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Page 38 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 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.

Содержание TALON UDC SERIES

Страница 1: ...1 0101 00A Date 2003 09 26 KANTRONICS RADIO MODEM USER MANUAL Kantronics Co Inc 1202 E 23rd Street Suite A Lawrence Kansas 66046 Phone 785 842 7745 Fax 785 842 2031 Web http www kantronics com TALON U...

Страница 2: ...Page 2 of 101 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...

Страница 3: ...REMEDY 9 3 8 4 DISCLAIMER 10 3 8 5 APPLICABLE PRODUCTS AND PERIODS 10 3 8 6 EXCLUSIONS 10 3 8 7 REMEDY PROCEDURE 11 3 8 8 NON ASSIGNMENT 11 3 8 9 OTHER RIGHTS 11 3 9 Return Repair Procedures 11 3 9 1...

Страница 4: ...5 Selective Monitoring 26 8 6 Digipeating 26 8 7 Advanced Digipeating 27 8 8 Multi Connects 28 8 9 Timing 29 8 10 FRACK Frame Acknowledgment Time 29 8 11 Retries in AX 25 Level 2 Version 1 vs Version...

Страница 5: ...Operation 42 10 3 Data Telemetry SCADA Text 43 10 4 Digipeating 43 11 INSTALLATION 43 11 1 Dc Power 43 11 2 GPS Antenna 44 11 3 Serial I O 44 11 4 Antenna 44 11 5 Mounting of Unit 44 11 6 Input Outpu...

Страница 6: ...ly 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 Kant...

Страница 7: ...___________________________________________ State _______________________________ Zip Postal Code ____________________ Country _______________________________________________________________ Contact P...

Страница 8: ...3 7 2 Term This License Agreement is effective until terminated You may terminate this Agreement by returning or destroying the unit and destroying the documentation You may not rent or lease the SOF...

Страница 9: ...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 RELATI...

Страница 10: ...ARRANTY 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 are of...

Страница 11: ...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 e...

Страница 12: ...rogram 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...

Страница 13: ...antronics 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 t...

Страница 14: ...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...

Страница 15: ...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...

Страница 16: ...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 f...

Страница 17: ...tronics 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 T...

Страница 18: ...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 dc 50 mV rms noise Supply Current 13 8 V dc RX maximum 100 mA TX maximum 6 W 2 5...

Страница 19: ...cy 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 E...

Страница 20: ...imum 70 dB Intermodulation Rejection minimum 70 dB Conducted Spurious maximum 57 dBm Receive Attack Time TX to RX maximum 15 ms RSSI Squelch Attack Time maximum 5 ms Group Delay Variation w in Frequen...

Страница 21: ...h 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 AI1 AI3 DGND AI5 AI7 DGND DI4 DI2 DGND DO4 D...

Страница 22: ...Input 3 DI4 Discreet Input 4 DO1 Discreet Output 1 DO2 Discreet Output 2 DO3 Discreet Output 3 DO4 Discreet Output 4 GND Chassis ground PCB equivalent Analog inputs may be jumpered internally 249 1 r...

Страница 23: ...t 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 networ...

Страница 24: ...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 retu...

Страница 25: ...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 fun...

Страница 26: ...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...

Страница 27: ...digipeater functions work only with UI unconnected information type packets The command UIDIGI may be used to set up to four additional aliases call signs for special Digipeating service To be digipea...

Страница 28: ...e 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...

Страница 29: ...LOTTIME algorithm helps avoid packet collisions by randomizing the wait time before transmitting By using this random timing it is less likely that any two TALONs will transmit at the same time causin...

Страница 30: ...ackets are use such as rr0 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 thr...

Страница 31: ...o 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 comp...

Страница 32: ...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 mi...

Страница 33: ...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 conf...

Страница 34: ...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 comput...

Страница 35: ...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 se...

Страница 36: ...e 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...

Страница 37: ...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...

Страница 38: ...ere is not a match the data is discarded If there is a match the POLLID is stripped and the raw data is passed to the RS 232 serial port for processing The received data format will be exactly the sam...

Страница 39: ...ommand 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...

Страница 40: ...ceiving 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 rad...

Страница 41: ...ming the TALON UDC for different types of applications Before programming the unit do the following preliminary setup Connect the ANT port to a 50 RF dummy load of adequate power handling capability a...

Страница 42: ...mber 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 broad...

Страница 43: ...ecommended 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 protect...

Страница 44: ...o 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 mode...

Страница 45: ...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 A1 and A2 assemblies with the A2A1 GPS RCVR added as an...

Страница 46: ...equency 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...

Страница 47: ...n 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 re...

Страница 48: ...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 I...

Страница 49: ...he 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...

Страница 50: ...g 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 maste...

Страница 51: ...et 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...

Страница 52: ...trolled potentiometer U2F adds a dc offset to the AR1C op amp stage The output of AR1C can be set for the proper signal level to drive the transmitter to the proper deviation The dc offset level of 2...

Страница 53: ...ital 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 th...

Страница 54: ...drain FET will handle up to 50 V dc and sink up to 115 mA The circuit card assembly also has a D sub 9 female connector for a 2nd RS232 serial port This serial port can be used for diagnostics while...

Страница 55: ...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 s...

Страница 56: ...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 t...

Страница 57: ...n n 0 255 default Every 0 The value entered for n is the number of minutes i e one minute intervals to use with the beacon command A value of 0 turns the beacon OFF Setting a value greater than 0 acti...

Страница 58: ...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 res...

Страница 59: ...tering this character will cancel all keyboard input back to the last unpassed SENDPAC character unless PACTIME has expired and CPACTIME is turned on This character also functions as a cancel output c...

Страница 60: ...to enter the COMMAND character e g Ctrl C 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 v...

Страница 61: ...cluding 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...

Страница 62: ...specified as n where n 1 15 The digipeat callsigns are specified in the order in which they are to relay transmitted packets The mode set by CONMODE will be entered upon successful connect if NOMODE i...

Страница 63: ...s 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 DM response and the connect request call mess...

Страница 64: ...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 th...

Страница 65: ...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...

Страница 66: ...lement 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 b...

Страница 67: ...s 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...

Страница 68: ...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 DI...

Страница 69: ...oid 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 Th...

Страница 70: ...lt 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 ch...

Страница 71: ...ON 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 a...

Страница 72: ...he 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 NME...

Страница 73: ...fied 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 t...

Страница 74: ...lay 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 entering...

Страница 75: ...OST 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...

Страница 76: ...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 c...

Страница 77: ...OCATION 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...

Страница 78: ...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...

Страница 79: ...ether 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 w...

Страница 80: ...s 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...

Страница 81: ...sequence number RRr Receive Ready r received sequence number In addition the following bracketed information will be added to the Information packets as appropriate Isr Information frame connected s...

Страница 82: ...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 c...

Страница 83: ...tface 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 differ...

Страница 84: ...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 trans...

Страница 85: ...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 throughput...

Страница 86: ...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 def...

Страница 87: ...ts 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 o...

Страница 88: ...ult 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 re...

Страница 89: ...u connect to the MYREMOTE the TALON would send three sets of random numbers The numbers would look like 5 20 14 7 18 3 7 1 4 14 8 19 9 3 8 12 22 1 You must then pick ONE of these lines and decode the...

Страница 90: ...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 FF default...

Страница 91: ...tatus 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 numb...

Страница 92: ...e 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 i...

Страница 93: ...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...

Страница 94: ...analog inputs 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 sign...

Страница 95: ...ill 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...

Страница 96: ...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 to receive the START and STOP characters sin...

Страница 97: ...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 ins...

Страница 98: ...o 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 comman...

Страница 99: ...e to stop sending data to the TALON See also xflow xon XON n n 00 FF default 11 Ctrl Q This command selects the character sent by the TALON to the computer to restart input from that device If set to...

Страница 100: ...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 specifi...

Страница 101: ...nput 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 shor...

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