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Y1-03-0222 Rev. C
APPENDIX B - SPECIFICATIONS AND WARNINGS
1. Specifications
Parameter
Value
Dimensions
7.8 x 6.22 x 1.84 in. (198 x 158 x 46.7 mm)
Weight
13.2 oz (375g)
Power
DC (9.6-15.6V), two-wire with negative ground
Average power consumption 4W
Peak current rating 2A
GPS Receiver (AIS Internal)
IEC 61108-1 compliant
Electrical Interfaces
RS232 38400bps bi-directional
RS422 NMEA 38400bps bi-directional
Connectors
VHF Antenna connector (UHF female bulkhead connector)
GPS Antenna connector (TNC female bulkhead connector)
Cable – Power/Data
Power, RS232, RS422, SRM (15-pin Connector), 1.5 meter DSUB
VHF Transceiver
Transmitter x 1
Receiver x 2 (One receiver time shared between AIS and DSC)
AIS1: 161.975 MHz
AIS2: 162.025 MHz
Frequency: 156.025 to 162.025 MHz in 25 kHz steps
Output Power
33dBm ± 1.5 dB (2W)
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
Sensitivity – 107dBm 25kHz (Message Error Rate 20%)
Co-Channel 10dB
Adjacent Channel 70dB
IMD 65dB
Blocking 84dB
Environmental
IEC 60945
Operating Temperature: -25ºC to +55ºC
IEC 62287, IP67 (with cables installed)
Indicators
Power, TX timeout, status, pre-set SRM sent or Silent Mode
Operator Controls
Optional pre-set safety related message (SRM) transmit button or Silent
Mode -No Transmit (user Configured).
Information reporting intervals
The Nauticast™-B AIS will transmit position reports (Message 18) in
reporting intervals of:
Every 30 seconds if SOG is > 2 kn;
Every 3 Minutes if SOG is < 2 kn
Provided that the transmission time periods are available. A command
received by Message 23 shall override the reporting interval.
static data sub messages 24A and 24B will be transmitted every 6 minutes
in addition to and independent of the position report.
Approvals
USCG Approval Number: 165.156/3/0
FCC ID B66ACR-AIS-300
R&TTE Phoenix (NB#0700) Certificate Number: 07-110244
BSH Approval Number: BSH/46162/4320519/2007
NOTE
: For complete information regarding approvals, please visit ACR‟s website at www.acrelectronics.com