Seatex AIS 100 Quick start guide

Seatex AIS 100
Operational Description
Kongsberg Seatex AS
Pirsenteret N-7462 Trondheim Norway
Telephone: [phone] Facsimile: [phone]
E-mail: [email protected]
2003-06-19
AIS Base Station
VTS Centre
GNSS Satellites
AIS VHF Lin
k
AIS VHF Lin
k

2
Table of contents
1 Introduction........................................................................................................................2
1.1 Document revisions.................................................................................................2
2 System components............................................................................................................3
3 Hardware system structure.................................................................................................6
4 Electrical specifications......................................................................................................7
5 Specification of radio equipment AIS................................................................................8

Seatex AIS 100 Operational Description, rev. 0 Introduction
2
1Introduction
This document gives a brief overview of the structure and spesifications of the Seatex AIS
100 system.
1.1 Document revisions
Document ID Rev. Date Reason for revision
Man_oper_descr_ais100_r0 0 2003-06-19 First version.

Seatex AIS 100 Operational Description, rev. 0 System components
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2System components
A Seatex AIS 100 consists of the following parts:
•1 AIS 100 main unit
•1 GPS antenna
•1 GPS antenna bracket
•1 VHF antenna with bracket
•2 adapter cables (RG-58 pigtail cables with TNC-N connectors)
•1 connector kit for GPS antenna cable (2 N-connectors)
•1 connector kit for VHF antenna cable (2 N-connectors)
•1 Connection box with interface cable
•1 AIS 100 MKD with cable
•1 Power cable
•1 Pilot plug
•1 AIS 100 Instruction manual
GPS antenna
Adapter cable
N-connector
N-connector
Adapter cable
Antenna cable
GPS antenna bracket
VHF antenna with bracket
N-connector
N-connector
Antenna cable
Seatex
AIS 100
Instruction manual
Instruction manual
Power cable
Pilot plug
Seatex AIS 100
Connection box with cable
MKD with cable

Seatex AIS 100 Operational Description, rev. 0 System components
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AIS 100 Minimum Keyboard and Display (MKD)
The MKD unit provides a simple user interface to the mobile station. The keypads on the
MKD can be used to navigate between dedicated menus used for configuration and display of
vessel navigation data. Text messages can also be entered into the MKD and transmitted to
other vessels or shore based AIS stations providing warnings or other relevant navigation
information. Thus the MKD provides basic presentation of configuration data, position data
and text messages. If the AIS has been interfaced to the on-board ECDIS system or radar the
information displayed on the MKD can also be displayed on an AIS compatible ECDIS or
ECS systems.
AIS 100 mobile station
The mobile station incorporates two VHF receivers, configured to operate on the predefined
AIS frequencies for the region, one VHF transmitter transmitting on all required frequencies
and one DSC receiver. The mobile station also incorporates a GPS receiver and a processor.
The internal GPS receiver, which is capable of receiving differential corrections for increased
position accuracy, is used for time synchronisation and as a backup position sensor. For AIS
data transmission, the Self Organised Time Division Multiple Access (SOTDMA) data
protocol is used. SOTDMA enables a large number of vessels to receive and transmit AIS
data at the same time.
Front LED indicators
The LED indicators on the front of the mobile station can be used to monitor status as well as
data reception and transmission.
Led Colour Description
TX Off
Amber
Green
Red
Transmitter idle
Transmitting on AIS channel B
Transmitting on AIS channel A
Transmitter turned off
MSG Off
Amber
Green
No message/report being received
Message/report received on channel B
Message/report being received on channel A
GPS Amber
Green Indirect synchronisation free run Internal GPS OK. GPS synch selected
ALM Off
Red No alarm Alarm. Alarm relay activated
PWR Green Indicates powered unit
AIS 100 connection box
The connection box is used to connect to external sensors main position sensor, heading
sensor and rate of turn sensor (when available). These sensors are mandatory while interfaces
to electronic hart systems and long range communication systems, are optional. AIS
compatible ECDIS/ECS systems are interfaced to the AIS through serial line communication.
Power is supplied to the AIS mobile station through the connection box.

Seatex AIS 100 Operational Description, rev. 0 System components
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AIS 100 VHF antenna
The VHF antenna is used for VHF communication. The antenna is connected to the mobile
station using cables with attenuation less than 3 dB.
AIS 100 GPS antenna
The GPS antenna is an L1 antenna receiving signals from all visible satellites. The antenna is
hermetically sealed and the cable used to connect the GPS antenna to the mobile station
should be of a quality that ensures minimum loss of signal, i.e. less than 20 dB.

Seatex AIS 100 Operational Description, rev. 0 Hardware system structure
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3Hardware system structure

Seatex AIS 100 Operational Description, rev. 0 Electrical specifications
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4Electrical specifications
Input supply
Supply voltage 18 - 35 V DC
Supply current
@ 24 V DC 1.0 A (no VHF Tx) 1.2 A ( 2 W) VHF
1.6 A (12 W) VHF
Serial port capability
Mode RS-422
Isolation 1 kV
Line tolerant min +/- 15 V DC
Line speed 1200 - 57600 bits/s
Talker capability max 8 listeners @120 Ohm
Listener load requirements 120 Ohm (recommended)
Network
Network speed 10 Mbit/s

Seatex AIS 100 Operational Description, rev. 0 Specification of radio equipment
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5Specification of radio equipment AIS
Type code Automatic Identification System Local oscillation frequency TX: TCXO: 13 MHz, VXCO 320 MHz; RX: TCXO:
12.8 MHz, VCO 250 MHz, VCXO 90.45 MHz
Equipment name AIS mobile transponder Intermediate frequency 90 MHz/ 450 KHz
Model name Seatex AIS 100/Simrad AI70 Communication method As specified in IEC 61993-2
Function (RX/TX) RX and TX (two separate boards) No. of channels 156-162.025 MHz/ Channel BW 12.5 kHz or 25 kHz
Transmitting
frequency 156.025-162.025 MHz
Receiving frequency 156.025-162.025 MHz
Type of radio waves VHF
Oscillating method TX VCO Colpits oscillator /resonator
Modulation method 1 GMSK (AIS 1 and AIS 2) Type of antenna Marine VHF, Comrod
AV6K Length 1,4 m
Modulation method 2 FSK (DSC) Type of termination
amplifier PA: Class C power module, M57710-A
VHF Power 2 W/12 W
Power source 24 V DC