CONFIGURATION AND SPECIFICATIONS 
1-6 
 
1.3 Specifications 
 
1.3.1  JHS-183  Automatic Identification System 
 
(1) General Specification 
Frequency range  156.025MHz to 162.025MHz 
Default channel    AIS1: 161.975MHz, AIS2: 162.025MHz 
Channel spacing  25kHz 
Frequency accuracy 
Within  ±3×10
-6
 
Type of emission  G1D (F1D), G2B (F2B) 
Type of modulation  GMSK, FSK 
Output power  12.5W/1W 
Type of display  4.5-inch FSTN LCD,    128 x 64dot 
keyboard 12 keys 
Back-light  LCD and keyboard 
Dimmer control  Bright, Medium1, Medium2, Off 
Compass safe distance  NTE-183; Standard compass 0.4m, Steering compass 0.2m 
NCM-983; Standard compass 0.5m, Steering compass 0.3m 
NQE-5183; Standard compass 0.7m, Steering compass 0.5m 
NBD-577C; Standard compass 0.8m, Steering compass 0.5m 
Performance criteria   
Power voltage  Typ. 24VDC,    19 - 35VDC 
Current consumption 
24VDC Input 
3.0A max. (when transmitting),     
1.0A max. (when receiving) 
Operating temperature range  AIS transponder (NTE-183) -25°C to +55°C 
AIS controller (NCM-983) -15°C to +55°C 
Storage temperature range  -15°C to +55°C (exposed equipment; -25°C to +70°C) 
Humidity resistance  No abnormality after standing 4 hours in +40°C, 93% RH 
Vibration resistance (3 axes) 
2 Hz - 5 Hz to 13.2 Hz:  : Full amplitude ±1 mm±10% 
13.2 Hz to 100 Hz:  : Maximum  acceleration  7  m/s
2
 
fixed 
No abnormality after testing resonance points or at 30 Hz for more 
than 2 hours   
Protection rating  AIS transponder (NTE-183): IP56 
AIS controller (NCM-983): IP55 (In case optional cable is not used.) 
Dimensions and mass 
AIS transponder (NTE-183) 
145mm(W) x 1270mm(H) x 145mm(D) 
[including VHF antenna]
, 
approximately 2.6kg 
AIS controller (NCM-983) 
142mm(W) x 142mm(H) x 115mm(D), approximately 2.1kg 
 
(2) Communication ports 
(2.1) Communication ports 
   The communication ports using the attached cable (CFQ-9183A) are as follows. 
Sensor data input ports 
SENSOR1 / SENSOR2 
Two input ports meet the requirements of IEC 61162-1 and 61162-2 
GNSS differential correction data 
input port 
ITU-R M.823-2    1port 
External display equipment 
communication ports (AUX) 
IEC61162-2 1ports 
Pilot plug  IEC61162-2 1port 
Network(LAN) IEC61162-450  1port