CONTENTS 
 
1.  CONFIGURATION ...................................................................................................1-1 
1.1  Components........................................................................................................................... 1-1 
1.1.1  JMA-900B Series ............................................................................................................ 1-1 
1.2  List of Circuits........................................................................................................................ 1-3 
1.2.1  JMA-900B Series Scanner Unit, Tranceiver Unit.......................................................... 1-3 
1.3  System Diagram..................................................................................................................... 1-8 
1.4  System Configuration ......................................................................................................... 1-14 
 
2.  INSTALLATION OF SCANNER UNIT....................................................................2-18 
2.1  Equipment Cable .................................................................................................................2-18 
2.1.1  H-2695110056* .............................................................................................................. 2-18 
2.1.2  H-2695111153* .............................................................................................................. 2-19 
2.1.3  Cable end processing method .................................................................................... 2-20 
2.1.4  Connection to Terminals ............................................................................................. 2-21 
2.2  Installation of Scanner Unit ................................................................................................ 2-22 
2.2.1  NKE-1125 Type Scanner .............................................................................................. 2-22 
2.2.2  NKE-1129 Type Scanner .............................................................................................. 2-24 
2.2.3  NKE-1130 Type Scanner .............................................................................................. 2-26 
2.2.4  NKE-1139 Type Scanner .............................................................................................. 2-28 
2.3  Installation of Tranceiver Unit............................................................................................. 2-30 
2.3.1  NTG-3225 Type Tranceiver .......................................................................................... 2-30 
2.3.2  NTG-3230 Type Tranceiver .......................................................................................... 2-32 
2.4  Precautions.......................................................................................................................... 2-34 
2.4.1  Insatallation of Scanner Unit....................................................................................... 2-34 
2.4.2  Routing Coaxial Cable and Flexible Waveguide ........................................................ 2-39 
2.4.3  Scanner Installation Position ...................................................................................... 2-41 
2.4.4  Confirmation during Test Run..................................................................................... 2-46 
 
3.  INSTALLATION OF DISPLAY UNIT ........................................................................3-1 
3.1  Installation of Display Unit....................................................................................................3-1 
3.2  Installing Power Cable........................................................................................................... 3-6 
3.2.1  Input Voltage Specification............................................................................................ 3-6 
3.2.2  Connecting Power Cable............................................................................................... 3-6 
3.3  Connections with Scanner and Transceiver........................................................................ 3-8 
3.4  Connection with GPS ............................................................................................................ 3-9 
3.5  Connection with Vessel Speed Unit (2-AXIS LOG)............................................................ 3-10 
3.6  Connections with GYRO and Electormagnetic LOG......................................................... 3-11 
3.7  Connection with GYRO (IEC61162-1/2) .............................................................................. 3-13 
3.8  Connection with AIS............................................................................................................ 3-15 
3.9  Connection with ECDIS....................................................................................................... 3-16 
3.10  Connect with Alarm Monitoring System ............................................................................ 3-17 
3.11  Installation of Cable Ground............................................................................................... 3-18 
 
4.  INITIAL SETTING ....................................................................................................4-1 
4.1  Confirming Power Supply..................................................................................................... 4-1 
4.2  Connecting to CQD-2121 Standard Terminal Board............................................................ 4-2 
4.3  Setting Equipment Configuration......................................................................................... 4-4 
4.3.1  Setting Ethernet Rotary Switch..................................................................................... 4-4 
4.4  Connecting to CQD-2128 Radar Terminal Board................................................................. 4-6 
4.5  Setting of GYRO I/F ............................................................................................................... 4-8 
4.5.1  Setting of STEP・SYNC................................................................................................... 4-8 
 
5.  SETTING..................................................................................................................5-1 
5.1  Port Setting ............................................................................................................................ 5-1 
5.1.1  Display the Device Menu ............................................................................................... 5-1 
5.1.2  Display the Configulation Set Menu ............................................................................. 5-2 
5.1.3  The Configuration Setting ............................................................................................. 5-3