GE 12R II Series Technical Manual Download Page 1

Page: 1 / 33

COE Communications Engineering Document

Author:

Keith Gilbertson

Rev:

Date:

3/08/02

Pag

TRANSPORTATION
SYSTEMS

GLOBAL SIGNALING DIVISION

Title:

12RII FCC TECHNICAL MANUAL

Summary of Contents for 12R II Series

Page 1: ...COE Communications Engineering Document Author Keith Gilbertson Rev A Date 3 08 02 Pag e 1 of 33 GE TRANSPORTATION SYSTEMS GLOBAL SIGNALING DIVISION Title 12RII FCC TECHNICAL MANUAL ...

Page 2: ...m 12 6 2 LC Radio Block Diagram 13 6 3 SR Radio Block Diagram 14 6 4 Radio Interfaces Signals 15 7 Kenwood RFPA TXRX Modules 20 8 POWER SUPPLY BOARD 20 8 1 General Description 20 8 2 Block Diagram 20 8 3 Board Interface Signals 21 8 4 External Interface Voltages 21 8 5 RFPA Interface Voltages 21 8 6 RCB Interface Voltages 21 8 7 Power Supply Board Parts List 22 8 8 Power Supply Board Schematic 23 ...

Page 3: ...unication Manual Section 12 12RII Part Number Assignment Document TK 790 B Service Manual 4 Abbreviations and Acronyms 12RII LC 12RII Local Control Radio Control Panel Installed 12RII RC 12RII Remote Control Radio Interface to Standard AAR Control Head 12RII SR 12RII Serial Remote Control Radio Interface to Serial Remote Control Head AAR Association of American Railroads DTMF Dual Tone Multi Frequ...

Page 4: ...be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and the receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced rad...

Page 5: ...or TX The audio interfaces available at the J5 connector are microphone transmit audio 10 watts speaker audio and a low level receive audio signal All audio levels are fixed The radio handset connector provides interface to a standard AAR handset The handset interface provides for a PTT transmit control signal microphone audio and receive audio The radio receives power from the locomotive or car b...

Page 6: ...ed in an enclosure similar to one specified in the AAR C S manual in section 12 2 Power to the radio is provided through connector J4 Typical locomotive battery voltage is 74VDC Some transit light rail cab cars may provide 37VDC as the primary radio voltage 5 2 2 Block Diagram 5 2 3 Basic Oper ation The Clean Cab Radio is capable of performing all standard radio functions associated with transmitt...

Page 7: ...Additionally certain customer applications require outputs that provide indications of radio status such as Standby Busy or TX The radio can support only the Accessory J6 connector or the Optional second control head on J8 not both at the same time without compromised performance Audio signals are shared between the two options However it is not likely that both options would ever be required in a...

Page 8: ... Interface Cable is used to connect the radio to the control head Optionally the radio supports the connection of a second control head on J8 and a radio handset at J2 Program connector J3 is also standard as on the other radio systems 5 3 2 Block Diagram 5 3 3 Basic Oper ation Operation of the 12RII SR radio is identical to the 12RII LC radio The front panel assembly is identical in both radio sy...

Page 9: ...TE J4 1 1 202150 611 CABLE ASSYRCB FPB 1 1 1 1 1 202150 610 Cable Assy PSB RCB 1 1 1 1 1 1 202150 510 CABLE ASSY J5 1 1 202150 410 CABLE ASSYJ6 1 1 202150 110 CABLE ASSY J4 1 1 1 1 202150 210 CABLE ASSY J2 J3 1 1 1 1 1 1 202150 010 CABLE ASSY3 RED W ferrite 1 1 1 1 1 1 202150 005 CABLE ASSY3 BLK RA RG 1 1 1 1 1 1 013496 3410 SCREW 4 40 X 5 16 PPH ITL SS 51 51 47 47 47 47 013496 3416 SCREW 4 40 X 1...

Page 10: ...NEL BOARD 1 1 202926 000 ASSY12RII PROCESSOR MODULE 1 2 022207 100 Keypad Left 1 6 022207 200 Keypad Numeric 1 7 022207 300 Keypad Right 1 8 006128 000 Foam 12R Speaker insert 1 15 006128 001 Foam 12R Mic insert 1 16 123363 001 GRILLE 12R SPEAKER 3 35 1 14 202298 100 PANEL 12RII FRONT W LENS 1 5 013492 3810 SCREW 10 24X5 16 PPH SS 4 12 013496 3410 SCREW 4 40 X 5 16 PPH I 12 10 227173 001 ASSYSPEAK...

Page 11: ...odules and the need to integrate circuit functions into fewer boards Standard radio modules for the radio deck are the Power Supply Board PSB RF Power Amplifier RFPA Transmit Receive Board TXRX Radio Control Board RCB and Radio Processor Module RPM Standard connectors for all radios are J1 Antenna J2 Handset and J3 program connectors Application or radio type specific connectors are J4 J5 J6 J7 J8...

Page 12: ...L SIGNALING DIVISION Title 12RII FCC TECHNICAL MANUAL 6 1 RC Radio Block Diagram T1 CN203 CN104 CN201 TXRX CN202 J7 J8 RFPA CN1 CN3 W2 CN4 J1 J4 J5 J6 J7 CN2 GND PSB J6 J5 J1 ANTENNA J5 POWER CONTROL RADIO CONTROL BOARD J3 J11 J2 J4 J3 PGM J2 HANDSET J9 U1 RADIO PROCESSOR MODULE J1A J1B 12RII RC Radio J10 P1 P4 P5 P6 P7 J3 P2 P4 ...

Page 13: ...CN201 TXRX CN202 J7 J8 RFPA CN1 CN3 W2 CN4 J1 J4 J5 J6 J7 CN2 GND PSB J6 J5 J1 ANTENNA J4 POWER RADIO CONTROL BOARD J6 ACCESSORY option J3 J11 J2 J4 J8 J3 J4 FPB FRONT PANEL J6 J5 P1 LCD J3 PGM J2 HANDSET J9 U1 RADIO PROCESSOR MODULE J1A J1B U1 RPM J 1 J 2 Optional 2nd CONTROL HEAD J3 J4 FPB FRONT PANEL J6 J5 P1 LCD J1 J2 J3 HANDSET PGM U1 RPM J 1 J 2 12RII LC Radio J10 P10 P9 OPTION MODULE J1 P6 ...

Page 14: ...J7 RFPA CN1 CN3 W2 CN4 J1 J4 J5 J6 J7 CN2 GND PSB J6 J4 J1 ANTENNA J4 POWER RADIO CONTROL BOARD J6 ACCESSORY option J3 J11 J2 J5 J8 J3 PGM J2 HANDSET U1 RADIO PROCESSOR MODULE J1A J1B J7 J10 Optional 2nd CONTROL HEAD J3 J4 FPB FRONT PANEL J6 J5 P1 LCD J1 J2 J3 HANDSET PGM U1 RPM J 1 J 2 12RII SR Radio CONTROL HEAD J3 J4 FPB FRONT PANEL J6 J5 P1 LCD J1 J2 J3 HANDSET PGM U1 RPM J 1 J 2 J9 P10 P9 OPT...

Page 15: ...ing Connector A Mic Audio Modulation Input from the handset condenser RCB J2 1 B Mic Com Microphone Audio return common with radio chassis RCB J2 2 C PTT Push To Talk radio key input RCB J2 3 D PTT Com PTT Return common with radio chassis RCB J2 4 E Rec Audio Audio output to receiver element in handset RCB J2 5 F HK Optional Off Hook signal input RCB J2 6 Either of these signals may be connected t...

Page 16: ...J5 is used for input power control and audio signal interfaces on the 12RII RC radio The J5 cable assembly plugs into J1 J4 on the Power Supply Board and J5 J6 on the Radio Control Board The Following tables are the currently defined power interfaces used on 74V 37V and 13V AAR Remote Control Radio systems Standard 74 37 Volt Power Input J5 23 PIN POWER SIGNAL INTERFACE STD J5 Pin Signal Descripti...

Page 17: ...AAR Channel 1 Input Select Line RCB J5 4 11 CH2 AAR Channel 2 Input Select Line RCB J5 5 12 CH3 AAR Channel 3 Input Select Line RCB J5 6 13 CH4 AAR Channel 4 Input Select Line RCB J5 7 14 TX Ind I O 1 transmit indication output RCB J6 9 15 Rec Audio Remote low level receive audio output RCB J6 5 16 Audio Return Audio Common radio chassis RCB J6 7 17 Standby I O 2 Standby indication output RCB J6 1...

Page 18: ... RCB J6 12 I O signals are programmable for user configurations Signal functions are shown for reference only On alternate 15 pin connector these signals are I O 3 I O 4 respectively mating to J5 1 J5 2 on the RCB 6 4 8 J7 Primary Control Head J7 is installed on the standard 12RII SR radio as the primary control head interface The J7 cable assembly plugs into J7 on the Radio Control Board Interfac...

Page 19: ...l Interface differential current loop output RCB J8 3 S RS485 B Serial Interface differential current loop output RCB J8 4 A Mic Audio Control Head 1 Mic audio input to radio RCB J8 5 V Rec Audio Low level receive audio to control head 2 RCB J8 6 F I O I O 1 ID signal to Control Head 2 RCB J8 7 T I O I O 2 Master Slave or Enable to Control Head 2 RCB J8 8 K Speaker Speaker output signal to Control...

Page 20: ...ives or 37VDC found on typical transit cars The primary battery inputs voltages are isolated from the radio chassis and internal voltages by the DC DC converter module The primary battery input as well as the secondary 13V input is protected against reverse polarity The DC DC converter is protected with Transient Voltage Suppression TVS filtering and Over Voltage Protection OVP circuits to avoid d...

Page 21: ...ted output of the DC DC converter is available at this terminal If this terminal is to be used as a B 12 15VDC test input for the radio there cannot be a primary battery signal connected to terminals J1 or J2 8 4 4 J4 Com This terminal is used to connect to the radio ground or common signal It is also connected to radio chassis 8 5 RFPA Interface Voltages 8 5 1 J5 B This terminal is used to supply...

Page 22: ...UF SNP 35X40 2 C4 5 001387 102 CAP ALUM 100V 3300UF SNP 35X40 2 C4 5 002129 7109 RES CF 1 2W 1 OHM 5 2 2 R1 2 003227 000 IC LM340T VOLTAGE REGULATOR 5V 1 1 U3 003227 002 IC LM340T COM 8VREG TO220 1 1 U2 010001 028 FUSE 3AG 250V 4A SLO BLO GLA 1 F1 010001 035 FUSE 3AG 250V 6 25A SLO BLO GLA 1 F1 010021 001 MOV 14VRMS 1000A 4J 3 RAD 1 1 RV2 010042 006 MOV 130VRMS 6500A 70J 3 RAD 1 1 RV1 010101 005 F...

Page 23: ...y circuitry The RCB provides filtered 5V to the RPM The RPM provides 5 8 bit programmable ports which are used on the RCB to provide serial interface and digital control of the support circuits on the RCB and interfaces to other radio modules The FLASH memory on the RPM contains the radio operating firmware as well as the Radio Configuration File RCF The RCF allows modification of the radio operat...

Page 24: ...e radio speaker or handset element An optional input signal DET2 is provided for in the Option Module connection at J9 This is for future use 10 2 3 Audio Outputs The RCB transmit audio outputs are the MO and MB signals These signals are applied to the TXRX module to provide the required dual port modulation Normal radio receive audio outputs signals are applied to the radio speaker located on the...

Page 25: ... DTMF tones generated in the MX829 The programming in the RCF determines which tone method is used The appropriate tone output is enabled and routed to the TXRX modulation inputs 10 2 8 Sub Audible Encode Decode The MX828 device provides the necessary sub audible tone encoding and decoding The channel attribute parameters in the RCF determine if the selected radio channel is to have sub audible sq...

Page 26: ...ignal output is applied to inputs of the two digital amplifiers of U3 Amplifier 1 drives the MB TCXO modulation signal and amplifier 2 drives the MO VCO modulation signal 10 2 14 Radio RX Signal Paths In Receive mode the output of the TXRX module is applied to analog channel 1 input of U6 The output of this amplifier is applied to the RX input of U14 MX828 The input amplifier of U14 amplifies the ...

Page 27: ...ects the digital radio processor module input that is pulled up to 5V The HPTT and HK inputs are monitored by the RPM and will initiate a radio transmission if HPTT goes low or provide the necessary function assigned to HK should it go active The Remote PTT input is the primary PTT input used in the AAR Remote radio through connector J5 interface This input is also available in the clean cab versi...

Page 28: ...D1 B COM COM HSHK HSPTT HSAUD 232 TXD1 232 RXD1 J5 REM IO 3 IO 4 PWRAUD CH3 CH2 CH1 CH4 CHRTN IO 3 IO 4 PAUD CH1 CHRTN CH4 CH3 CH2 TXD2 RXD2 232 TXD2 232 TXD2 TXD1 TXD2 RXD1 RXD2 SCL SDA 24C64 SCL SDA SCL SDA LM75 T M P SCL SDA SCL SDA CP DT EP UL CS1 CS2 CK SDI SDO CK SDI SDO CS3 CK SDI CS4 CK SDI CS5 CK SDI CS6 CK SDI SDO CS7 J3 PSB 5V COM B 8V CS1 CS7 CS6 CS5 CS4 CS3 CS2 INT0 INT0 INT0 INT0 INT...

Page 29: ...Scroll up and down through the available channel groups Tune RX Active in AAR GROUP only Used to create split channels TX RX different Press to activate and use channel buttons to select desired RX channel PTT Used to make a radio transmission using the Front Panel Microphone Press PTT button to activate transmitter LCD display will indicate when radio is transmitting and speak into the Front Pane...

Page 30: ...W4 ROW3 CS1 VB EN J1 PA0 PA3 PA2 PA1 PA4 PA5 PA6 PA7 PB2 PB1 PB0 PB3 PB4 PB5 PB6 PB7 PE2 PE1 PE0 PE3 PE4 PE5 PE6 PE7 BEN PCLK RADIO PROCESSOR MODULE 5V SCL COL1 COL7 COL6 COL5 COL4 COL3 COL2 RS R W IN2L IN1L DIM CK SDA DB7 COL8 E DB4 DB5 DB6 J2 PC0 PC3 PC2 PC1 PC4 PC5 PC6 PC7 PD2 PD1 PD0 PD3 PD4 PD5 PD6 PD7 STAT RES GND U3 B U3 A IN1 IN1L IN2 IN2L LCDMODULE DB0 VBIAS 2 1 VDD VSS 7 8 14 13 12 11 10...

Page 31: ...N 227410 100 ASSY12RII FRONT PANEL BOARD 1 1 202926 000 ASSY12RII PROCESSOR MODULE 1 2 022207 100 Keypad Left 1 6 022207 200 Keypad Numeric 1 7 022207 300 Keypad Right 1 8 006128 000 Foam 12R Speaker insert 1 15 006128 001 Foam 12R Mic insert 1 16 123363 001 GRILLE 12R SPEAKER 3 35 1 14 202298 100 PANEL 12RII FRONT W LENS 1 5 013492 3810 SCREW 10 24X5 16 PPH SS 4 12 013496 3410 SCREW 4 40 X 5 16 P...

Page 32: ...M 1 10 W 1 0805 48 R1 21 R26 R30 R45 R48 R51 70 R73 74 R80 002278 2430 RES 243 OHM 1 10 W 1 0805 4 R23 R27 28 R71 002278 4022 RES 40 2K OHM 1 10 W 1 0805 7 R24 R31 R38 R44 R46 R83 R85 002278 4750 RES 475 OHM 1 10 W 1 0805 1 R40 003377 010 IC MC33072 IND DUAL OPAMP SOIC8P 1 U6 003444 075 IC LM75 A D TEMP SENSOR MSOP8 1 U9 003574 004 IC 8KX8 I2C SER EEPR SO8 1 U8 003732 002 IC 5V REG LM10861 1 U2 00...

Page 33: ...ngineering Document Author Keith Gilbertson Rev A Date 3 08 02 Pag e 33 of 33 GE TRANSPORTATION SYSTEMS GLOBAL SIGNALING DIVISION Title 12RII FCC TECHNICAL MANUAL 12 3 Front Panel Schematic See Attached drawing 135631 000 ...

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