8-1
8. SPECIFICATIONS
8.1 AIS TRANSPONDER (NTE-180)
(1) Frequency range : 156.025MHz to 162.025MHz,
: Default channels:161.975MHz, 162.025MHz
(2) Channel spacing : 25kHz/12.5kHz
(3) Frequency accuracy : Within ±3×10
-6
(4) Type of emission : F1D, F2B
(5) Type of modulation : GMSK, FSK
(6) Output power : 12.5W/2W
(7) Rated power supply voltage : 24Vdc (-10%, +30%)
(8) Current consumption : 4.5A max: when transmitting
: 1.5A max: when receiving
(9) Operating temperature : -25°C to +55°C (IEC 60945)
8.2 AIS CONTROLLER (NCM-722)
8.2.1 Operation panel
(1) Type of display : 5-inch STN LCD, 160×128 dots
(2) Keyboard : 23 keys
(3) Back-light : For LCD and keyboard
(4) Dimmer control : Bright, medium1, medium2, off (Selectable from keyboard)
8.2.2 Environmental condition
(1) Operating temperature : -15°C to +55°C (IEC 60945)
(2) Power voltage : 24Vdc -10% to +30% (IEC 60945)
8.2.3 External interfaces
(1) Sensor data input ports SENSOR1 / SENSOR2/ SENSOR3
Three input ports meet the requirements of IEC 61162-2.
Additionally, these ports can receive data from IEC61162-1 sensor with one-to-one connection.
(2) Sensor data input ports SENSOR4/ SENSOR5
Two input ports using photo-coupler
These ports can receive data from IEC61162-1 sensor and half signal drive sensor such as
photo-coupler driver.
(3) NSK for Gyro communication port
One communication port for current loop
(4) External display equipment communication ports
Two communication ports meet the requirements of IEC 61162-2
(5) Long range communication port
One communication port meets the requirements of IEC 61162-2
(6) GNSS differential correction data communication port
One communication port meets the requirement of ITU-R M.823-2
(7) Relay terminals
Two ports for external alarm device
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