Motorola VRM 500 Owners And Installation Manual Download Page 1 | Manualshive

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Summary of Contents for VRM 500

Page 1: ... MOTOROLA VRM 500 Vehicular Radio Modem Owner s Installation Manual 68P02943C70 Q IIIII 11111111111111111111111111111111111111111111111111111 ...

Page 2: ...g IL 60196 1 OVERVIEW 1 2 HARDWARE DESCRIPTION 2 2 1 FRONT PANEL LEDs 2 2 2 REAR PANEL CONNECTORS 3 2 2 1 DTE to VRM 500 3 2 2 2 Auxiliary to Modem 3 2 2 3 Radio to Modem 3 1 UNPACKING 2 INSTALLATION 2 1 INSTALLATION PLANNING 2 2 VEHICLES EQUIPPED WITH AIR BAGS 2 3 RECOMMENDED TOOLS FOR INSTALLATION 2 4 SINGLE BRACKET INSTALLATION 2 5 ELECTRICAL CONNECTIONS 1 GENERAL ff 2 DISPOSAL REQUIREMENTS 3 E...

Page 3: ... Signals and Connections 4 2 1 2 RS 232 Auxiliary Signals and Connections 4 2 1 3 CMOS Signals and Connections 4 2 1 4 Radio and Power Connections 4 2 2 RS 232 INTERFACE 4 2 3 DSP56156 5 2 4 DATA TRANSMIT PATH 5 2 5 DATA RECEIVE PATH 5 2 6 POWER SUB SYSTEM 5 2 7 LITHIUM BACKUP 5 1 GENERAL 2 CHECKING AND CLEANING THE VRM 500 3 TROUBLESHOOTING 3 1 GENERAL 3 2 TEST AND SERVICE EQUIPMENT 3 3 TESTING T...

Page 4: ...xploded View Mechanical Parts List 3 LIST OF TABLES GENERAL DESCRIPTION Table 1 Power LED Red 2 Table 2 LED 1 Amber 2 Table 3 LED 2 Green 2 Table 4 LED 3 Amber 2 Table 5 LED 4 Green 2 FUNCTIONAL DESCRIPTION Table 1 DTE Connector J4 4 Table 2 Direction of DTE Interface Signal Lines 4 Table 3 RS 232 Auxiliary Connector J5 4 Table 4 DTE CMOS Level Connector J3 4 Table 5 Radio and Power Connector J2 4...

Page 5: ...ignal polarity is active Jow default programmable DTE port RS 232 DB 9 receptacle female AUX DB 9 plug male includes power lines straight from external power to RADIO connector RADIO 13 pin Hirose RP13A includes power lines 95 RH 50 C operational 2 times EIA RS 152 RS 204 and MIL STD 8IOD Method 514 3 Procedure I 2 times EIA RS 152 RS 204 and MIL STD 810D Method 516 3 Procedure I v 1J 8 20 V DC fr...

Page 6: ...I I I I I I I I I I I I DATA TERMINAL EQUIPMENT DTE INTERFACE PORT Signal levels Signals Data rate Synchronization Flow control Data format Data Presentation Maximum message size Message buffers RS 232 C 12 V or CMOS 0 5 V DCD RXD TXD DTR DSR RTS CTS RI and GND RI and DCD not included in CMOS connector 1200 2400 default 4800 or 9600 bps programmable Asynchronous No control XON XOFF escape sequence...

Page 7: ...his equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning t...

Page 8: ...ptions NOTE Order one per model The protocol is an internal factory installed software J560 Add MDC 4800 NCP Protocol J819 Add RD LAP 9 6 Protocol J829 Add RD LAP 19 2 Protocol J942 Add MDC 4800 Protocol J944 Add MMP Protocol Radio Cables J372 Add VRM 500 to MaxTrac Radio Cable FKN4173 VRM 500 to MaxTrac Radio Cable J466 Add VRM 500 to Spectra Radio Cable Data Only FKN4392 VRM 500 to Spectra Radio...

Page 9: ...to DTE Cable 20 feet DB9 F M Connector C70 FKN4367 Bracket FRN5755 Radio Cables FKN4173 FKN4392 FKN4365 FKN4416 DTE Cables FKN4174 FKN4368 FKN4376 FKN4369 FKN4367 68P02943C70 VRM 500 to DTE Cable 20 feet DB9 F M Connector ACCESSORIES Mounting Bracket for VRM 500 NOTE Order one cable per model VRM 500 to MaxTrac Radio I VRM 500 to Spectra Radio Data Only VRM 500 to Spectra Radio Voice Data VRM 500 ...

Page 10: ...02937C40 Programming RVN4133 68P02938C95 x Service Manual Motorola specialized depots only Programming Guide for programmers and system managers Diagnostics Software User s Guide engineering release for Motorola specialized depots only Radio Service Software RSS RSS User s Guide v 6 ...

Page 11: ...tted messages into GENERAL DESCRIPTION proprietary signaling format and convert received messages in the signaling format to the appropriate host protocol The DSP technology enables the VRM 500 to support the following RF protocols MDC 48oo MMP 30 31 RD LAP 9 6 19 2 kbps The VRM 500 incorporates the following key features Receive and store incoming messages ability even while disconnected from DTE...

Page 12: ...nbound messages Status LED no 4 indicating the status of the outbound message s All LEDs blink to indicate a fault condition The LED functions are described in Tables 1 to 5 i lli fi ON OFF 11111 II I ON OFF Table 3 LED 2 Green The modem has one or more inbound to be transmitted to the host The modem has no inbound message transmission to the host ON OFF Table 1 Power LED Red The modem is powered ...

Page 13: ...els The port also provides a power line for accessing devices requiring a power supply 2 2 3 Radio to Modem The modem is capable of operating Motorola radios such as MaxTrac parallel interface and Spectra serial interface 3 POWER SUPPLY Power for the modem is supplied directly from the radio The voltage level is 13 8 V 20 4 RECHARGEABLE LITHIUM BACKUP BATTERY The battery can back up the RAM for 10...

Page 14: ...MENTS Federal and local regulations specify the space disposal of a lithium battery Check and comply with all regulations beforedisposing of a battery LITHIUM BATTERY SAFETY PRECAUTIONS 3 EMERGENCY PROCEDURES If a lithium battery ruptures burns or explodes follow these procedures Treat any affected skin or body area as an acid burn Flush skin area for 15 minutes Contact a physician Ventilate the w...

Page 15: ...hs 2 3 RECOMMENDED TOOLS FOR INSTALLATION The following tools are recommended installation of the modem and bracket Portable drill Hammer Center punch Drill Bit Phillips screwdri ver v for proper 2 2 VEHICLES EQUIPPED WITH AIR BAGS 2 4 SINGLE BRACKET INSTALLATION When planning the installation of communication equipment in a vehicle with one or more air bags proceed as follows CAUTION Vehicles equ...

Page 16: ...ILIARY connector depending on the application used See the Functional Description section for detailed connector pinouts 2 3 POWERING THE VRM 500 ON When the radio is turned on the VRM 500 turns automatically carries a self test to ensure that it properly If the self test is completed successfully the LED remains lit and all other LEDs are off If the fails all the LEDs blink simultaneously 4 POWER...

Page 17: ...0mm I d _ m lam I ____ iam L 1 1 I L 132 0mm BACK 138 0mm and ites WR 110 0mm test O 158mm FRONT Figure 1 Mounting Bracket Mechanical Drawing v I I I 1 1 1 1 1 I Figure 2 Installing the VRM 500 Inside its Bracket 68P02943C72 3 ...

Page 18: ... DTE RXD C 6 DTETXDC 7 DTE DSR C 8 CMOS GROUND AUXILIARY RADIO POWER J5 AUXILIARY CONNECTOR 1 1 1 IIIII I Il l l lIj 1 I 1 1 N VBAT 2 AUX RXD 3 AUXTXD 4 AUX DTR 5 AUXGND 6 AUX DSR 7 AUX RTS 8 AUXCTS 9 P VBAT 4 For DTE connector description see Figure 4 For RADIO POWER connector description see Figures 5 and 6 Figure 3 Cable Connections ...

Page 19: ...ONNECTOR 10 20 feet FKN4367 4369 Option J968 J970 68P02943C72 09 FEMALE TO USER OTE 09 MALE TO VRM 500 DTE CONNECTOR 1 DTE DCD BLACK RED 2 DTE RXD RED 3 DTETXD GAEEN PIN TO PIN CONNECTION 4 DTE DTA BLACK ON BOTH SIDES PIN 5 CONNECTED TO 5 DTE GND SHIELD SHIELD ON BOTH SIDES 6 DTE DSA BLUE 7 DTE ATS BLACKIWHITE 8 DTE CTS WHITE 9 DTE AI OAANGE Figure 4 VRM 500 to DTE Cables 5 ...

Page 20: ...o Voice Data To speaker connector To VRM 500 Radio Power Connector PIN CONNECTION 15 BLACK 2 9 BROWN 3 14 RED 4 10 ORANGE 6 13 YELLOW 7 11 GREEN 8 BLUE 9 3 VIOLET l 2 Short BLACK 12 4 WHITE RED SHO 13 8 HIELD BLACK short To Spectra Radio Data Only To ignition switch FUSE 4A RED wire to pin 4 VRM 500 RADIO POWER CONNECTOR RESET 2 BUSY 3 BUS 4 BUS S DMR OA tA MoD UfnT 6 DPTT OKrA f r 7 DISC OtSG 8 M...

Page 21: ...nstallation T VRM 500 RADIO POWER CONNECTOR RESET 2 BUSY 3 BUS 4 BUS 5 DMR 6 DPTT 7 DISC 8 MOD 9 RSSI 10 DMW 11 DMG 12 POWER 13 PGND 5 12 RED 6 6 BLACK 7 11 BLUE 8 5 BLACK 9 8 GREEN 11 14 BLACK 12 13 WHITE 13 7 SHIELD 3C72 68P02943C72 Figure 6 VRM 500 to MaxTrac Radio Cable 7 ...

Page 22: ...P external memories 128 kB and 32kB RAM 256 kB Flash EEPROM Rechargeable lithium battery capable of backing up the 128 kB RAM for at least three days Two UARTs Universal Asynchronous Receiver Transmitter Serial ADC Analog to Digital Converter Communication and power LEDs The board operates using a nominal 13 8 20 V DC from the radio and regulates it to 5 0 V DC logic supply Vee The board includes ...

Page 23: ...I R5 232 I 68HC11A1 I DTE INTERI D RAM I J4 I i DRIVER t OSP RESET I I H I SERIAUPARA S89600 DSP56156 F UART1 I A INTERFACE RADIO INTE D AND POWER SSI OISCIMOO J2 I I I 32 X 16 III I AI I RS 232 I AUXILIARY C SRAM D UART2 I I DTE GPS SEN DRIVER J5 Y SERIALADC RSSI_ 1 POWER INDICATOR 1 RESET 5 V REGULATOR L I LOGIC BOARD Figure 1 Functional Block Diagram 68P ...

Page 24: ...UART FUSE F1 BACKUP BATTERY BT1 3 6864 MHz VOLTAGE REGULATOR U15 Functional Description 68HC11 MDD5001 ASIC DSP FLASH MEMORY 9 830 MHz RS 232 DRIVERS Figure 2 Component Location 3C73 68P02943C73 3 ...

Page 25: ...B9600 data sig 5 DMR Output Data Mode Reqt 6 DPlT Output Data Push re rI 7 DISC Input Discriminatoj 8 MOD Output Modulator 9 RSSI Input Receive Signal Str Indicator I 10 DMW Input Data Message 11 DMG Input Data Mode GriI 12 POWER Power External Powl 13 8 20 V 1 I 13 PGND Power Ground External Grou I I 2 2 R8 232 INTERFACE I I The RS 232 signals incoming from the DTE and a interface are associated ...

Page 26: ...coding logic and two 32 kB SRAMs The DSP performs modulation demodulation functions and associated filtering The synchronous serial interfaces SSI provide a full duplex serial port for serial communication Each SSI is made up of an independent transmitter and receiver sections and a common SSI clock generator These interfaces are synchronous because all serial transfers are synchronized to a clock...

Page 27: ... be cleaned only when the VRM 500 has been disassembled for repair and a visual inspection reveals the presence of smudges grease or grime Refer to paragraph 6 for disassembly procedure 2 CHECKING AND CLEANING THE VRM500 This section contains the following information Quick troubleshooting procedures Disassembly and reassembly procedure including safety information General maintenance information ...

Page 28: ...ding the top I and bottom covers together Lift the top cover and front panel I I Step 3 Insert a flat blade screwdriver under the shield Remove the shield by separating at the corners I Be careful not to overbend the corners or damage the components and the board I I Step 4 Remove the screw securing the voltage I regulator I Step 5 Insert a flat blade screwdriver under the board I and push upwards...

Page 29: ...nce Troubleshooting I I I I I I I I I I I ilill l l i i lll i 1 2 3 4 5 6 7 8 6404611EOI 1504887EOI 0302443C23 0302035POI 1504814EOI 0300129997 430823lS02 2704609EOI Window 1 Cover 1 Screw machine 4 40xl 4 4 Screw M4x16 2 RF Shield cover 1 Screw lock 4 40x5 16 1 Thermal cube 1 Chassis 1 68P02943C68 Figure 1 Exploded View Mechanical Parts List 3 ...

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