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RV-M7 Technical Manual

8

3.

Specifications

3.1 General

All measurements made per TIA-603-B

Frequency:

Model RV-M7-VA (Non-US Frequency; except military) ............................................. 136 - 155MHz
Model RV-M7-VB.......................................................................................................... 150 - 174MHz
Model RV-M7-UA (Non-US Frequency) ........................................................................ 403 – 434MHz
Model RV-M7-UB (Non-US Frequency) ........................................................................ 419 – 440MHz
Model RV-M7-UC ......................................................................................................... 450 – 480MHz
Model RV-M7-UD (Non-US Frequency) ........................................................................ 470 – 512MHz

Size .......................................................................................................... 4.60” X 2.60” X .956 (11.7cm X 6.6cm X 2.43cm)

Weight

................................................................................................................................ 6 ounces (0.17kg)

DC input voltage

............................................................................................................................................ 10-16V DC

Internal fuse

............................ 3A mini blade. Littlefuse part number 0297003 or Raveon part, number 1X726-3

FCC ID

Model RV-M7-UC-N...................................................................................................... SRS-RV-M7-UC
Model RV-M7-VB................................................................................................................ SRS-M7-VB
All other models for export or OEM use

3.2 Transmitter

See Individual product data sheets for RF specifications

3.3 Receiver

See Individual product data sheets for RF specifications

3.4 User Input and Output Signals

Serial port baud rates .................................................................. 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200

Voltage levels

..................................................................................... RS-232, RS-422, and RS-485 complaint levels

Modem handshake signals ............................................................................................................. RTS, CTS, DTR, DSR, CD

RF I/O

......................................................................................................................................... 50 ohm BNC

Power

........................................................................................................................... B+ input and Ground

Power Connector ........................................................................................ Phoenix 18 36 18 9 ( Raveon P/N 1J165-3 )

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Содержание RV-M7

Страница 1: ...RV M7 Data Radio Modem Technical Manual Version E2 November 2014 IP65 Weatherproof Version Raveon Technologies Corporation www raveon com...

Страница 2: ...atherproof Version 12 Power Cord 12 4 5 RS 232 serial cable for WX version 14 4 6 Optional EIA 485 RS 485 Serial I O 15 RS 485 Connector Pin Out 15 Configuring 15 Bias and Termination Resistors 16 4 7...

Страница 3: ...al Data Flow Control 44 7 6 Setting the Over The Air Data Rate 45 8 Installation 47 9 FCC Licensing Information 47 10 Debug Related Commands 48 11 M7 Diagnostic Provisions 50 11 1 Overview of Diagnost...

Страница 4: ...nual handy for quick reference in case questions arise later on 1 2 NOTICE Besides the fuse there are no user serviceable points inside this transceiver All service work must be referred to your Autho...

Страница 5: ...ehicle mount configurations or at fixed base station sites It is not intended for portable applications This radio is restricted to occupational use work related operations only where the radio operat...

Страница 6: ...bpart J of the FCC rules and regulations The Federal Communications Commission FCC with its action in ET Docket 93 62 has adopted a safety standard for human exposure to Radio Frequency RF electromagn...

Страница 7: ...rket its re programmability makes it extremely versatile Most parameters within the modem may be re configured to optimize it for specialized operations extended range or higher data throughput 2 1 Fe...

Страница 8: ...DC Internal fuse 3A mini blade Littlefuse part number 0297003 or Raveon part number 1X726 3 FCC ID Model RV M7 UC N SRS RV M7 UC Model RV M7 VB SRS M7 VB All other models for export or OEM use 3 2 Tra...

Страница 9: ...e a The band V 136 174MHz U 406 512MHz b Sub band A B C c Channel Spacing blank 12 5kHz W 25kHz oo Options GX for GPS WX for waterproof enclosure Other frequency bands power levels and channel spacing...

Страница 10: ...d mode this LED will blink on and off once per second 4 2 DC Power DC power for the modem is connected to the 2 pin DC power input jack labeled DC IN Use the supplied cable to connect the DC power The...

Страница 11: ...out Receive data Data out of the modem 3 TxD in Transmit data Data into the modem 4 DTR in Data terminal ready Normally ignored by the M7 modem May control the power state of the modem in low power m...

Страница 12: ...RS 232 operation use the ATIO 0 command RS 232 is the default operation mode for the connector RS 485 is a factory option See the next section for details on the RS 485 option 4 4 WX IP65 rated weath...

Страница 13: ...RV M7 Technical Manual 13...

Страница 14: ...e for WX version The RS 232 serial cable uses at Hirose connector part number HR30 6P 6S 71 B RS 422 Connector Pin Out on WX 5 Pin Circular Connector If the RS422 option is installed in the M7 WX opti...

Страница 15: ...Out DC Power DC Power in or out if unit is powered using DC in jack The RS 485 differential line consists of two pins A and B A TxD RxD non inverting pin which is positive compared to B when the line...

Страница 16: ...on various types of equipment The RS 485 signaling specification states that signal A is the inverting or pin and signal B is the non inverting or pin The same naming is specified in the NMEA standard...

Страница 17: ...inverting data out 8 9 Vin In Out DC Power DC Power in or out if unit is powered using DC in jack Configuring for RS 422 To configure the M7 modem for RS 422 operation use the ATIO 4 command You must...

Страница 18: ...al DTR negated means it is a negative voltage A voltage less than zero volts applied to DTR will turn the M7 off by putting it into LPM To assert the DTR signal turn the modem on the DTR line must be...

Страница 19: ...BT and AT times are 500mS The default sequence for entering into AT Command Mode 1 No characters sent for a second 2 Input three 3 plus characters within of a second 3 No characters sent for a second...

Страница 20: ...dio Manager Radio Manager is a Windows XP Vista software application that is used to configure Raveon s data radio products It is compatible with all Raveon radio models and provides configuration man...

Страница 21: ...n operational state The CONFIG button is located inside the modem Remove the rear cover exposing the two circuit boards The button is in the center of the lower circuit board as shown below The defaul...

Страница 22: ...3 Time Out After a pre set amount of time 60 seconds is the factory default time the modem will automatically exit the Command Mode and continue normal operation Changes will not automatically be sav...

Страница 23: ...disable the BCL If enabled the modem will not transmit on a radio channel that is busy has RF on if 0 OFF 1 ON Range 0 1 0 ATBT Silence BEFORE Sequence Sets period of silence before the command seque...

Страница 24: ...exits the command mode and goes on line See technical bulletin AN163 for more information about this command Range 0 FFFF ATDT Destination Address to call Sets address of the modem to send data to Not...

Страница 25: ...ory Range 1 6 1 ATHS Show History Show a table of listing the most recent receptions and the IDs that the data was sent from No parameter ATHX Enable Disable single hop repeating 0 any number of repea...

Страница 26: ...red RF power level 0 100 100 ATR0 Symbol Peak Deviation Set the peak FM deviation of the transmit symbols Note This can be a negative number to invert the modulation Range 1000 1000 120 ATR1 Select CD...

Страница 27: ...off 1 ATS120 Set Data Framing Pre Data Time When enabled set to anything but 255 sets the pre data time for CD Data Framing See 15 1 for more information 0 254 Enabled 255 Disabled 255 ATS121 Set Data...

Страница 28: ...bbbb S A Mask cccc Destination Address dddd D A Mask ATXR Enable Disable Store and Forward Repeating 0 disabled 1 enabled 0 or 1 0 Off ATXT Read set repeater delay Read or set the repeater delay This...

Страница 29: ...air See M7 System Protocol manual for information on using this feature SHOW Show display an overview of the radio s configuration None 5 11 Factory Default Settings For the UHF M7 model RV M7 Ux the...

Страница 30: ...RV M7 Technical Manual 30...

Страница 31: ...essing Packetized operation allows for a more versatile network architecture with source destination and network addresses M7 uses a 16 bit address to identify data packets 4 No Dribble Data Even in t...

Страница 32: ...to the 9 pin I O connector The factory default serial ports settings are 9600 bps 8 data bits 1 stop no parity 4 Program the modem s operating frequency to your desired operating frequency This is do...

Страница 33: ...red in MHz as long as you use a decimal point For Example enter ATFX 450 1 to set the channel frequency to 450 100MHz Alternately you may enter the frequency in hertz by entering ATFX 450100000 You mu...

Страница 34: ...y be set with the ATTT xx command Once the modem receives one full packet of data into via the serial port it will automatically key the transmitter and send the data Factory default is 80 bytes The M...

Страница 35: ...d With these settings by default all M7s will talk to and hear all other M7 radio modems Group Numbers By default the M7 s Group Number is 0 Group 0 means ignore the group numbering The Group Number i...

Страница 36: ...the units that have IDs starting with 0xxx will only hear other radios with IDs that start with 0xxx Broadcast Transmissions The double FF is used to identify a broadcast packet A transmission with tw...

Страница 37: ...ult the M7 does not use the Listen Address If you would like an M7 to transmit using ID 1234 but also be able to receive data sent to ID 5555 then you could set the MYID to 1234 ATMY 1234 enter and th...

Страница 38: ...7 modem has a built in error correction mode commonly referred to as Automatic Repeat request ARQ It works by checking each reception for errors and if the data is OK it sends a short ACK packet back...

Страница 39: ...Each M7 is capable of not only sending and receiving data from to its serial port but also re transmitting data packets it receives over the air data Automatic Repeater Configuration The easiest way t...

Страница 40: ...D C and G To solve this problem some of the M7 modems are configured as repeaters The still are able to send and receive data but they also will repeat data out to the modems that are out of range of...

Страница 41: ...ntries in its Repeater Table The command to set the two entries is ATX1 1020 FFFF 1000 FFFF ARX2 1000 FFFF 1000 FFFF The first command above sets the Repeat Source to 1020 and the Repeat Destination t...

Страница 42: ...equest there is a delay as they send data in out of their serial ports and during this delay the repeater can do its thing 3 Increase the serial port time out value from 20mS to say 250mS ATR3 250 The...

Страница 43: ...data to send The transmitter will automatically key when data enters the modem and there is no need to assert any control lines It will automatically de key when there is no more data to send Figure...

Страница 44: ...lly put the end of message signal out after the user s data has been transmitted If the receiving modem does not receive this signal due to noise or interference the receiving modem may continue to ou...

Страница 45: ...25kHz 2 RV M7 UC N RV M7 UC W RV M7 UC S 9600bps R2 8 12 5kHz or 25kHz 4 RV M7 UC N RV M7 UC W Changing the over the air data rate will change the sensitivity of the receiver Higher data rates requir...

Страница 46: ...mal bit error rate vs receive sensitivity RV M7 UC W wide band version For high speed operation set R2 to 5 9600 baud For best range longest distance set R2 to 1 1200 baud Other data rates of 0 800bps...

Страница 47: ...e antenna and the M7 chassis to an earth ground 9 FCC Licensing Information M7 radio modems operate on radio frequencies that are regulated by the Federal Communications Commission FCC In order to tra...

Страница 48: ...com 10 Debug Related Commands 1 1 1 1 Bench Testing Must be in command mode to test Enter at the keyboard to put unit into config test mode ATTD x Various transmit test routines 0 Go back to normal mo...

Страница 49: ...e It will output the number of packets received in the last minute as well as the running total T ATPE Begin counting and displaying the packet counters every minute ATPE 1 Reset the packet counters b...

Страница 50: ...operation statistics that it maintains All statistics start counting at 0 The ATST 1 command can be used to reset all statistics back to 0 except the run time timers Other operation and configuration...

Страница 51: ...RV M7 Technical Manual 51 ST9 Reset all statistics counters OK ST10 Statistic Read Returns numeric values comma separated of all statistics as described in the ST command Run time display screen...

Страница 52: ...pear 11 5 ATST2 Command The ATST2 command will return additional lower level statistics RF FIFO overruns nnn number of times the modem was too busy to receive data over the air Wrong address nnn packe...

Страница 53: ...s the user is trained in radio test and calibration the values stored in the R registers should not be modified Radio calibration and alignment is performed using the ATRx commands Improper adjustment...

Страница 54: ...e air baud rate Refer to section 7 6 for information on how to set the OTA baud rate Range 0 800 5 9600 2L 1 1200 6 19200 4L 2 2400 7 5142 2L 3 4800 8 9600 4L 4 8000 4L 9 2000 2L 3 R3 Serial Port time...

Страница 55: ...signal on an oscilloscope The frequency response of the demodulated FM signal must be greater than 10Hz to 5kHz without any de emphasis 2 Transmit random data on the center of the band using the ATDT...

Страница 56: ...command The default MYID of the SkyLine was 1234 TOID FFFF The TOID of the M7 modem is set with the ATDT command or the TOID command The default TOID of the SkyLine was FFFF broadcast address A quick...

Страница 57: ...o waves will penetrate buildings and reflect off and around obstacles but the fewer obstacles between stations the better the signal quality Gain Antennas are specified by their gain They actually do...

Страница 58: ...it wants to receive data from the M7 modem The M7 modem will not output data unless this pin is low or Flow Control has been disabled in the modem set up When a DTE such as a PC or microcontroller wan...

Страница 59: ...signal If the DTR line is enabled for use using the ATK5 1 command the DTR input line can be used to put the M7 modem into its SLEEP mode With DTR enabled anytime the DTR line is a logic 0 the M7 wil...

Страница 60: ...male cable Connector 1 Connector 2 Function 2 3 Rx Tx 3 2 Tx Rx 5 5 Signal ground 15 3 Compatibility issues There is a problem if either of the two devices checks the DSR or CD inputs These signals no...

Страница 61: ...request anymore The lines are purely used for telling the other side if communication is possible The main advantage of this cable is that there are two signaling lines in each direction Both the RTS...

Страница 62: ...and 2 The unit that receives the over the air MIMIC message and sets its digital outputs to match the inputs of the sending station This function is enabled with the ATIO 1 command ATIO 1 configures t...

Страница 63: ...M7 If the TX LED blinks the M7 is transmitting data Every time data enters the modem the TX LED should blink Solution 2 Verify that serial port timeout is OK The ATG0 command sets the number of micro...

Страница 64: ...program to verify this is the issue Symptom Modem appears dead Solution 1 Verify the power is on When the modem has good DC power the PWR LED will blink once per second If it is not blinking either th...

Страница 65: ...RV M7 Technical Manual 65 18 Mechanical...

Страница 66: ...mage during shipment l that the Product will be free from any claim for infringement of any patent trademark copyright or other proprietary right including trade secrets RAVEON TECHNOLOGIES INCORPORAT...

Страница 67: ...the original sales receipt or invoice showing the date location and price of purchase Include a written description of the problem with the product a phone number and name of person who may be contac...

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