GE 12R II Series User Manual

COE Communications Engineering Document
Author:
Keith Gilbertson
Rev:
A
Date:
3/08/02
Pag
e:
2
of 33
GE
TRANSPORTATION
SYSTEMS
GLOBAL SIGNALING DIVISION
Title:
12RII FCC TECHNICAL MANUAL
TABLE OF CONTENTS
1. Scope.....................................................................................................................................................................................3
2. Revision History...................................................................................................................................................................3
3. Reference Documents............................................................................................................................................................ 3
4. Abbreviations and Acronyms ................................................................................................................................................ 3
5. 12RII Radio Systems.............................................................................................................................................................4
5.1. AAR Remote Radio System..........................................................................................................................................4
5.2. Clean Cab Radio systems..............................................................................................................................................6
5.3. Serial Remote Radio Systems (Future Option).............................................................................................................. 8
5.4. Radio Final Assembly Parts List...................................................................................................................................8
5.5. Radio Front Assembly Parts List (LC version Only).....................................................................................................9
6. Radio Architecture..............................................................................................................................................................11
6.1. RC Radio Block Diagram............................................................................................................................................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
9. RADIO CONTROL BOARD ..............................................................................................................................................23
10. General Description........................................................................................................................................................23
10.1. Microprocessor & Digital Interface........................................................................................................................23
10.2. Audio Circuits......................................................................................................................................................... 24
10.3. Audio Drivers .........................................................................................................................................................26
10.4. External I/O Interfaces.............................................................................................................................................27
11. Block Diagram................................................................................................................................................................28
12. FRONT PANEL..............................................................................................................................................................29
Standard 12RII Front Panel Controls.......................................................................................................................................29
Block Diagram........................................................................................................................................................................30
12.1. Front Panel Parts List.............................................................................................................................................. 31
12.2. Front Panel Board Parts List ................................................................................................................................... 32
12.3. Front Panel Schematic............................................................................................................................................. 33

GE 12R II Series Specifications

General

Brand	GE
Model	12R II Series
Category	Radio
Language	English