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

 

 

Frequency: 156.025 to 162.025 MHz in 25 kHz steps

 

 

AIS2: 162.025 MHz

 

 

 

 

 

 

 

 

 

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

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Y1-03-0222 Rev. C

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ACR Electronics AIS-300, Y1-03-0222 manual Appendix B Specifications and Warnings, Parameter Value