANALOG command returns a string of 8 values based on the current voltage readings from 8 A to D lines Page 55 of 101 DWG ID 181 0101 00A Date 2003 09 26 At any given time each of the 8 A to D lines will have a voltage value somewhere in the range of 0 5 V dc Instead of reporting voltages the ANALOG command returns a decimal number in the range of 0 255 or a decimal number in the range specified by the RANGE command for each analog input Each decimal value corresponds to a voltage input The response is in the following form ANO AN1 AN2 AN3 AN4 AN5 AN6 AN7 Data can be manually gathered from a remote site by connecting to MYREMOTE in that remote unit gaining access through the password query and then issuing the ANALOG command The TELEMETRY command specifies a regular interval at which to transmit samples of the ANALOG inputs See also range telemtry myremote rtext AUTOLF ON OFF default ON When ON a line feed is sent to t
48. KANTRONICS TALON UDC SERIES RADIO MODEM USER MANUAL Kantronics Co Inc 3115 W 6th Street Suite A Lawrence Kansas 66049 Phone 785 842 7745 Fax 785 842 203 1 Web http www kantronics com DWG ID 181 0101 00A Date 2003 09 26 1 REVISIONS Revision Date Description 2003 09 26 Initial release A 2004 01 27 Added information on Input Output CCA B 2006 02 16 Added additional commands Page 2 of 101 DWG ID 181 0101 00A Date 2006 02 16 2 TABLE OF CONTENTS REVISION SS ii 2 TABLE DECONTEN DS 50 acia 3 GENERAL INFORMA LION cua inicie 6 Sales MU a 6 Techical Supports A AA E aae 6 A A O 6 Disclaimer NOE ana 6 Kantronics Warranty Registration cicitinoccnonecanadad do sadeanteccncsaneeatede as decian diaria 6 noportada A A AA db 8 Eicense A ai 8 LIE ana 8 O a 8 Object Code da aoa eta Ap eeu aaa atau 8 Limited WA ai 8 O 8 A E O 9 Tite Wat A AS 9 WARRAN Da 9 REMEDY a daa 9 EXCLUSIVE REMEDY a 9 DISCLAIMER aid uke ease a aa E E sei ak ates 10 APPLICABLE PRODUCTS AND PERIODS 1 00 ccceecesesseeseeseeeeeeeceseenecnseneeeate 10 EXCLUSI N S casi 10 REMEDY PROCEDURE ar Aca 11 NON ASSIGNMEN Poriin e eas anena a a ao Wanita E E em ables 11 OTHER RIGHTS an A eto acid 11 Return Re pair POCOS A SAA a a aaa 11 Check List for Possible Pro ii tas 12 sI 12 Service department contact information ooooonocononoccconncoonnnnonnnononononnnonnnnnonnnconncn o 12 Repat Setyice ic AA A die
49. a that is received by the modem via the radio is output to the serial port only if it contains no detectable errors The received data will be exactly the same as the data that was sent to the input serial port of the transmitting mode without any address headers or added formatting of the data The modem is capable of selectively filtering monitored data from or to different modem addresses using the BUDLIST command If digipeaters must be used to extend the range of the system the information frame sent by any modems in the system will be output to the serial ports of the receiving modems only once regardless of how many times it was received correctly Also data sent by any modem will not be decoded by itself when the data is digipeated The TUP mode protocol provides an automatic Time to Live timer that inhibits any modem from transmitting or receiving additional data until sufficient time has expired to allow in progress data to travel through all the digipeaters specified in the UNPROTO field of the originating modem Since the time for a given packet to travel the entire UNPROTO path may vary due to the presence of other signals or noise TUPTIME is used to impose an additional delay time if needed during which each modem will be inhibited from decoding or transmitting new data This setting can be determined experimentally It is important to note that TUPTIME applies only to the receiving modems and should be set to the same value at all s
50. a voltage comparator The RSSI ADJUST software controlled potentiometer U2E is adjusted twice Adjustment is done one time for a turn on level and a second time for a turn off level This adds hysteresis so that a good signal of specified level being received will not drop out if for some reason the signal level drops a number of dB Also the RSSI signal is looked at before transmitting to determine if there is a signal on the air or not The DISC_OUT discriminator output signal at P1 14 is sent to RX GAIN software controlled potentiometer U2D for adjustment of the amplitude This demodulated four level signal goes to op amp AR2C where a dc offset voltage from the RX ADJ 2 5 V software controlled potentiometer U2B is added The discriminator output signal rides on a dc offset voltage from the radio transceiver Adjustment of the RX GAIN Page 52 of 101 DWG ID 181 0101 00A Date 2003 09 26 potentiometer also varies this dc offset level Thus there is an interaction of the dc levels when adjusting the RX GAIN and RX ADJ 2 5 V The received signal and de offset at the modem IC RXFB terminal U3 23 is adjusted for a 1 V pp signal and a dc offset to match the VBIAS dc level at U3 21 Internal temperature is monitored by U4 There are six LEDs for indications of operation DS1 TX Unit is transmitting DS2 RX There is a carrier on frequency DS3 A User definable through programming DS4 A User definable through programming
51. allsign callsign so long as there is room for the new callsign on the list if there is not the TALON responds with EH and returns you to the command prompt Similarly you can remove a single callsign callsign from the list And to remove all items from the current list enter SUPLIST NONE A callsign entered without a SSID will match any SSID of that callsign To match a specific SSID only enter the callsign with that SSID for example callsign n where n 0 8191 Selective display is enabled when one or two callsigns are combined with a gt and or lt character For example entering gt callsign will disable display of packets TO that callsign assuming SUPLIST is ON entering lt callsign will disable display of packets from the callsign entering callsign1 gt callsign2 will block display of packets from callsign to callsign2 and entering callsign1 lt gt callsign2 will block display of packets from callsign to callsign2 and vice versa Note that entering call gt call or call lt gt call counts as two of the 10 maximum allowed callsigns Page 93 of 101 DWG ID 181 0101 00A Date 2003 09 26 See also monitor TELEMTRY n n 0 255 default 0 A telemetry beacon is sent every n 10 s If n 0 the beacon is disabled The telemetry beacon is a UI frame sent to BEACON If there is a current UNPROTO digipeat path it will be used to transmit the telemetry beacon The data in the UI
52. allsigns contained in the received packet including the digipeater paths are displayed For example NORTH gt ID 01 21 2003 14 31 30 VIA DIGI1 SOUTH Here your station heard NORTH2 transmitting an ID packet NORTH was also using the digipeating path DIGI SOUTH If your station heard NORTH via one of these other Page 79 of 101 DWG ID 181 0101 00A Date 2003 09 26 stations an asterisk would show by the call or alias of the last digipeater heard When listed short the asterisk would show beside NORTH2 Whenever PASSALL is ON packets will not be checked for errors and no additions will be made to the MHEARD list If the C option is used the list is cleared See also daytime passall MHEADER ON OFF default ON When ON the headers are displayed for all monitored packets When OFF headers are not displayed and only data is output from the serial port Since only I and UI frames have data only these frames are displayed To avoid confusion when MHEADER is OFF use BUDLIST to restrict the monitored data See also monitor mcon mbeacon mall suplist budlist MONITOR ON OFF default ON When ON unconnected packets will be monitored unless prohibited by SUPLIST BUDLIST CONLIST or LLIST This will also allow monitoring of other packets if permitted by the other monitor commands The MONITOR command acts as a master switch for the MALL MCOM MCON MRESP and MRPT commands The addresses in the packet are disp
53. are of two types 1 hardware units and 2 firmware and software for operation of these units whether incorporated into the units themselves or separate from the units as adjuncts or accessories to the units Hardware units and the media containing firmware software and documentation are sold to the consumer purchaser and become property of the purchaser Firmware and software are licensed for use by the consumer purchaser in return for a fee included in the purchase price of the units and do not become the property of the consumer The product to which this warranty applies herein Applicable Products and the period during which the warranty shall apply herein Applicable Warranty Period are as follows Applicable Products TALON UDC series Applicable Warranty Period Two 2 years from date of purchase 3 8 6 EXCLUSIONS This Limited Warranty does not apply to the cosmetic appearance of the Applicable Product to broken or cracked cabinets to any accessory not supplied by Kantronics which is used with the Applicable Product to any product that has been subject to misuse abuse or over voltage to any product that has been modified by non Kantronics personnel unless specifically authorized in writing by Kantronics or to any product Page 10 of 101 DWG ID 181 0101 00A Date 2003 09 26 damaged or impaired by shipping whether or not caused by poor packaging neglect accident wiring not installed by Kantronics improper paramete
54. ase m d y h and s characters will be replaced by actual values Some examples of setting the DAYSTR command and the resulting time date display are DAYSTR setting Displayed Date Time mm dd yy hh mm ss 07 30 03 22 30 00 d m yy h mm ss 30 7 03 22 30 00 d mm yyyy h mm 30 07 2003 22 30 mmm d yyyy h mm CST JUL 30 2003 22 30 CST TIME hh mm DATE mmm dd yyyy TIME 22 30 DATE JUL 30 2003 This command is used to define how date and time are to be displayed it is not used to enter an actual date and time which you do by using DAYTIME If you enter an actual date and time with the DAYSTR command the exact characters you entered will be displayed in all timestamps and in response to the DAYTIME command and your clock will appear to stop See also daytime Page 66 of 101 DWG ID 181 0101 00A Date 2003 09 26 DAYTIME yymmddhhmm ss UTC time DAYTIME is used to manually enter a date and time after which time and date are formatted for display by the specifications given in DAYSTR When date and time are entered using the input format specified in the command and explained below the values entered are used to set the software clock calendar The software clock calendar is then used for MHEARD logging as well as for CSTAMP and MSTAMP functions When entering the daytime digits enter them in pure number sequence with no spaces dashes or slashes Notice that there are two digits each for entering a year month day hour minu
55. atched to the first IF filter YF101 by L107 L108 C128 and C137 An IF amplifier based around Q102 is used to provide gain Its output drives another IF filter section YF102 which is identical to YF101 These two filters serve the double function of filtering out the spurious responses of the second frequency converter and with the second IF filter of removing signals at the adjacent and further removed channels 12 2 1 3 2 IF IC The output of YF102 drives the frequency converter internal to IC102 IC102 is a FM IF IC which contains a frequency converter high gain limiting IF amplifier FM discriminator detector and other support circuitry The frequency converter in IC102 converts the RF signal at the first IF to the second IF of 450 kHz The output of the frequency converter exits the IC and is filtered by the second IF filter YF103 The output of the filter reenters the IC and drives the high gain limiting amplifier Because the discriminator inside IC102 is sensitive to amplitude and frequency modulation components a limiter must precede it to remove any amplitude modulation In addition the noise based carrier detection system available with this product requires that the RF signal at the discriminator stay constant in amplitude as the RF input signal level varies The output of the limiter amplifier drives the discriminator The resonator for the discriminator is YF104 12 2 1 4 Receiver Audio and Carrier Detection The recovere
56. ater priority for call signs is as follows MYCALL MYNODE MYALIAS UIDIGI UIFLOOD e g if the same call sign has been assigned to MYALIAS and UIDIGI a to be digipeated frame with that call sign will be digipeated according to the rules that apply to MY ALIAS For more information on the Global Positioning System we recommend the following resources Collins J et al GPS Theory and Practice Second Edition Springer Verlag 1993 Etherington Michael FM subcarrier network extends differential GPS nationwide Mobile Radio Technology February 1994 Kaplan Elliot The global positioning system GPS Communications Quarterly Summer 1994 Langley R The mathematics of GPS GPS World Magazine July August 1991 NMEA 0183 ASCII Interface Standard NMEA 0183 version 2 0 NMEA P O Box 50040 Mobile AL 36605 8 8 Multi Connects The TALON allows packet connect links or streams to as many as 26 other stations at the same time The command MAXUSERS determines how many streams may be used at one time and the command USERS determines how many connect links from other stations will be accepted Each incoming connect is assigned to the next available stream If the number of streams allowed by USERS is full a busy message will be returned to the next station attempting to connect instead of a connect acknowledgement By setting the USERS command to a lower number than MAXUSERS the number of streams between th
57. ber of times a packet is redigipeated See also dwait persist uidwait UIFLOOD name n ID NOID name 5 char max n 0 255 default disabled 30 NOID When a UI frame is received with a call in the to be digipeated field of the form name x y where x is a number 1 7 appended to name and y is a ssid 1 7 the ssid is decrement and the UI frame is digipeated without setting the H bit When the packet is digipeated a checksum is formed over the source destination and data fields of the packet This checksum is kept for n seconds 0 255 If an incoming UI packet is eligible for digipeating as above but its checksum matches one of those being saved the packet is discarded not digipeated The buffer holds a maximum of 64 checksums If the optional parameter ID is selected the MYCALL callsign is inserted in an additional digipeater address field with its H bit set See also uidwait UNPROTO call VIA call1 call2 call8 NONE default CQ call destination address this is really just a dummy address as no connection takes place people often put their name or CQ here calll call8 optional stations to be digipeated through A maximum of 8 digipeat addresses callsigns or aliases can be specified This is referred to as a path Each callsign may also have an optional Secondary Station Identifier SSID specified as n where n 1 15 The digipeat callsigns are specified in the order in which they are to
58. ceived within n seconds another alarm packet is sent This will continue until a telemetry POLL is received at which time the alarm condition is cleared The alarm packet is sent to the address specified in the UNPROTO command ALARM VOLTAGE r Where r is OFF or specifies a valid input voltage range An alarm packet will be sent if the input voltage goes outside of the range specified 0 00 16 57 DACS n1 n2 n3 n4 Where n is in the range 0 1023 This command sets the output voltage of the 4 DACs on the I O CCA IO d1 d2 d3 d4 Where dis OFF NO ON YES This command sets or clears the 4 digital outputs on the I O CCA The command also displays the 4 digital inputs POLL call VIA calls n1 n2 n3 n4 d1 d2 d3 d4 call VIA calls is the address of the remote Talon n 0 1023 is the value which will be used to set the DACs on the remote Talon Page 100 of 101 DWG ID 181 0101 00A Date 2003 09 26 13 1 ADDITIONAL COMMAND QUIET ON OFF default OFF When set to ON messages are supressed PMODE CMD CONVERS TRANS default CMD Sets the communication mode when the TALON is powered on CHANNEL n When multiple channels have been configured in SERVICE MODE the number of an available channel is selected 1 or up to 8 channels can be configured When entering the CHANNEL command alone the current channel and frequency are displayed When entering the CHANNEL command with a number that channel and frequ
59. checked for errors and the received POLLID is compared with its own POLLID If they match the POLLID is stripped and the data that follows is sent to the serial port All data received by the central site from the remote location will arrive with the POLLID of the remote site automatically attached to the beginning of the data It is the responsibility of the application program to 1 address data to be sent to the remote sites 2 determine if the data was received and 3 recognize responses that contain the remote site s POLLID and data Digipeating is not allowed 9 5 2 Poll Mode Operation 9 5 2 1 Commands Used Each modem is set up differently depending upon whether it is to be a Control modem or a Remote modem 9 5 2 1 1 Control Site Control Site Configuration The POLLID command in the Control modem must be set to 0000 and the INTFACE command must be set to POLL See Entering POLL Mode below Control Site Transmit Format All data sent to the Control modem via the RS 232 serial port must begin with a POLLID four digit remote address between 0001 9999 and be followed immediately by the poll data The data sent by the application to the Control modem must contain less than PACLEN bytes If the poll data contains more characters than allowed by the setting of the PACLEN command the data will be fragmented and multiple packets will be formed and transmitted by the modem These additional packets will contain only the balance of
60. commands Two commands determine when entered data will be packetized and transmitted The command SENDPAC defines the key or character that causes a packet to be transmitted Page 24 of 101 DWG ID 181 0101 00A Date 2003 09 26 Its default setting is the ENTER or RETURN key Whenever that key is pressed a new packet will be transmitted A second command called PACLEN determines the maximum number of characters to include in a transmitted packet When the number of typed characters is equal to the number defined by PACLEN a packet will be made and transmitted even if the ENTER key has not yet been pressed When the conversation with the other station has ended the packet link to the station can be disconnected To disconnect return to Command mode with lt Ctrl C gt and type a D for Disconnect Press the return or enter key after any command to the TNC A Disconnect request packet will be sent to the other station and when an acknowledgement has been received back the message DISCONNECTED will be displayed and the TALON will return to Command mode Either station can issue the disconnect command no matter which station originated the connect While connected to another station the display of monitored packets will stop To continue the display of monitored packets while connected to other stations set the command MCON to ON 8 4 Monitoring One of the main functions of a Base station TALON would be to d
61. controlled by an external signal The synthesizer almost wholly contained within IC109 divides the VCO frequency by digital dividers and compares the result with an accurate reference An error signal proportional to the frequency error is created which is routed to the frequency control input of the VCO This action locks the VCO to a frequency which is equal to the reference frequency multiplied by the divider number To set the VCO frequency different divider numbers can be programmed into the synthesizer In most synthesizer designs the divider must be an integer which forces the reference frequency to be equal to the synthesizer step size The synthesizer IC used in this radio however allows the use of non integer values for the divider which in turn allows the reference frequency to be much higher than normal This creates a synthesizer whose output has lower noise lower spurious levels and higher switching speeds The reference frequency is derived by digitally dividing the frequency of the 14 4 MHz master oscillator When locked the VCO attains the same relative frequency stability as that of the master oscillator The VCO itself is a voltage follower Hartley oscillator formed around Q107 One of the elements in the resonant circuit is a varactor diode CR105 whose capacitance when reverse biased varies as a function of the applied voltage Since the oscillator frequency is controlled by the resonant circuit varying the voltage on t
62. cy harmonics of the PA module output to acceptable levels a low pass filter is inserted between the module and the antenna connector This filter is of elliptic design and formed around L115 and L116 and C169 through C173 To isolate the PA module from the receiver an electronic T R switch is used The switch is formed around PIN diodes CR103 and CR104 which are turned on in transmit and are off in receive CR104 switches the PA module into and out of the circuit while CR103 protects and isolates the receiver input when the radio is in transmit 12 1 3 Miscellaneous Functions Two on board regulators are used to provide the 5 V dc used by most of the circuitry in the radio IC107 is a low noise low dropout regulator which provides 5 V to all the portions of the radio which do not get switched on or off as the radio changes from transmit to receive This regulator is enabled by the XCVR EN J102 5 input When this regulator is not enabled the radio is essentially powered down IC108 is an identical regulator which supplies voltage to those circuits that are to be powered up only in receive The regulator is enabled through IC106E and F by the RX EN J012 4 input The transmitter PA module driver stages and the T R switch are powered by 7 2 V through Q113 The TX EN J102 3 input through delay and sequencing circuitry formed around IC106 Q112 and Q114 enable Q113 The sequencing circuitry delays PA turn on until the driver stages and T R s
63. d audio from IC102 9 is filtered and de shifted by IC103A and associated components Carrier detection is based upon the absolute RF signal level at IC102 s input 1C102 has circuitry that develops a de current which is proportional to the input RF signal level Passing this current through a resistor R115 creates a voltage which varies from about 0 5 V at no signal input to about 3 V with 70 dBm at the antenna connector 12 2 1 5 2 Local Oscillator To convert signals at the first IF frequency of 43 65 MHz to that of the second IF at a frequency of 450 kHz a local oscillator signal at a frequency of 43 2 MHz 43 65 MHz 0 45 MHz is used Tripling the output of the radio s 14 4 MHz master reference oscillator Y101 creates this signal Transistor Q112 acts as a frequency tripler Its associated components are used to bias the transistor at a harmonic rich bias point and to Page 49 of 101 DWG ID 181 0101 00A Date 2003 09 26 filter the output such that only the third harmonic remains for use as the 2 local oscillator 12 2 1 6 VCO and Synthesizer The synthesizer is responsible for generating the carrier in transmit and the first local oscillator in receive A voltage controlled oscillator VCO is an oscillator whose frequency can be controlled by an external signal The synthesizer almost wholly contained within IC108 divides the VCO frequency by digital dividers and compares the result with an accurate reference An er
64. d geese atstase 13 International RSU esau cals a tcc aa ee EE A N R a 14 APPROVALS AND COMPLIANCE id det ue 15 EE A GLEE A E E EO A E E 15 Creneral Safety OF Oper quo A E R s 15 Intormation to the Usas ia 16 ECONO Nes a 16 e A O TO 16 PRODUCT INFORMATION atada ii ti os 17 Model dC A e a 17 ANA A A ab sien anne 17 LIE e A es cates A LE E 17 Type ACC dida 17 SPECIFICATION DE PRODUC Ei dd ia cs 18 Page 3 of 101 DWG ID 181 0101 00A Date 2003 09 26 9 4 1 9 4 2 9 5 9 5 1 TALON U THE o O dial 18 AS a wlonkst leapt cttatie 18 Transmitter oes ti iio ida 18 A A tedh su sb at tae 18 TALONUDO VB o dto goals 19 RTT All sy asaya oped RR 19 rans miter orenean A eases iio add 19 A A A S 20 CONNECTOR PINOUT S di TA A e il 20 ANT Connector AIT ta doc ata 20 De Power Connector A2J6 id A E AAA A aaa 20 Serial TO Connector A219 sali ad 20 GPS Receiver Connector AL WITT iii e td tana 21 Input Output Connector A3J1 At d E antieateludie 21 Serial Ose onnectar A3 A A Ad 23 PPC RA IO rites di o 23 Packet Radio Descriptions iS A did 23 Comiscieds UA Pr taeda 23 A Simpl Connecta niie e A AO 24 MIO A A Ida 25 SECS Monitoring A n na veh ona Dane caida 26 DTT AG UII Oe aen ene E A ada ang aad 26 Pao DR A AN 27 Multi Connects adapta Sos sat tn e a A a A E hee andes 28 AE ANNU aces cada E E A II teenean te sen 29 FRACK Frame Acknowledgment Time oooooonoconoconocononoconononononoconononacononanonnnonnns 29 Retries in AX 25 Level
65. disconnect on your end but may leave the other station thinking it is still connected to you Disconnect messages are not displayed when the TALON is in Transparent Mode Other commands may be entered while a disconnect is in progress See also dbldisc newmode retry and status Page 68 of 101 DWG ID 181 0101 00A Date 2003 09 26 DISPLAY A C G I L M T 3 Immediate This command when entered alone causes the TALON to display a list of all the current parameter settings in the TALON A subset of this list will be displayed by specifying a class identifier for a group of command parameters When using the DISPLAY command with a subclass be sure to use a space between the DISPLAY command and the subclass Subclasses of related parameters are ASYNC asynchronous port parameters TALON to computer CHAR special TALON characters GPS parameters related to GPS operations ID ID parameters LINK parameters affecting packet link TALON to TALON MONITOR monitor parameters TIMING timing parameters Individual parameter values can be displayed by entering DISPLAY and the command name followed by CR See also Display Listings section DWAIT n n 0 255 default 0 DWAIT defines a delay to be used to avoid collisions with digipeated packets The value entered for n is the number of 10 ms intervals after last hearing data on the channel for the TALON to wait before it begins its own key up sequence This value shou
66. e 34 of 101 DWG ID 181 0101 00A Date 2003 09 26 255 from the number key pad on the right side of the keyboard and then releasing the ALT key A small plain text file called EXITKISS TXT containing these characters can be found on the CD accompanying the TALON Again make sure that the terminal program is set to the correct interface baud rate Then send the text file containing the exit sequence characters as an ASCII or PLAIN TEXT file to the TALON The TALON will exit KISS Mode will return to TERMINAL interface mode and will display its sign on message Otherwise perform a HARD RESET This will reset all commands to their factory default settings and allow the TALON to be re initialized as a new unit 9 4 Transparent Unproto Packet TUP Mode 9 4 1 TUP Mode Description The TUP mode protocol utilizes the Unproto mode of the AX 25 protocol allowing digipeaters VIA path specified with UNPROTO command to be used in order to effectively extend the range of a radio data system beyond simplex distance This protocol uses the standard AX 25 CRC 16 error checking to provide a high degree of data integrity Data is sent and received in a totally transparent fashion allowing all ASCII characters to be utilized hex 00 through hex FF Radio transmission is based on the PACTIME AFTER parameter setting of the modem the setting of the carrier detect method and the settings of the slot and persist channel access algorithm Any dat
67. e command prompt Similarly you can remove a single callsign callsign from the list And to remove all items from the current list enter CONLIST NONE A callsign entered without a SSID will match any SSID of that callsign To match a specific SSID only enter the callsign with that SSID for example callsign n where n 0 8191 CONMODE CONVERS TRANS Page 61 of 101 DWG ID 181 0101 00A Date 2003 09 26 default CONVERS This command controls the communication mode the TALON will be placed in AUTOMATICALLY after a connect if NOMODE is OFF A connect may result either from a connect request received or a connect request originated by a CONNECT command If the TALON is already in Convers or Transparent Mode when the connection is completed the mode will not be changed If you have typed part of a command line when the connection is completed the mode change will not take place until you complete the command or cancel the line input See also canline connect convers nomode trans CONNECT call VIA call1 call2 call8 Immediate call callsign of station to be connected to calll call8 optional stations to be digipeated through A maximum of 8 digipeater addresses callsigns or aliases can be specified This is referred to as a path Each callsign may also have an optional Secondary Station Identifier SSID specified as n where n 1 15 The digipeat callsigns are specified in the order in which they are to r
68. e modem will wait after receiving data to be transmitted from the DTE before beginning the radio key up sequence Normally this parameter should be set to AFTER 1 100 ms in order to minimize dead air time on the system PERSIST and SLOTTIME These parameters determine how aggressively the modem will attempt to access a multi user channel based on carrier detect See KPC series manual for a full explanation of these parameters 9 6 2 2 Entering LSUB Mode When you have made any desired changes from the default settings for the above parameters use the INTFACE command to begin LSUB operation Set the INTFACE command to LINESUB cmd INTFACE LINESUB lt cr gt and turn the unit off and then back on Be aware that there is no data flow control 9 6 2 3 Exiting LSUB Mode Page 40 of 101 DWG ID 181 0101 00A Date 2003 09 26 If you want to exit LSUB mode to fine tune parameter settings or for any other reason the Command mode of the modem can be regained by using the transparent data escape sequence i e by sending a series of three control Cs unless a different control character has been defined See TRANS command in the Reference Manual 9 7 Mode Capabilities Matrix Below is a summation of the different modes in table format On o El g 5 E A lO 2 Bl s D 382 28 58 58 8 Pe 25 8 4 gS g5 D 8s Mode At On waa mo Ja Oe Terminal Y Y Y Y Y 1 Host v Y Y Y Y 1 KISS
69. ect request packet The types of control packets are listed below lt C gt Connect request lt D gt Disconnect request lt DM gt Disconnected Mode lt UA gt Unnumbered Acknowledge Page 78 of 101 DWG ID 181 0101 00A Date 2003 09 26 In addition the following bracketed information will be added to the Information packets as appropriate lt UL Unconnected Information frame lt Is gt Information frame connected s send sequence number See also ax2512v2 monitor and mresp For details on control packets see the book 4X 25 Amateur Packet Radio Link Layer Protocol Version 2 0 October 1984 available from the ARRL MCON ON OFF default OFF When OFF and connected the TALON will display only those packets addressed to you Any header information displayed will be determined by the settings of STREAMEV and STREAMCA When OFF and not connected all eligible packets as determined by other monitor commands will be displayed When ON all eligible packets will be displayed whether connected or unconnected See also monitor streamca and streamev MHEARD LONG SHORT CLEAR Immediate This command causes display of a list of stations heard An asterisk indicates that the station was heard through a digipeater The date time the station was last heard is also displayed If the S option is used i e MHEARD S then only the callsigns of the stations heard will be displayed If the L option is selected all c
70. ed SENDPAC character unless PACTIME has expired and CPACTIME is turned on This character also functions as a cancel output character in Command Mode Typing the cancel output character a second time re enables normal output For example if you ve issued a DISPLAY command a lt Ctrl Y gt will cancel the display and a second one re enables the cmd prompt after the next CR See also canline cpactime sendpac CHECK n n 0 255 default 0 This timeout command is used to prevent a hang up in a connected mode when a link failure occurs as a result of conditions beyond control of the connected stations The value entered for n is the number of 10 s intervals to wait during no activity before making a periodic check poll to determine that a connected state still exists If n equals 0 this timeout function is disabled While using Version 1 AX25L2V2 OFF a check timeout will initiate a disconnect Page 59 of 101 DWG ID 181 0101 00A Date 2003 09 26 See also ax2512v2 relink rnrtime CHFREE EVERY bh mm ss START hh mm ss FOR hh mm ss default EVERY 00 00 00 When slotted beaconing is used for GPS CHFREE can specify when the channel will be free for other transmissions See also GBEACON CMDTIME n n 0 15 default 1 This command sets the time allowed for entry of required characters to exit the Transparent Mode In order to allow exit to Command Mode from Transpare
71. ed on top of the DWAIT algorithm See also slottime PERM immediate The PERM command causes all changed parameter settings to be stored in EEPROM Those changed parameters that require a reset to enable them will not take effect until the next reset power off on cycle or RESET command occurs PING callsign immediate Entering the PING command and a callsign causes a single request packet to be addressed and transmitted to the specified station When that station hears this request it will immediately transmit its current gbeacon information in place of its next scheduled beacon POLLID n n 0000 to 9999 default blank This entry specifies this TALONs address when it is operating in POLL mode If set to 0000 this unit operate as a master in POLL mode If set to a number other than 0000 0001 to 9999 this unit will operate as a remote See also POLL mode section RANGE n m n 0 254 00000 m 1 255 00000 default 0 255 0 255 0 255 0 255 0 255 0 255 0 255 0 255 Page 86 of 101 DWG ID 181 0101 00A Date 2003 09 26 The 8 A D inputs are normally read by the microprocessor in response to the ANALOG command as a single byte value from 0 to 255 representing a voltage from 0 to 5 V on the input pin You can use the RANGE command to mathematically convert that single byte value to any offset and scale you want If you would like the input to be expressed as a voltage with 2 decimal precision for example set t
72. ed to signify that a new stream or connection channel is being addressed To change streams you must type this streamswitch character followed immediately by the stream designator The stream Page 92 of 101 DWG ID 181 0101 00A Date 2003 09 26 designator is an alphabetic character A through Z or a through z limited by the value of MAXUSERS If STREAMSW 1s set to the dollar sign 24 you will need to enter parameter values in decimal Alternatively precede the with the PASS character in order to enter hex numbers The character selected can be PASSed in the Convers Mode by using a special PASS character and will always be passed as data in the Transparent Mode If operating in the Transparent Mode and you wish to change streams you must first return to the Command Mode See also maxusers pass status SUPLIST ON OFF NONE 3call call1 call2 where call callsign lt gt callsign callsign gt lt gt callsign default OFF NONE SUPLIST is used to determine which received packets will not be displayed i e suppressed When OFF or NONE SUPLIST will not prevent the display of packets even if it has callsigns in its list The maximum number of callsigns allowed in SUPLIST is 10 Up to 10 callsigns may be entered at once using the format shown after the command name and the new list of from 1 to 10 callsigns will replace whatever list was there before The SUPLIST command can be used to add a single c
73. elay transmitted packets The mode set by CONMODE will be entered upon successful connect if NOMODE is OFF If no response to the Connect request occurs after RETRY attempts the command is aborted A timeout message is printed on the display and the TALON remains in the Command Mode The station being connected to call1 may receive the connect request but be unable to accept connects in which case a busy message will be printed to the screen and the TALON will stay in Command Mode Connect requests may only be initiated in the Command Mode and the connect will be established on the current stream If a connect is in progress or already established the path may be changed by simply re issuing the CONNECT command with the desired path This must be done on the same stream as the original connect CAUTION packets en route between your station and the reconnected station may be lost If CONNECT is entered with no parameters the status of the current stream is displayed See also conmode conok dbldisc maxusers nomode retry ring streamsw CONOK ON OFF Page 62 of 101 DWG ID 181 0101 00A Date 2003 09 26 default ON When ON connect requests from other TALONs will be automatically acknowledged and a lt UA gt packet will be sent The standard connect message with stream ID if appropriate will be output to the terminal and the mode specified by CONMODE will be entered on the I O stream if you are not connected to another s
74. em will not be assigned to connect requests from other stations and are reserved for outgoing connect links The STATUS command sent while in command mode reports which streams are currently active the current I O stream and buffer status Page 28 of 101 DWG ID 181 0101 00A Date 2003 09 26 To change streams to make another connect or to direct data to another connected station on a different stream type the STREAMSW character and the letter designation of the desired stream No return or enter key is necessary The setting of STREAMEV will then determine how often the stream designator is displayed with received data Setting it to ON will make the stream designators show on every connected packet received Setting STREAMCA also to ON will add the callsign of the from station beside the stream designator 8 9 Timing Dwait vs Persistence and Slottime When the TALON acts as a digipeater received packets that need to be relayed are retransmitted as soon as the frequency is clear Beacon and other unproto packets to be transmitted are normally delayed by a small amount of time by the PERSISTENCE SLOTTIME algorithm or DWAIT The default value for DWAIT is set to zero If the DWAIT method is used the TALON sending non digipeat packets will wait for DWAIT times 10 milliseconds time of clear channel before beginning to key up the radio to transmit The PERSIST SLOTTIME algorithm helps avoid packet collisions by randomizin
75. ency is selected When entering CHANNEL the number and frequency of the available channels are displayed The indicates the currently selected channel d OFF NO ON YES is the setting for the digital outputs on the remote Talon When the remote Talon receives a poll packet it will set its DACs and digital outputs accordingly and return a response packet which contains all telemetry data The response packet is addressed to whoever sent the poll packet The data in the response packet is compressed but it will be displayed in the form n1 n2 n3 n4 d1 d2 d3 d4 a1 a2 a3 a4 a5 a6 a7 a8 t v 11 12 13 14 nis the DAC value 0 1023 DWG ID 181 0101 00A Date 2006 02 16 d is the digital output value Y N ais the ADC value 0 1023 t is the temperature CELSIUS v is the input voltage 0 1023 iis the digital input Y N 14 SYSTEM FAULT INDICATION Following is a table of fault indications No jumper column is unit operation mode no jumper on A2J8 and with jumper column is TEST maintenance screen mode A2J8 shorted gt Fault No Jumper With Jumper Boot CRC LEDs flashing to left Return to factory Flash CRC LEDs flashing to right Load file Tech E2 CRC LEDs flashing to right Tech menu Users E2 CRC LEDs flashing to right Tech menu DWG ID 181 0101 00A Date 2006 02 16
76. ency Control PLL Synthesizer Frequency Step Size 5 or 6 25 kHz Emissions Bandwidth Carson s rule 9 4 kHz Frequency Stability 30 to 60 C 1 5 PPM Supply Voltage 8 5 to 15 V de lt 50 mV rms noise Supply Current 13 8 V de RX maximum 100 mA TX maximum 6 W 2 5 A RF I O Connector N f Power Connector COMBICON 2 pin Programming Data Interface 9 terminal D subminiature female Operating Temperature 30 to 60 C Humidity maximum 95 non condensing Dimensions w o Protrusions 2 4 H X 6 5 W X 4 95 D Weight Mass 1 5 lbs 0 68 kg 6 1 2 Transmitter Operating Bandwidth 20 MHz RF Output Power S W adjustable lt 1 Wupto6 W Duty Cycle 50 TX maximum 30 s 6 W RF Zioad 500 Attack time maximum 15 ms Spurious and Harmonics maximum 20 dBm Group Delay Variation w in Frequency 5 us Response maximum 6 1 3 Receiver Page 18 of 101 DWG ID 181 0101 00A Date 2003 09 26 Operating Bandwidth 20 MHz Sensitivity for 1 x 10 BER 115 dBm RF Zin 500 Adjacent Channel Selectivity minimum 60 dB Spurious and Image Rejection minimum 70 dB Intermodulation Rejection minimum 70 dB Conducted Spurious maximum 57 dBm Receive Attack Time TX to RX 15 ms maximum RSSI Squelch Attack Time maximum 5 ms Group Delay Variation w in Frequency 20 us Response maximum 6 2 TALON UDC VHF 6 2 1 General FC
77. ent to the connecting station upon receiving a connect request When ON the custom CTEXT string will be sent When CMSG is set to DISC the custom CTEXT string will be sent to the connecting station and then your TALON will disconnect from that station See also ctext COMMAND n n 00 FF default 03 lt Ctrl C gt This command defines the Command Mode entry character When COMMAND is set to the default value typing this character causes the TALON to return to Command Mode from packet Convers Mode See CMDTIME for returning to Command Mode from Transparent Mode CONLIST ON OFF NONE callsign callsign1 callsign2 default OFF CONLIST is used to determine which stations callsigns may use your station for ANY purpose including digipeating When ON the TALON will recognize only those packets received with a callsign that appears in the CONLIST s list of callsigns and you will not be able to connect to any station that is not in the conlist When OFF the TALON will process all packets The maximum number of callsigns allowed in CONLIST is 10 Up to 10 callsigns may be entered at once using the format shown after the command name and the new list of from 1 to 10 callsigns will replace whatever list was there before The CONLIST command can be used to add a single callsign callsign so long as there is room for the new callsign on the list if there is not the TALON responds with EH and returns you to th
78. equency converter the VCO operates at a frequency 43 65 MHz below that of the desired receive frequency In transmit the VCO s oscillating frequency range is shifted upward by about 44 MHz by switching C190 and L115 into the resonant circuit The VCO has a tuning range of about 30 MHz when its tuning voltage is varied between 1 and 5 V To frequency modulate the VCO for transmit another varactor diode CR105 is lightly coupled into the resonant circuit Q107 and Q106 amplify the output of the VCO to a level of about 0 dBm Q111 R172 and C196 act as a very low noise power supply filter for the VCO 12 2 2 Transmitter 12 2 2 1 PA Driver Stages The output of the last VCO buffer drives Q105 through R151 The signal level at this point is about 10 dBm Q105 amplifies this signal to about 5 dBm Q104 further amplifies the signal to 17 dBm the level required by the PA module The supply voltage to these two stages is switched on in transmit by Q113 Page 50 of 101 DWG ID 181 0101 00A Date 2003 09 26 12 2 2 2 PA Module Low pass Filter and T R Switch When driven by 17 dBm the PA module is capable of producing 6 W or more of power at the antenna connector Pin 2 of the module is used for power control The output power level can be varied from less than 0 5 W to full power by changing the voltage at this pin To reduce carrier frequency harmonics of the PA module output to acceptable levels a low pass filter is inserted between
79. ers used to transmit the GBEACON position information The destination callsign defaults to GPS Up to 8 digipeater callsigns may be specified GREPORT n n 0 255 default 0 This command sets the interval of local reports of GPS data from this unit s own GPS receiver which will be displayed as defined in the GTEXT command GTEXT optional text mixed with variables default GPRMC Page 72 of 101 DWG ID 181 0101 00A Date 2003 09 26 This command controls how received GPS beacon data is displayed You can specify one or more NMEA strings with optional text and or other variables To include a variable it must be preceded and followed by a dollar sign and must be in upper case The following variables are allowed SGPRMC GPGLL GPGGA GPVTG CHKSUM LAT LONG UTC OFFSET DATE ESPD NSPD USPD SOG TRACK ALT NUMSAT TEMPC TEMPF For example GTEXT Latitude LAT Longitude LONG GPRMC GPGLL GPGSA and GPVTG are all valid NMEA 0183 type sentences Data will be displayed in the specified sentence format When included CHKSUM adds valid checksum to NMEA sentences Note that when CHKSUM is specified the NMEA string header must include the leading character For example these specified strings would be entered this way GTEXT GPRMC CHKSUM LAT displays the latitude LONG displays the longitude UTC displays the time in UTC format as derived from the GPS satellites OFFSET displays the current time
80. et up to four additional aliases call signs for special Digipeating service To be digipeated packets received containing one of these aliases will be repeated once with the call sign MYCALL of the digipeater substituted for the alias in the digipeated frame UIFLOOD is a bit more exotic It provides for multi hop Digipeating with just one digipeater address per packet thereby keeping the transmission time short To digipeat through three TALONS supporting the UIFLOOD command a reporting station might set a GPS position path as GPATH GPS via wide3 3 A digipeater TALON supporting wide set by the UIFLOOD command and hearing the reporting station s transmission would then repeat the UI location packet assuming it had not done so already within a preset time using an address of wide3 2 In turn each similar digipeater down line would digi the reporting station s UI packet and reduce decrement the SSID of the digipeater address again A TALON using UIFLOOD has the option of inserting MYCALL in the digipeater field of a repeated packet creating two digipeater addresses rather than one in each transmitted packet Page 27 of 101 DWG ID 181 0101 00A Date 2003 09 26 The current setting of UIDWAIT determines whether or not a delay is added to UI digipeat packets those formed by UIDIGI or UIFLOOD before transmission once the channel is clear If UIDWAIT is ON the delay is determined by SLOTTIME and PERSIST settings Note Digipe
81. f characters and spaces up to maximum length of 128 Entering a single will clear CTEXT This entry specifies the text of the first packet to be sent in response to an accepted connect request provided that the parameter CMSG is not set to OFF See also cmsg connect CTRL OFF ON LONG SHORT n n 1 20 Immediate default off off off off off off off off This command causes the TALON to activate the specified output line 0 7 as indicated If an output line is not specified all outputs are affected For instance to set the 0 output ON active low you would give the command CTRL ON7 You may optionally specify a number of times to pulse an output ON set the output ON or set it OFF Each pulse on the output line lasts approximately 100 ms Specifying LONG results in one pulse of the output line lasting approximately 1 5 s The output lines are open drain outputs and are pulled to ground when active ON For more information see the section on Telemetry in this manual Do not allow more than 200 mA of current in this circuit CWID EVERY AFTER n n 0 255 default EVERY 0 Each increment specifies 1 minute intervals A value of 0 turns the CWID OFF Setting a value greater than 0 activates the ID under the conditions specified If the optional keyword Every is used an ID will be sent every n minutes If set to After an ID will be sent ONCE after the specified interval with no channel activit
82. g the wait time before transmitting By using this random timing it is less likely that any two TALONSs will transmit at the same time causing a packet collision When a TALON has a packet to transmit and detects that the channel is clear it will wait SLOTTIME times 10 ms and generate a random number If resulting number is smaller than the number specified by the setting of PERSIST the packet will be transmitted If the number is larger it will wait another SLOTTIME and then generate another random number and again decide whether to transmit or not When using PERSIST SLOTTIME DWAIT should be set to 0 since both will be used if specified 8 10 FRACK Frame Acknowledgment Time If the TALON expects an acknowledgment of a packet it has sent it will wait FRACK seconds for the acknowledgment If the acknowledgment is not received it will either send a poll or retransmit the packet depending on the setting of AX25L2V2 When digis are used extra time is allowed for each transmission using the following equation FRACK 2 n 1 s where n is the number of digipeaters and s is the SI symbol for seconds The length of the packet transmitted determined by PACLEN and MAXFRAME also needs to be taken into account when deciding how to set FRACK Longer packets and more of them Page 29 of 101 DWG ID 181 0101 00A Date 2003 09 26 require more time to be transmitted more time to be repeated by the digipeater and so on down the line
83. he amount of data that can be returned from the remote TALON while using its remote access so some commands will not fully display their response In response to the command DISPLAY which is a large amount of return data only about the first 300 characters of the full display listing will be returned But the setting of any single command can be displayed in its entirety When finishing a remote access session send the command to the remote TNC DISC MYREMOTE The remote TALON will then send a disconnect packet back to the local TNC The local TALON can also be commanded to disconnect from the remote by returning it to its command prompt and entering the DISC command 9 PROTOCOL DESCRIPTIONS 9 1 Terminal Mode Terminal mode is the text based command interface that allows operation and configuration of communication with the TALON from a terminal program or dumb terminal unit 9 2 Host Mode Page 32 of 101 DWG ID 181 0101 00A Date 2003 09 26 9 2 1 Host Mode Description The HOST interface mode provides a way of having more control ofthe TALON A specially written program that communicates with the TALON in a framed data mode can make operation easier and with more functionality than when using a simple terminal program or dumb terminal This allows sending commands and receiving command responses communicating over the radio in two modes at once connected and monitored packets Each data frame has a header
84. he range for that analog pin as 0 5 00 If you connect a temperature sensor to an A D pin which outputs 0 5 V for temperatures of 40 to 100 set the range for that input to 40 100 0 A pressure sensor that gives 0 4 V for 1 PSI would use a range of 0 1 25 See also analog telemetry REDISPLA n n 00 SFF default 12 lt Ctrl R gt This command is used to change the REDISPLAY input editing character The parameter n is the ASCII code for the character you want to type in order to REDISPLAY the packet or command currently being entered You can type this character to cause the TALON to redisplay the packet you have begun When you type the REDISPLAY packet character the following things happen First type in flow control is released if FLOW was enabled This displays any incoming packets that are pending Then a backslash character is displayed and the packet or command you have begun is redisplayed on the next line If you have deleted and retyped any character only the final form of the packet will be shown You are now ready to continue typing Incoming packets will continue to be displayed until you type the next character of your current message You can use the REDISPLAY packet character to see a clean copy of your input if you are using a printing terminal or have BKONDEL OFF and you have deleted characters The REDISPLAYed packet will show the corrected text You can also use this character if you are typ
85. he terminal after each carriage return This parameter should be set ON when overprinting occurs and the terminal being used does not automatically supply its own linefeed after a carriage return This command affects only the data sent to the terminal not data sent to the radio See also cr lfadd AX25L2V2 ON OFF default ON When ON Level 2 Version 2 protocol is implemented and the TALON will automatically adapt to whichever version the connecting station is using When OFF Level 2 Version is implemented Set this command to OFF if you need to digipeat through other units which do not digipeat version 2 packets You may also find benefit from setting this command OFF when using several digipeaters not nodes to send packets or when conditions are marginal between the two stations involved NOTE Changing this setting after connecting to another station will have no effect on the current connection The major difference in V1 and V2 protocol is the method used to handle retries In the connected mode if a packet is sent and not acknowledged Version 1 will re send the Page 56 of 101 DWG ID 181 0101 00A Date 2003 09 26 entire packet until it receives an acknowledgment or will disconnect if the RETRY count is reached Version 2 will first send a poll the response to this poll will determine if the packet was received It is possible that the ack was collided with and therefore the data packet does not need to be resent If the
86. he varactor diode effects a change in frequency To serve as a local oscillator for the first frequency converter the VCO operates at a frequency 43 65 MHz above that of the desired receive frequency In receive the VCO s oscillating frequency range is shifted upward by about 44 MHz by switching C191 C192 and L122 into the resonant circuit The VCO has a tuning range of about 40 MHz when its tuning voltage is varied between 1 and 5 V To frequency modulate the VCO for transmit another varactor diode CR106 is lightly coupled into the resonant circuit The output of the VCO is amplified to a level of about 0 dBm by Q106 Q110 R171 and C196 act as a very low noise power supply filter for the VCO 12 1 2 Transmitter 12 1 2 1 PA Driver Stages The output of the VCO buffer drives Q105 through R152 The signal level at this point is about 10 dBm Q105 amplifies this signal to about 5 dBm Q104 further amplifies the signal to 13 dBm the level required by the PA module The supply voltage to these two stages is switched on in transmit by Q113 12 1 2 2 PA Module Low pass Filter and T R Switch Page 47 of 101 DWG ID 181 0101 00A Date 2003 09 26 When driven by 13 dBm the PA module is capable of producing 6 W or more of power at the antenna connector Pin 2 of the module is used for power control The output power level can be varied from less than 0 5 W to full power by changing the voltage at this pin To reduce carrier frequen
87. ing a message in Convers Mode and a packet comes in You can see the incoming message before you send your packet without canceling your input See also bkondel canline canpac and flow RELINK ON OFF default OFF Page 87 of 101 DWG ID 181 0101 00A Date 2003 09 26 When OFF the TALON operating with AX25L2V2 ON does not attempt to automatically reconnect When ON the TALON operating with AX25L2V2 ON will attempt to automatically reconnect after RETRY is exceeded See also ax2512v2 retry and tries RESET immediate This command is used to perform a soft reset The MHEARD log is not cleared Any existing connections which are not conpermed will be lost even though the other station still indicates a connection to your station The initial sign on message will be displayed See also intface maxusers myremote and restore RESTORE immediate When the RESTORE command is given the TALON will revert to its factory default settings losing all previously PERMed settings and start its AUTOBAUD routine It will then need to be initialized by pressing the to set its interface baud rate and entering a callsign See also reset RETRYn n 0 15 default 10 This command specifies the number of packet retries Packets are re transmitted n times before an operation is aborted The time between retries when no acknowledgment is received is specified by the command FRACK See also ax2512v2 frack relink
88. ion You may not rent or lease the SOFTWARE but you may transfer the SOFTWARE and accompanying written materials on a permanent basis provided you retain no copies and the recipient agrees to the terms of this Agreement Kantronics may terminate this Agreement without notice if you violate any terms or conditions of the agreement In the event of termination of the Agreement provisions relating to Kantronics disclaimers of warranties limitation of liability remedies or damages and Kantronics proprietary rights shall survive 3 7 3 Object Code The SOFTWARE is delivered in object code only You shall not reverse compile or otherwise reverse engineer the SOFTWARE 3 7 4 Limited Warranty This product is covered by the standard Kantronics Company Inc Limited Warranty 3 7 5 General This License Agreement constitutes the complete Agreement between you and Kantronics The SOFTWARE and or Documentation may not be exported or re exported Page 8 of 101 DWG ID 181 0101 00A Date 2003 09 26 in violation of any export laws or regulations of the United States of America or any other applicable jurisdiction This Agreement shall be governed by and interpreted under the laws of the State of Kansas United States of America Use duplication or disclosure by the Government of the United States is subject to restrictions as set forth in subparagraph c 1 11 of the Rights in Technical Data and Computer SOFTWARE clause of DFARS 252 227 7013 Kantr
89. ions assures that data can pass from one station to another correctly and in the proper order In the UNPROTO mode data is transmitted with no acknowledgment expected or required and no retries are attempted This mode is often used for transmitting beacons and for data broadcasts To manually type and send characters in UNPROTO mode enter the Convers Mode by entering the CONV or K command Then typed and entered characters will be packetized and transmitted as data and not be interpreted as commands When transmitting UNPROTO packets the command called UNPROTO sets the destination or to address of those packets Its default setting is CQ To exit Convers mode and return to Command Mode enter a lt Ctrl C gt by holding down the Control key and pressing the C key 8 3 A Simple Connect To connect to another station start from command prompt and enter a connect request For example CONNECT callsign lt CR gt Where CONNECT is the command to establish a packet link with another station and callsign is the callsign of the other station If the connect request fails the following messages will be displayed RETRY COUNT EXCEEDED DISCONNECTED When an acknowledgment is received for a connect request packet the following message will be displayed CONNECTED TO callsign and the TALON will then change to the Convers Mode or the communication mode defined by the settings of the NOMODE and CONMODE
90. is entered or when PACLEN is achieved When ON and in the Convers Mode packets are sent at periodic intervals determined by PACTIME Characters are sent periodically as in Transparent Mode but the local editing and echoing features of Convers Mode are enabled See also convers cr paclen pactime sendpac trans CR ON OFF default ON When ON the SENDPAC character normally carriage return is appended to all packets sent in Convers Mode except when PACLEN is exceeded Setting CR ON and SENDPAC 0D results in a natural conversation mode Each line is sent when a CR is entered and arrives at its destination with the CR appended to the end of the line To avoid overprinting AUTOLF may need to be ON at the receiving end See also autolf lfadd sendpac CRSUP ON OFF default OFF When ON the display of every other carriage return when no data is between them in the received data is suppressed removed before sending the data to the terminal When CRSUP is OFF all carriage return characters are left in the received data as it is sent to the terminal See also autolf lfsup CSTAMP ON OFF default OFF When ON the daytime stamp is printed with all CONNECTED TO and DISCONNECTED messages on the terminal See also connect daytime disconnect mstamp Page 64 of 101 DWG ID 181 0101 00A Date 2003 09 26 CTEXT text 0 128 characters default blank Enter any combination o
91. isplay its model name and current installed BIOS version number VOLTAGE Immediate Displays dc input voltage to unit in XX XX format XFLOW ON OFF default ON Page 98 of 101 DWG ID 181 0101 00A Date 2003 09 26 When ON software flow control will be implemented according to the settings of START STOP XON and XOFF For normal software flow control set XFLOW ON START 11 STOP 13 XON 11 XOFF 13 The TALON expects the computer or terminal to respond to the flow control characters XON and XOFF and the TALON responds to the START and STOP characters from the computer When XFLOW OFF the TALON will only use and recognize hardware flow control lines CTS and RTS to start or stop data The RS232 cable must be wired appropriately If the software flow control characters are set to 00 software flow control is not possible In the Transparent Mode flow control is also determined by the settings of TRFLOW and TXFLOW See also start stop trflow txflow xoff xon and xkchksum XOFF n n 00 SFF default 13 lt Ctrl S gt This command selects the character sent by the TALON to the computer to stop input from the computer If set to 00 hardware flow control must be used For software flow control set this parameter to the character the computer expects to see to stop sending data to the TALON See also xflow xon XON n n 00 SFF default 11 lt Ctrl Q gt This command selects the character sent by the
92. isplay position packets heard from remote or mobile TALON units Its command called MONITOR should be set to ON so that those packets heard from other stations can be displayed The display of monitored packets includes header and data parts At the beginning of the header two callsigns are displayed separated by a gt The first callsign is the station that transmitted the packet and the second callsign is the destination station that the packet is intended for Unproto packets may have any destination but typically use CQ The setting of the command GBEACON specifies the format and amount of data that is displayed from remote unit packets A remote unit will display its own transmitted packets when the command MXMIT is set to ON It can also display its own location information at intervals set by the command GREPORT regardless of the setting of its GBEACON interval This local display in a remote will be in the format specified by GTEXT Page 25 of 101 DWG ID 181 0101 00A Date 2003 09 26 This local display is output from the serial port of the TALON for use by an attached computer This computer may be running its own data recording program or displaying this unit s position on a map 8 5 Selective Monitoring With MONITOR ON the BUDLIST command can be used to limit the display of monitored packets from other stations to only those packets specifically FROM or TO or both a specific station
93. ites It is the responsibility of the host system to insure that additional data is not transmitted until sufficient time has elapsed to allow data to travel to the last Page 35 of 101 DWG ID 181 0101 00A Date 2003 09 26 digipeater and the response if any to travel back to the host Note that the automatic Time to Live timer and the TUPTIME timer are only in effect if packets are being digipeated 9 4 2 TUP Mode Operation 9 4 2 1 Commands Used Basic TUP Operation involves just a few commands MYCALL The MYCALL command determines the MODEM address This must be entered after the autobaud routine has detected an asterisk PACTIME The PACTIME parameter determines how long the modem will wait after receiving data to be transmitted from the DTE before beginning the radio key up sequence Normally this parameter should be set to AFTER 1 100 ms in order to minimize dead air time on the system PACLEN PACLEN sets the maximum size of the data packet s Most applications do not require large amounts of data to be transferred so the default value 128 will probably be satisfactory allowing packets up to 128 bytes If the amount of data to be sent exceeds the PACLEN parameter setting the transmission will be composed of multiple packets containing the data PERSIST and SLOTTIME These parameters determine how aggressively the modem will attempt to access a multi user channel based on carrier detect See KPC series manual for
94. l it has been able to process the data it has already received 8 13 1 Software Flow Control Software flow control uses special characters as defined by the commands XOFF XON STOP and START which are inserted into data on the TXD and RXD lines between the computer and TNC One of the devices will send a lt Ctrl S gt to signal the other device to stop sending data and a lt Ctrl Q gt to signal that it can resume sending data Software flow control can be disabled by setting the command XFLOW to OFF The commands TRFLOW and TXFLOW are used to enable software flow control in TRANSPARENT mode 8 13 2 Hardware Flow Control Hardware flow control uses the RTS and CTS lines in the RS 232 cable The TALON will de activate the CTS line to the computer to signal it to stop sending data The computer will de activate the RTS line to signal the TALON to stop sending data 8 14 Remote Access The commands of the TALON can be accessed or changed remotely from another TALON as long as its commands MYREMOTE and RTEXT have been set and remote access has been granted MYREMOTE defines the callsign or name for the remote access feature and RTEXT is a password character string In a local TALON command it to connect to the MYREMOTE callsign in the remote TALON That unit will respond to the connect request and will present three lines of six numbers per line Pick one of the lines and enter the characters at the positions indicated in the line a
95. layed along with the data portion of the packet Callsigns to and from fields are separated by a gt and the Secondary Station Identifier SSID is displayed if it is other than 0 If any data is contained in the monitored packet which does not follow the AX 25 protocol it is displayed in curly braces on the header line All monitor functions are disabled in the Transparent Mode When OFF you will see just the data from those stations connected to you no matter how other monitor commands are set Any header information displayed will be determined by the settings of STREAMCA and STREAMEV See also budlist conlist headerln llist mall mbeacon mcom mcon mresp mrpt mstamp pid streamca streamev and suplist Page 80 of 101 DWG ID 181 0101 00A Date 2003 09 26 MRESP ON OFF default OFF When ON monitored packets include the following AX 25 response packets if MONITOR and MCOM are ON If connected MCON must also be on The bracketed information will appear at the end of the header information The lt and lt lt characters are used to bracket and denote packets received as version or version 2 respectively For example lt lt RR1 gt gt denotes a version 2 packet In addition upper case characters are used to designate commands polls and lower case characters are used to denote responses for RR REJ and RNR For example lt lt rr1 gt gt is a response in version 2 lt FRMR gt
96. ld be established and set equally in all members of a local area network The best value will be determined by experimentation but will be a function of the key up time TXDELAY This feature is made available to help alleviate the drastic reduction of throughput which occurs on a channel when digipeated packets suffer collisions Digipeated packets are not retried by the digipeater but must be restarted by the originating station If all stations specify DWAIT and the right value is chosen the digipeater will capture the frequency every time it has data to send since digipeated packets are sent without this delay Observations have proven that a better algorithm for avoiding collisions between end user stations while still allowing digipeaters the high priority access they require is Page 69 of 101 DWG ID 181 0101 00A Date 2003 09 26 achieved using Persistence and Slottime to determine proper transmit intervals and setting DWAIT to 0 See also persist slottime ECHO ON OFF default ON When ON characters received from the computer by the TALON are echoed back and displayed If you are receiving double print of characters entered at the keyboard turn this command OFF This corresponds to the setting in your terminal program for duplex If your program is set for full duplex set ECHO ON If your program is set for half duplex some call it echo then set ECHO in the TALON to OFF Regardless of the setting of this command the T
97. ler series of radio modems is manufactured in the U S A All brands and product names are trademarks of their respective companies 3 4 Disclaimer Notice We have attempted to make this manual technically and typographically correct as of the date of the current issue Production changes to the TALON UDC series may add changes to the manual at a later date Send comments or suggest corrections to Kantronics Co Inc 1202 E 23rd Street Suite A Lawrence KS 66046 or e mail sales kantronics com Information in this document is subject to change without notice Contents of this publication or the firmware within the TALON UDC series may not be reproduced in any form without the written permission of the copyright owner Published in the United States of America 3 5 Kantronics Warranty Registration Please take the time to fill out a copy of the warranty registration form and mail it to Kantronics including a copy of your sales receipt to register your purchase Kantronics must receive warranty registration within 10 days of purchase of the Kantronics TALON Page 6 of 101 DWG ID 181 0101 00A Date 2003 09 26 UDC series of radio modems to be valid Both must be on file at Kantronics in order for you to receive warranty service Refer to the warranty policy in this manual for further information Mail form and sales receipt to Kantronics 1202 E 23rd Street Suite A Lawrence KS 66046 Entity Name Address City ED
98. local disconnect independent of the retry counter Page 67 of 101 DWG ID 181 0101 00A Date 2003 09 26 See also disconnect DELETE n n 00 SFF default 08 lt Ctrl H gt This command defines the character to be used as the delete character When this character is typed the last input character is deleted The most common settings are 08 backspace or 7F delete See also bkondel DIGIPEAT ON OFF UIONL Y default OFF When ON this unit will retransmit any packet it receives that has its MYCALL or MYALIAS in the digipeat address field Each station included in the digipeat list relays the packet in the order specified in the address field Digipeating takes place concurrently with other TALON operations and does not interfere with normal connected operation of the station To disable digipeat operations via MYCALL or MYALIAS set this command to OFF If UIONLY is selected the TALON will digipeat UI frames unconnected information only See also hid myalias mycall DISCONNE Immediate When given without options disconnect will initiate an immediate disconnect request on the current I O stream A successful disconnect results in the display of DISCONNECTED If the RETRY count is exceeded while waiting for the connected station to acknowledge the TALON moves to the disconnected state on that stream Entering a second Disconnect command before RETRY has expired will result in an immediate
99. loses power or is somehow reset Note See TALON COMMAND SET section for explanation of commands 10 1 Automatic Vehicle Location AVL and Asset Tracking 10 1 1 AVL Used Without a Terminal Set gb GBEACON parameters EVERY hh mm ss for interval between beacons OR enter number of meters to travel before next beacon Set gt GTEXT for optional text mixed with variables 10 1 2 AVL Used With a Terminal For Text Set gb GBEACON parameters EVERY hh mm ss for interval between beacons OR enter number of meters to travel before next beacon Set gt GTEXT for optional text mixed with variables To send and receive text messages you must determine and set up the system for connected or packet broadcast mode See CONNECT CONMODE LLIST and UNPROTO commands for starters 10 1 3 AVL Receive Set gt GTEXT according to your needs See GTEXT command Set PC system in accordance with information and data needed 10 2 Base Station Operation Setup for transmit and receive as needed If your base station is used in a service requiring station ID set cw CWID EVERY to interval required See FCC Part 90 425 Station identification for details The unit will send an FSK modulated tone of 600 Hz at approximately 40 deviation of normal signal deviation at approximately 20 WPM using the call sign you enter under MYCALL If there is something else you want to ID by enter it under cwidt CWIDTEXT Page 42 of 101 DWG ID 181 0101 00A
100. mited Warranty shall be subject to a minimum labor charge and the product will be returned to you at your sole expense Please note no warranty service will be provided until Kantronics has been furnished with your Warranty Registration and copy of proof of purchase establishing purchase date 3 8 8 NON ASSIGNMENT This Limited Warranty is not assignable by you Any attempt to assign or transfer any of the rights duties or obligations hereof is void 3 8 9 OTHER RIGHTS This Limited Warranty gives you specific legal rights and you may also have other rights which vary from jurisdiction to jurisdiction 3 9 Return Repair Procedures Important Our repair statistics show that a large percentage of units returned for service do not in fact require any service Therefore we advise you to please double check the following list of common user solvable sources of difficulty before contacting Kantronics about returning your unit for service An RMA Return Merchandise Authorization number must be requested and received and included with the unit Page 11 of 101 DWG ID 181 0101 00A Date 2003 09 26 returned for repair If a unit is received without an RMA number the shipment will be denied 3 9 1 Check List for Possible Problems If encountering difficulty in getting this equipment to talk to your computer please perform at least the following limited checks before calling or writing e Carefully check the wiring connec
101. mplitude modulation The output of the limiter amplifier drives the discriminator The resonator for the discriminator is YF104 12 1 1 4 Receiver Audio and Carrier Detection The recovered audio from IC102 9 is filtered and de shifted by IC103A and associated components Carrier detection is based upon the absolute RF signal level at IC102 s input IC102 has circuitry that develops a de current which is proportional to the input RF signal level Passing this current through a resistor R123 creates a voltage which varies from about 0 5 V at no signal input to about 3 V with 70 dBm at the antenna connector 12 1 1 5 2 Local Oscillator To convert signals at the first IF frequency of 43 65 MHz to that of the second IF at a frequency of 450 kHz a local oscillator signal at a frequency of 43 2 MHz 43 65 MHz 0 45 MHz is used Tripling the output of the radio s 14 4 MHz master reference oscillator Y101 creates this signal Transistor Q111 acts as a frequency tripler Its associated components are used to bias the transistor at a harmonic rich bias point and to filter the output such that only the third harmonic remains for use as the 2 local oscillator Page 46 of 101 DWG ID 181 0101 00A Date 2003 09 26 12 1 1 6 VCO and Synthesizer The synthesizer is responsible for generating the carrier in transmit and the first local oscillator in receive A voltage controlled oscillator VCO is an oscillator whose frequency can be
102. must adhere to FCC RF maximum permissible exposure MPE limits See FCC OET Bulletin 65 and 47 CFR Part 2 4 2 General Safety of Operation Please observe the following safety precautions e DO NOT operate radio equipment near electrical blasting caps e DO NOT operate radio equipment in an explosive atmosphere e DO NOT operate any radio transmitter unless all RF connectors are secure and any open connectors are properly terminated e DO NOT operate the transmitter of a fixed radio base station microwave rural telephone RF equipment or marine radio when someone is within 0 6 m two feet of the antenna Page 15 of 101 DWG ID 181 0101 00A Date 2003 09 26 e ONLY authorized personnel shall perform repair of Kantronics TALON UDC products 4 3 Information to the User This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to part 15 of the FCC rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense 4 4 FCC Notice
103. n To match a specific SSID only enter the callsign with that SSID for example callsign n where n 0 8191 More selective monitoring is enabled when a callsign or two callsigns combined with a gt and or a lt character are entered For example entering gt callsign will enable monitoring of packets TO that callsign assuming BUDLIST is ON Entering lt callsign will enable monitoring of packets from the callsign Entering callsign1 gt callsign2 will enable monitoring of packets from callsign1 to callsign2 And Page 58 of 101 DWG ID 181 0101 00A Date 2003 09 26 entering callsign1 lt gt callsign2 will enable monitoring of all packets between callsign to callsign2 and vice versa Note that entering callsign1 gt callsign2 or callsign1 lt gt callsign2 counts as two of the 10 maximum allowed callsigns CANLINE n n 00 SFF default 18 lt Ctrl X gt This command defines the cancel line input editing command character When in Convers or Command Mode entering this character will cancel all characters input from the keyboard back to the last un PASSed carriage return unless PACTIME has expired CPACTIME is turned on and you are in Convers Mode See also canpac cpactime pass CANPAC n n 00 SFF default 19 lt Ctrl Y gt This command defines the cancel packet command character When in the Convers Mode entering this character will cancel all keyboard input back to the last unpass
104. ncy converter while wide enough to support a performance bandwidth of 26 MHz 12 1 1 2 1 Frequency Converter 1 IF Filters and 1 IF Amplifier IC101 is an active double balanced frequency converter which converts the incoming RF signal to the first intermediate frequency IF of 43 65 MHz This frequency converter has a gain of 0 dB and a noise figure of 10 dB Its differential output is matched to the first IF filter YF101 by L111 L112 C130 and C140 An IF amplifier based around Q102 is used to provide gain Its output drives another IF filter section YF102 which is identical to YF101 These two filters serve the double function of filtering out the spurious responses of the second frequency converter and with the second IF filter of removing signals at the adjacent and further removed channels 12 1 1 3 2 IF IC The output of YF102 drives the mixer internal to IC102 IC102 is a FM IF IC which contains a frequency converter high gain limiting IF amplifier FM discriminator detector and other support circuitry The frequency converter in IC102 converts the RF signal at the first IF to the second IF of 450 kHz The output of the frequency converter exits the IC and is filtered by the second IF filter YF103 The output of the filter reenters the IC and drives the high gain limiting amplifier Because the discriminator inside IC102 is sensitive to amplitude and frequency modulation components a limiter must precede it to remove any a
105. nd to work and if connected MCON must also be ON See also cstamp daytime monitor MXMIT ON OFF default ON When ON the TALON will display transmitted packets as monitored data on your terminal Repeated packets will be displayed as they are sent over the radio The frames to be displayed will be controlled by the MONITOR MCOM MCON and MRESP commands and will obey the settings of TRACE MSTAMP HEADERLN 8BITCONV and FILTER commands See also monitor MYALIAS xxxxxxx n n 0 8191 default blank Setting this command to a callsign or character string enables digipeating by using the MYALIAS Enter up to six characters plus optional SSID which are different than those used for MYCALL or MYREMOTE For example you may enter LAWRN as the MYALIAS which would be easier to remember for stations wishing to digipeat through a station in Lawrence enroute to a station more distant You may disable the alias digipeating with the command MYALIAS See also hid MYCALL xxxxxxx n n 0 8191 This command tells the TALON what its callsign is The extension n is called a Secondary Station Identifier SSID and is defaulted as 0 but may be any number from 0 to 8191 All packets originated by the TALON will contain Page 82 of 101 DWG ID 181 0101 00A Date 2003 09 26 this callsign in the FROM address field Any packets received by the TALON with this callsign in the TO address field or digipeat fields will be responded to app
106. nducted Spurious maximum 57 dBm Receive Attack Time TX to RX 15 ms maximum RSSI Squelch Attack Time maximum 5 ms Group Delay Variation w in Frequency 20 us Response maximum 7 CONNECTOR PINOUTS 7 1 ANT Connector A1J1 N female Mate with N male 7 2 Dc Power Connector A2J6 Two pin COMBICON Mate with two socket COMBICON P1 provided Terminal Nr Physical Position Description 1 Left terminal de voltage 2 Right terminal GND dc return 7 3 Serial I O Connector A2J9 D sub 9 female Mate with D sub 9 male Page 20 of 101 DWG ID 181 0101 00A Date 2003 09 26 Terminal Nr Description DCD RXD TXD DTR Digital GND DSR RTS CTS RI Hua O CO WE OV i Be uno 7 4 GPS Receiver Connector A2W1J1 MPX female Mate with MPX male which is the connector on the end of the transmission line that is part of the supplied GPS magnet mount antenna 7 5 Input Output Connector A3J1 aja e n esl 7 19 at a 5 a 20 paje e o Jj 18 20 22 24 26 28 30 1 0 A3J1 CONNECTOR PINOUT Page 21 of 101 DWG ID 181 0101 00A Date 2003 09 26 Nomenclature Description Al Al2 Al3 Al4 Al5 AIG AI7 Al8 AO1 AO2 AO3 AO4 DGN DI1 DI2 DI3 DI4 DO1 DO2 DO3 DO4 GND Analog Input 1 0 to 5 V dc Analog Input 2 0 to 5 V dc Analog Input 3 O to 5 V dc Analog Input 4 0 to 5 V dc Anal
107. nection uses a different stream In order to direct what you want to say to a different stream you use the STREAMSW character All streams may be used for outgoing packets but USERS sets the number that may be used for incoming connections Changing the value of MAXUSERS will cause the TALON to perform a soft reset Note that you may not change the value of MAXUSERS while you are connected since this would reset the TALON and cause all existing connections to be lost Note Although you must spell out the entire command word MAXUSERS to change the current value of MAXUSERS you can enter the short form MAXU if you just want to see the current value of MAXUSERS See also status streamsw users MBEACON ON OFF default ON This command determines whether packets addressed to Beacon or ID will be displayed on the screen If you do not wish to display Beacon or ID packets turn this command OFF See also beacon id and monitor MCOM ON OFF default OFF Supervisory control packets are not monitored unless MCOM is set ON and MON is ON In addition if your station is connected control packets are not monitored unless MCON is also ON Control packets when displayed are distinguished from information packets by the lt gt and lt lt gt gt character sets appended to the packet header With these characters a letter is included to denote the type of control packet received e g lt lt c gt gt a conn
108. nt Mode while permitting any character to be sent as data a guard time of CMDTIME seconds is set up Entering a value for n sets the value of CMDTIME to n seconds To exit Transparent mode you need to wait at least CMDTIME since the last data character was sent to the TALON Then you need to enter the COMMAND character e g lt Ctrl C gt three times with a wait of LESS THAN the value of CMDTIME between the first and second time you enter the COMMAND character and also a wait of LESS THAN the value of CMDTIME between the second and third time you enter the COMMAND character After a final delay of CMDTIME the TALON will exit Transparent Mode and enter Command Mode At this time you should see the cmd prompt If CMDTIME is set to zero the only exit from Transparent Mode is a modem break signal assuming BREAK is set to ON For example if CMDTIME is 1 second and COMMAND is lt Ctrl C gt wait at least one second type a lt Ctrl C gt within one second type a second lt Ctrl C gt within one second type a third lt Ctrl C gt WAIT at least one second and the cmd prompt should appear If your computer program has the capability you can also send a modem break to escape Transparent Mode assuming the command BREAK is set to ON See also command trans break CMSG ON OFF DISC Page 60 of 101 DWG ID 181 0101 00A Date 2003 09 26 default OFF When OFF the custom connect text stored in CTEXT will not be s
109. og Input 5 0 to 5 V dc Analog Input 6 O to 5 V dc Analog Input 7 0 to 5 V dc Analog Input 8 0 to 5 V dc Analog Output 1 0 to 4 995 V dc minimum 10 kQ load Analog Output 2 0 to 4 995 V dc minimum 10 kQ load Analog Output 3 0 to 4 995 V dc minimum 10 kQ load Analog Output 4 0 to 4 995 V dc minimum 10 kQ load D Digital ground of PCB uP Discreet Input 1 Discreet Input 2 Discreet Input 3 Discreet Input 4 Discreet Output 1 Discreet Output 2 Discreet Output 3 Discreet Output 4 Chassis ground PCB equivalent Analog inputs may be jumpered internally 249 Q resistor for two wire or three wire 0 to 20 mA range input Discreet inputs are pulled up internally to logic high of 5 V dc These inputs may be activated pulled low with relay contact open collector BJT or open drain FET Discreet outputs can handle up to 50 V dc and 115 mA dc open drain MOSFET Note Because of protection op amps which are rail to rail input and output devices the voltage to the uP internal 10 bit A D converters is limited to 4 950 V Connect grounds as follows Nomenclature Terminal Nr Use Terminal Nr All 1 DGND 5 AD 2 DGND 6 AI3 3 DGND 5 Al4 4 DGND 6 AI5 7 DGND 11 Al6 8 DGND 12 Al7 9 DGND 11 AI8 10 DGND 12 Page 22 of 101 DWG ID 181 0101 00A Date 2003 09 26 DII 16 DGND 18 DI2 15 DGND
110. onics may in its sole discretion provide you with upgrades of the SOFTWARE and or Documentation if you have provided Kantronics your completed Warranty registration with a copy of your receipt showing the amount you paid 3 7 6 Other LICENSEE ACKNOWLEDGES HAVING READ AND UNDERSTOOD THIS AGREEMENT AND AGREES TO BE BOUND BY ITS TERMS LICENSEE FURTHER AGREES THAT THIS AGREEMENT IS THE COMPLETE AND EXCLUSIVE STATEMENT OF THE AGREEMENT BETWEEN LICENSEE AND LICENSOR AND SUPERSEDES ANY PROPOSAL OR PRIOR AGREEMENT ORAL OR WRITTEN AND ANY OTHER COMMUNICATIONS RELATING TO THE SUBJECT MATTER OF THIS AGREEMENT 3 8 Limited Warranty KANTRONICS COMPANY INC Effective 2003 09 01 To receive notice of future updates or free copy of this manual please go to http www kantronics com NOTE Return of the Warranty Registration and proof of purchase is a pre condition to warranty coverage 3 8 1 WARRANTY Kantronics Co Inc Kantronics warrants to the first consumer purchaser you for the Applicable Warranty Period as described below that the Applicable Product as described below will be free from defects in material and workmanship 3 8 2 REMEDY Kantronics agrees that for any Applicable Product found by Kantronics to be in violation of the warranty within the Applicable Warranty Period it will at its option repair or replace the defective Applicable Product at no charge to you excluding in bound shipping charges 3 8 3 EX
111. otive electronics supply companies The dc power connector A2J6 is located on the front panel to the far left side Pinout is as follows Be sure you wire to the correct terminal on the mating connector Plug P1 in to A2J6 to make sure A2J6 pin out Terminal Nr Physical Position Description 1 Left terminal de voltage 2 Right terminal GND dc return Page 43 of 101 DWG ID 181 0101 00A Date 2003 09 26 The COMBICON type connector P1 has straight slot small screwdriver tightening clamp attachment for the wires The unit has reverse polarity protection and the wires can be easily swapped if needed The de power requirement is 8 5 to 15 V dc at less than 3 A Current demand is larger for the higher RF power settings It is suggested to use 18 AWG 11 2 GPS Antenna If your unit has a GPS receiver the GPS antenna transmission line connector E1P1 is attached to the GPS connector A2W1J1 that is on the front panel to the lower far right side 11 3 Serial VO The Serial I O connector A2J9 near the center of the front panel is for RS232 communications normally with a PC Be sure to use a shielded cable that is properly terminated See note in 4 4 FCC Notice concerning shielded cables The radio modem is considered a DCE unit Use a straight through RS232 cable and not a null modem cable 11 4 Antenna The ANT connector A1J1 located in the middle lower portion of the front panel is an N female
112. pping and handling Repair or DAMAGE to a unit whether accidental or otherwise is not covered by any warranty provided by Kantronics in which case normal repair charges will apply Contact the Service Department at e 785 842 4476 hours 8 AM to 12 noon and 1 PM to 5 PM Central Time e Or e mail at service kantronics com to obtain a Return Authorization number Repaired units will be returned via UPS or FedEx C O D if other payment arrangements have not already been arranged C O D charges can be avoided by providing payment information VISA MasterCard or Discover either at the time of the return authorization request or included with the unit when it is sent to be repaired Page 13 of 101 DWG ID 181 0101 00A Date 2003 09 26 3 11 International Returns This section applies to international returns only not to domestic returns In case of unit problems first contact the dealer from whom the product was purchased If a Kantronics product must be returned please observe the steps outlined below This will prevent unnecessary difficulties and expense for both the shipper and Kantronics All returns must be shipped to the factory at 1202 East 23rd Street Suite A Lawrence KS 66046 U S A The shipper must pay all expenses of returning items to Kantronics This includes any duty entry fees whether the return is for warranty or non warranty repair Usually the best way to return items to us is by mail However if using
113. put under most channel conditions The value of n is used to determine if a packet will be sent after SLOTTIME expires For example let s assume a PERSIST setting of 63 and a SLOTTIME setting of 10 This slottime setting corresponds to 100 milliseconds When the TALON detects that the channel is clear and available no carrier is detected it starts a timer SLOTTIME When the timer expires 100 ms in our case the TALON generates a random number between 0 and 255 If the generated number is equal to or less than the PERSIST value the TALON keys up the transmitter and sends the data packet With our setting of 63 the odds of this occurring after the first slottime are 1 in 4 Actually the probability is PERSIST plus 1 divided by 256 If the TALON generated random number is greater than PERSIST the TALON restarts the timer and waits for the timer to expire again before generating a new random number This is repeated until the TALON gains channel access and sends its packet of information Page 85 of 101 DWG ID 181 0101 00A Date 2003 09 26 Making SLOTTIME smaller will cause the TALON to generate the random number more frequently whereas raising the PERSIST value will give a better chance improve the odds of transmitting the data Through careful choice of these values it is possible to improve data throughput while at the same time permitting shared channel usage with other packet stations The persistence algorithm has been add
114. r settings which are cleared by performing a hard reset or use in violation of instructions furnished by Kantronics or of generally accepted industry practice Kantronics does not warrant that the functions contained in any software will meet your requirements or achieve your intended results or that operation of any software will be uninterrupted or error free or without effect upon other software used with it Responsibility for the selection of the hardware and software program to achieve your intended results rests with you 3 8 7 REMEDY PROCEDURE Should you need to make a warranty claim first contact the dealer from whom you purchased the product If the dealer is unable to assist you contact Kantronics Co Inc e By mail at 1202 East 23rd Street Suite A Lawrence Kansas 66046 USA e By fax at 785 842 2031 e By phone at our Customer Support number 785 842 4476 Hours 8 AM to 12 noon and 1 PM to 5 PM Central Time e Or by e mail at service kantronics com Contact us prior to returning an Applicable Product to receive a Return Authorization Number As a practical matter problems can often be solved in such a manner without the product having to be returned to Kantronics for repair or replacement Return of any Applicable Product for the enforcement of rights under this Limited Warranty shall be at your expense Any product returned for warranty service which Kantronics determines to be without defect or not covered by this Li
115. racters other than TRFLOW and TXFLOW when ON have no meaning to the TNC in transparent mode they are just data characters to be put in a packet and sent to the radio In Transparent Mode the PACTIME command defines when packets are transmitted There is no MONITOR function while in TRANSPARENT mode Only data from a connected station can be received 8 12 1 Exiting Transparent Mode Since Transparent Mode allows the sending of all characters only a special sequence of characters or a modem break will exit Transparent Mode The command called CMDTIME sets a timing of character entry that will allow the use of the COMMAND character in the special character sequence Three COMMAND lt Ctrl C gt characters must be entered within CMDTIME of each other with at least one CMDTIME before and after the special sequence Some terminal programs can send a MODEM BREAK signal which toggles the TXD line for a specific period of time that is longer than a standard character bit time This will Page 30 of 101 DWG ID 181 0101 00A Date 2003 09 26 also cause the TNC to exit TRANSPARENT mode as long as its command BREAK has not been set to OFF 8 13 Flow Control Both the computer and the TALON have fixed amounts of input and output buffer space Flow control prevents the loss of data in communication between the computer and a TALON If one of the devices has a nearly full input buffer it can signal the other device to stop sending data unti
116. ring character 9 is m character 3 is 1 character 8 is i e space character 12 is R character 22 is n and character 1 is T You must send the following in response to the string of numbers oe 99 mi RnT Page 89 of 101 DWG ID 181 0101 00A Date 2003 09 26 If correct you ll receive the MYREMOTE prompt prompt Note that case is significant and spaces are considered valid characters If you fail to properly decode the password the remote TALON will send three new lines of numbers You will be given a maximum of three attempts to properly decode the password string If you fail in three attempts the TALON will disconnect and will not accept another connect request for 15 min SCRAMBLE ON OFF FEC default OFF When set to ON transmit data is scrambled When set to FEC transmit data is scrambled with FEC forward error correction or redundant bits SCREENL n n 0 255 default 0 This value is used to format what is sent to your terminal A CR sequence is sent to the terminal at the end of a line when n characters have been printed A value of zero inhibits this action See also autolf SENDPAC n n 00 SFF default 0D lt Ctrl M gt CR or ENTER This command specifies a character that will force a packet to be sent in Convers Mode In the Convers Mode packets are sent when the SENDPAC character is entered or when PACLEN is achieved See
117. ropriately connect disconnect ack digipeat etc When the TALON is first turned on out of the box or after a hard reset it asks you for your callsign there is no default The callsign you enter for MYCALL is automatically used to compute other IDs too CWIDTEXT Changing MYCALL at the cmd prompt does not affect CWIDTEXT See also cwidtext digipeat id myalias and myremote MYDROP n n 0 15 default 0 This command sets the KISS address of the radio port in the TALON A KISS frame with the upper nibble of the command byte set to this value will address this TALON See also intface KISS operation section MYREMOTE xxxxxxx n n 0 8191 default blank This command sets the callsign used for remote access of the TALON Enter up to six characters plus optional SSID which are different than the one used for MYCALL In addition the RTEXT must be programmed with a text string A station that connects will be sent a series of numbers that must be decoded according to RTEXT See also rtext remote access section NEWMODE ON OFF default ON When ON the TALON will return to Command Mode if the station on the current I O stream disconnects The TALON will not return to Command Mode if the station disconnecting is on a different stream When OFF a disconnect will not cause the TALON to change modes See also connect disconnect status Page 83 of 101 DWG ID 181 0101 00A Date 2003 09 26 NOMODE ON
118. ror signal proportional to the frequency error is created which is routed to the frequency control input of the VCO This action locks the VCO to a frequency which is equal to the reference frequency multiplied by the divider number To set the VCO frequency different divider numbers can be programmed into the synthesizer In most synthesizer designs the divider must be an integer programmed into the synthesizer In most synthesizer designs the divider must be an integer which forces the reference frequency to be equal to the synthesizer step size The synthesizer IC used in this radio however allows the use of non integer values for the divider which in turn allows the reference frequency to be much higher than normal This creates a synthesizer whose output has lower noise lower spurious levels and higher switching speeds The reference frequency is derived by digitally dividing the frequency of the 14 4 MHz master oscillator When locked the VCO attains the same relative frequency stability as that of the master oscillator The VCO itself is a voltage follower Colpitts oscillator formed around Q108 One of the elements in the resonant circuit is a varactor diode CR106 whose capacitance when reverse biased varies as a function of the applied voltage Since the oscillator frequency is controlled by the resonant circuit varying the voltage on the varactor diode effects a change in frequency To serve as a local oscillator for the first fr
119. s Page 53 of 101 DWG ID 181 0101 00A Date 2003 09 26 Nomenclature VO Description All Analog 0 to 5 V dc high Z of protection op amp Jumper AI inputs selectable 249 2 1 resistor is included for 2 wire or AB 3 wire 0 to 20 mA dc input Protection op amp limits AI4 voltage to uP 10 bit A D converter to 4 950 V AIS Al6 Al7 AI8 DII Discreet 5 V CMOS logic inputs to uP Inputs are pulled up to a DI2 digital high May be activated pulled low with an open DI3 inputs collector BJT open drain FET switch or relay DI4 AOI Analog 0 to 4 995 V dc into minimum 10 KQ load AO2 outputs AO3 AO4 DO1 Discreet Open drain FET will handle up to 50 V dc and sink up DO2 outputs to 115 mA DO3 DO4 The circuit card assembly also has a D sub 9 female connector for a 2 RS232 serial port This serial port can be used for diagnostics while the unit is running and the serial port on the Controller CCA is in use Optionally the I O CCA can be supplied without U1 the RS232 transceiver IC so that a GPS Receiver CCA which uses the 2 RS232 port can be installed in the Talon UDC radio modem unit For pinout of the connectors on the I O CCA see section 7 13 TALON COMMAND SET All TALON commands are documented below in alphabetical order The underlined characters in a command s name show the short cut version of that command Required or optional parameters are shown after the command name as are allowable ranges
120. s entered in RTEXT As a simple example enter the command RTEXT aBcD Since there are only 4 characters in the line the numbers returned in the three lines of six numbers in response to a connect request to the MYREMOTE will only be 1 to 4 such as 113242 214431 431241 Page 31 of 101 DWG ID 181 0101 00A Date 2003 09 26 Selecting the first line the return entry would be aacBDB Upper and lower case characters must be entered exactly the same as they were in RTEXT numbers and spaces also count as a character Up to 128 characters can be entered in the RTEXT string When remote command access has been granted a prompt instead of cmd will be returned and commands to the remote TALON can then be sent Any command that causes a reset to occur will cause the connection in the remote TALON to be lost the same as when cycling its power off and back on leaving the local TALON still thinking it is connected to that remote station Enabling the CHECK command will cause the TALON to check for a lost link and will reset that stream when the connection is lost Proper care should be used when changing commands remotely as some commands can cause that remote TALON to stop communicating completely If three password attempts are made and failed when linked to the MYREMOTE callsign in a remote unit that unit will disconnect and will not respond to connect requests to the MYREMOTE callsign for 15 minutes There is a limitation on t
121. t cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation Page 16 of 101 DWG ID 181 0101 00A Date 2003 09 26 Cet appareillage num rique de la classe A r pond a toutes les exigences de l interf rence canadienne causant des r glements d quipement L op ration est sujette aux deux conditions suivantes 1 ce dispositif peut ne pas causer l interf rence nocive et 2 ce dispositif doit accepter n importe quelle interf rence re ue y compris l interf rence qui peut causer l op ration peu d sir e 5 PRODUCT INFORMATION The TALON UDC series of radio modems are wireless modems using four level frequency shift keying 4 LFSK modulation to meet compliance with FCC and other regulations for high speed data 5 1 Model Identification Kantronics P N 001 0009 01 001 0009 02 001 0009 11 001 0009 12 Model TALON UDC UHF TALON UDC UHF TALON UDC VHF TALON UDC VHF FCC ID B2FTALON U B2FTALON U B2FTALON V B2FTALON V Option Without GPS With GPS Without GPS With GPS Model Kantronics P N Frequency Range Baud Data Rate TALON UDC UHF 001 0009 01 450 470 MHz 4800 9600 BPS TALON UDC UHF 001 0009 02 450 470 MHz 4800 9600 BPS TALON UDC VHF 001 0009 11 148 174 MHz 4800 9600 BPS TALON UDC VHF 001 0009 12 148 174 M
122. tation and NOMODE is OFF When OFF connect requests from other TALONs will not be acknowledged and a lt DM gt packet will be sent to the requesting station The message connect request callsign of whoever is trying to connect to you will be output to your terminal if INTFACE is TERMINAL or NEWUSER When operating with multiple connects allowed the connection will take place on the next available stream Connect requests in excess of the number allowed by the USERS command will receive a lt DM gt response and the connect request call message will be output to your terminal if INTFACE is TERMINAL or NEWUSER See also conmode connect intface maxusers monitor nomode users CONPERM ON OFF default OFF Setting CONPERM to ON forces the connection on the current stream to become permanent and causes the TALON to attempt to reconnect when it is restarted CONPERMED connections are shown with P in the status display which is generated by the STAT command See also status CONVERS Immediate CONVERS has no options It is an immediate command and will cause entry into Conversational Mode from Command Mode on the current I O stream Any link connections are not affected Hint K is the same as CONVERS for quicker entry See also k command Page 63 of 101 DWG ID 181 0101 00A Date 2003 09 26 CPACTIME ON OFF default OFF When OFF and in the Convers Mode packets are sent when the SENDPAC character
123. te and optionally second Also notice that you need to use the order given here which has nothing to do with the format given in DATSTR for displaying date and time values For example to enter 2003 July 30 at 22 30 00 hours the value of the DAYTIME parameter would be 030730223000 In this case seconds were entered so the string is 12 characters long 2 characters for each of six pieces of information entered If DAYTIME is entered with no parameter the daytime is displayed using the format defined by the DAYSTR command Note If the TALON includes the GPS option the DAYTIME will be set automatically from the UTC time in the GPS data Hint If the time appears to be stuck check the current value of DAYSTR to be sure that the DAYSTR setting is being used to format the display of time and date and not in error to attempt to supply an actual date and time If this is not the case fix the problem and see if time and date displays work correctly See also cstamp daytweak daystr mheard and mstamp DBLDISC ON OFF default OFF When OFF only one disconnect command Disc need be given to terminate an unsuccessful connect attempt If you are actually connected the normal disconnect sequence will occur When ON a normal disconnect sequence will always occur you will not be disconnected until you receive an acknowledge of your disconnect or until the retry count is exceeded A second Disc command is required to force a
124. the RS 232 serial port for processing The received data format will be exactly the same as the data sent to the Control Modem by the application program The CONMODE parameter affects when data will be sent in Poll Mode If CONMODE is set to CONYERS default data will be transmitted when any of the following conditions is met The SENDPAC character is received by the modem The default SENDPAC character is a carriage return and can be changed to suit an existing application The SENDPAC character can be either stripped or appended to the data by setting the CR command ON to append or OFF to strip PACLEN is exceeded CAUTION MASTER Control Site operation will be unusable if PACLEN is exceeded since each packet of data sent MUST begin with a Slave Remote Site POLLID 0001 9999 Remote transmission may exceed the setting of PACLEN since each packet transmitted from the Remote will contain the proper POLLID If fragmentation of data occurs the application program is responsible for reconstructing the data PACLEN determines the maximum size of data packets default 128 characters Normally the amount of data to be transmitted will be considerably less than this CPACTIME is on and PACTIME expires If CPACTIME is ON data will be periodically transmitted based on PACTIME timeout Page 38 of 101 DWG ID 181 0101 00A Date 2003 09 26 If CONMODE is set to TRANS data will be transmitted when PACLEN is exceeded or PACTIME expires
125. the data received by the modem Since these packets do not begin with a POLLID they will be ignored by all Remote modems Page 37 of 101 DWG ID 181 0101 00A Date 2003 09 26 Control Site Receive Format All Remote transmissions received by the Control modem shall consist of the Remote POLLID followed immediately by the Remote data Both POLLID and data will be sent to the control DTE via the RS 232 port 9 5 2 1 2 Remote Site Remote Site Configuration The POLLID command in each of the Remote modems must be set to a different number between 0001 and 9999 This assures that data is received by just one remote device The INTFACE command in each modem must be set to POLL See Entering POLL Mode below Remote Site Transmit Format Remote sites generally do not have much computing capacity Therefore the transmitted format of the data is of necessity straightforward All data received via the serial port will be formed into packets and transmitted with the address POLLID attached to the beginning of each data packet Remote Site Receive Format All data received by the Remote via the radio is first examined for errors using a CRC 16 error checking algorithm Data packets that contain errors are discarded If the data contains no errors it is then checked for a match of the received POLLID and its own POLLID If there is not a match the data is discarded If there is a match the POLLID is stripped and the raw data is passed to
126. tions between the computer serial RS232 port and the TALON UDC unit e Ifthe cables were purchased from a third party source double check to be sure that they conform to the wiring instructions in this manual e Verify the serial baud setting in the terminal program e It may be useful to perform a Hard Reset If service or repairs still appear necessary after checking the items listed above it may be wise to call fax email or write Kantronics to determine if the problem can be solved without returning the unit The Kantronics web page also includes a FAQ section with a list of common problems and solutions 3 9 2 Return Procedures When calling the service department have the following information available e The unit name and serial number the serial number is found on the bottom of the unit e The firmware version number the version number is displayed in response to the VERSION command e The steps that have been taken to determine that the problem is with the TALON UDC unit 3 9 3 Service department contact information Kantronics Co Inc 1202 E 23rd Street Suite A Lawrence KS 66046 Page 12 of 101 DWG ID 181 0101 00A Date 2003 09 26 The Service Department telephone hours are 8 AM to 12 noon and 1 PM to 5 PM Central Time Monday through Friday Telephone access to the service department is not available outside the stated hours Phone 785 842 4476 8 AM to 12 noon and 1 PM to 5 PM central time
127. tween beacons Page 71 of 101 DWG ID 181 0101 00A Date 2003 09 26 If EVERY is specified the current position information will be transmitted at the interval specified by the hh mm ss parameter This is set in h min s If the optional key word START is given followed by a time in 24 h format the beacon will not be transmitted until the specified time Thereafter the beacon will be transmitted according to the setting of the EVERY parameter NOTE If the current time is past the start time the beacon will start at the next scheduled interval based on the start time For example setting GBEACON EVERY 00 15 00 START 00 05 10 would cause the location beacon to be transmitted every 15 min with the first transmission each day occurring at 00 05 10 If the OR parameter is specified instead of START the beacon will be sent when the EVERY timer runs out or the vehicle has moved m meters since the last beacon whichever comes first If AFTER is specified the beacon will be transmitted once after no activity is detected on the channel for hh mm ss time Selecting AFTER does not allow the optional START or OR parameter If the option CLEAR is specified the buffer is cleared after transmission This will prevent copies of NMEA position data from being retransmitted at the next beacon interval See also chfree gtext and gpath GPATH dest via call1 call2 default GPS This command sets the destination callsign and the digipeat
128. ut of Transparent send the TALON a modem break if BREAK is ON or see CMDTIME for a special keyboard sequence See also break cmdtime and command TRFLOW ON OFF default OFF This command allows the TALON to respond to software flow control from the computer while in the Transparent Mode When TRFLOW is OFF software flow control is not used in the Transparent Mode The TALON will expect hardware flow control from the computer The computer program needs to use hardware flow control and the RS232 cable needs to be wired with CTS and RTS connected When ON software flow control is enabled and the START and STOP characters are sent by the computer to the TALON to control the flow of data When START and STOP are set to 00 hardware flow control must be used If not zero the TALON will respond to the computer s START and STOP characters and remain transparent to other characters from the terminal or computer for flow control When START and STOP are set for software flow control normally lt Ctrl Q gt and lt Ctrl S gt all characters can be received in Transparent Mode including the START and STOP characters by setting TRFLOW ON and TXFLOW OFF You will not however be able to send the START and STOP characters since the TALON will interpret them as flow control See also trans txflow and xflow TRIES n n 0 15 The TRIES command will display and optionally set the number of attempts which have been made to re send a
129. ver list was there before The LLIST command can be used to add a single callsign callsign so long as there is room for the new callsign on the list if there is not the TALON responds with EH and returns you to the command prompt Similarly you can remove a single callsign callsign from the list And to remove all items from the current list enter LLIST NONE A callsign entered without a SSID will match any SSID of that callsign To match a specific SSID only enter the callsign with that SSID for example callsign n where n 0 8191 LOCATION Immediate Displays the current location information MALL ON OFF default ON When ON monitored packets include connected and unconnected packets between other stations If OFF only other station s unconnected packets UI frames will not be displayed This is a useful arrangement when stations are talking as a group in an unconnected configuration See also monitor MAXFRAME n n 1 7 default 4 MAXFRAME sets an upper limit on the number of unacknowledged information packets which can be outstanding at any one time The TALON will send MAXFRAME number of packets in a single transmission if they are available See also paclen MAXUSERS n n 0 10 Page 77 of 101 DWG ID 181 0101 00A Date 2003 09 26 default 1 This command causes the TALON to allocate the memory required for the maximum number of simultaneous connections you wish to allow Each con
130. which indicates the frame type command data etc and sent or received data The TALON retains all of its commands and functions in Host mode Host mode uses Hardware flow control only and requires that the serial cable that connects the TALON to the computer include the RTS and CTS lines as well as TXD RXD and signal ground 9 2 2 Exiting Host mode If a Host mode program has been used to operate the TALON it may leave the TALON in Host mode when it exits If a standard terminal program is then used set to the same interface baud to communicate with the TALON instead of a sign on message some characters and S will be displayed This is the Host mode current status message The Host mode program should have an option to return the TNC to COMMAND or TERMINAL mode when that program exits If the program is configured to do this other standard terminal programs can then be used If the terminal program allows entry of high numbered ASCII characters a sequence of characters can be sent to exit Host mode so the terminal program can then be used First make sure the terminal program is set to the proper interface baud rate Then send a FEND frame end character ASCII code 192 or Hexadecimal 0xC0 then the letter q upper or lower case is ok and finally another FEND character A FEND character can be entered manually by pressing and holding the ALT key entering 192 from the number key pad on the right side of the
131. witches are on and delays driver stage and T R switch shutdown until the PA module has ramped down in power This prevents keyclicks from abrupt transmitter turn on and turn off 12 2 Ritron s UHF Radio XCVR A1A1 12 2 1 Receiver 12 2 1 1 RF Amplifier and Band pass Filters The incoming RF signal from the input connector J101 passes backward through the transmitter low pass filter and the electronic T R switch to a two pole band pass filter formed around L101 and L102 This filter is of Cohn type with 1 5 dB insertion loss and a bandwidth of 25 MHz This filter is followed by a low noise amplifier stage formed around Q101 This amplifier has a gain of about 17 dB with a noise figure of 2 dB and serves to amplify the incoming RF signal above the noise of the following stages Following this stage is a four pole Cohn filter formed around L103 through L106 This filter has an insertion loss of 4 dB and a bandwidth of 25 MHz The two filter sections Page 48 of 101 DWG ID 181 0101 00A Date 2003 09 26 are narrow enough to filter out the spurious responses of the first frequency converter while wide enough to support a performance bandwidth of 20 MHz 12 2 1 2 1 Frequency Converter 1 IF Filters and 1 IF Amplifier IC101 is an active double balanced frequency converter which converts the incoming RF signal to the first IF of 43 65 MHz This frequency converter has a gain of 0 dB anda noise figure of 10 dB Its differential output is m
132. wn until the PA module has ramped down in power This prevents keyclicks from abrupt transmitter turn on and turn off 12 3 Controller CCA A2 The Controller CCA uses a Motorola microprocessor uP U1 to process and control information for the radio modem The in circuit serial programming ICSP connector J5 is used only at the factory to install the boot loader program The uP has flash memory that can be updated through the Serial I O port J9 The uP U1 communicates with the Serial I O port J9 via RS232 transceiver US The Serial I O port J9 is used to communicate with the uP U1 via a RS232 cable to a PC running any communications program such as HyperTerminal in Windows Page 51 of 101 DWG ID 181 0101 00A Date 2003 09 26 If J8 is jumped the system will come up in the Maintenance Program mode when turned on where the frequency of operation is set and various transmit and receive levels are adjusted and set If J8 is not jumped then the system will come up in its Operation mode The uP U1 communicates with a four level frequency shift keying 4 LFSK modem IC U3 The modem IC U3 provides the four level coded signal to FSK modulate the radio transceiver transmitter and decode the demodulated FSK signal from the radio transceiver receiver Because of de offsets and to minimize bit error rate the TX and RX paths are de coupled The four level coded signal emanates from the modem IC at terminal 20 U3 20
133. y The string specified by the CWIDTEXT command will be sent in Morse code See also mycall cwidtext Page 65 of 101 DWG ID 181 0101 00A Date 2003 09 26 CWIDTEXT text up to 15 characters default mycall This command sets the text to be transmitted when the TALON performs an automatic CWID The text will be transmitted at the interval specified by the CWID command See also cwid DAYSTR text default mm dd yyyy hh mm ss The DAYSTR command is used to set the display FORMAT of your date time display DO NOT enter an actual date or time simply enter the form of the display you would like using the lower case letters m d h y and s as described below The format you enter is used for all time stamps including the MHeard list The lower case characters m d y h and s have special meaning to this command and will be replaced with data from the software clock The lower case m will be replaced with the minutes the first time it appears after a lower case h If h m y d or s is specified as a single character the corresponding date time element will be displayed as a single digit if the value is less than 10 Entering two characters will force a two digit display for values under 10 If the month is entered as three ms i e mmm it will be displayed as the first three characters of the month name JUL You may also enter any other text you wish allowing you to add such things as your time zone Remember that ALL lower c

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