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Page 29
AIT2000 Installation & Operation Manual
VERSION 1.01
9
SPECIFICATIONS
Parameter
Value
Dimensions
150mm x 155mm x 37.5mm (L x W x D)
Weight
850g (transponder unit only)
Power
DC (9.6V - 31.2V)
Average power consumption 170mA at 12VDC
Peak current rating 2A
GPS Receiver (AIS Internal)
50 channel IEC 61108-1 compliant
Electrical Interfaces
USB
NMEA0183 38,400kBaud output
NMEA0183 4,800kBaud input/output
NMEA2000 – LEN = 1 (Load Equivalency Number)
Connectors
VHF antenna connector (BNC)
External GPS antenna connector (TNC)
USB type A 1m cable
NMEA2000 standard connector with 1m cable
12 way power input / NMEA0183/External switch
VHF Transponder
Transmitter x 1
Receiver x 2 (One receiver time shared between AIS and DSC)
Frequency: 156.025 to 162.025 MHz in 25 kHz steps
Output Power
33dBm ± 1.5 dB
Channel Bandwidth
25kHz
Channel Step
25kHz
Modulation Modes
25kHz GMSK (AIS, TX and RX)
25kHz AFSK (DSC, RX only)
Bit rate
9600 b/s ± 50 ppm (GMSK)
1200 b/s ± 30 ppm (FSK)
RX Sensitivity
Less than -107dBm at 20% PER
Co-channel 10dB
Adjacent channel 70dB
IMD 65dB
Blocking 84dB
Environmental
Water resistant to IPx5
Operating temperature: -25 C to +55 C
Indicators
Power, TX timeout, Error, Silent Mode Status
