Comar Systems CSB200 Class B AIS Transponder User Manual CSB200 R3 0

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CSB200 Class B AIS
Installation
and
Instruction Guide
GENERAL WARNINGS ...............................................................3
INTRODUCTION ..........................................................................5
AUTOMATIC IDENTIFICATION SYSTEM (AIS)...................................5
INFORMATION TRANSMITTED AND RECEIVED .................................6
INSTALLING THE CSB200 UNIT ................................................7
PACKING LIST .............................................................................7
ELECTRICAL CONNECTIONS .........................................................8
GPS ANTENNA ...........................................................................8
VHF ANTENNA ............................................................................9
DATA CONNECTION ...................................................................10
CSB200
PROGRAMMING THE CSB200 .................................................12
USING THE CSB200..................................................................13
Class B AIS Transponder
SWITCHING ON .........................................................................13
WARNING AND FAULT STATES ...................................................13
LED INDICATORS ......................................................................14
LED STATUS INDICATORS .........................................................16
SERIAL DATA INTERFACE ......................................................18
SERIAL PORT INPUT/OUTPUT .....................................................18
NMEA MESSAGES....................................................................19
PRODUCT SPECIFICATION .....................................................24
GLOSSARY ...............................................................................27
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CSB200 Class B AIS
CSB200 Class B AIS
LIMITED WARRANTY
GENERAL WARNINGS
All marine Automatic Identification System (AIS) units utilise a satellite
based system such as the Global Positioning Satellite (GPS) network or
the Global Navigation Satellite System (GLONASS) network to determine
position. The accuracy of these networks is variable and is affected by
factors such as the antenna positioning, how many satellites are used to
determine a position and how long satellite information has been received
for. It is desirable wherever possible therefore to verify both your vessels
AIS derived position data and other vessels AIS derived position data
with visual or radar based observations.
The proAIS software is intended for use as an installation and
configuration tool. The application is not a navigation tool and should not
be used as such.
Comar Systems Ltd warrants this product to be free from defects in
materials and manufacture for one year from the date of purchase.
Comar Systems Ltd will, at its sole option, repair or replace any
components that fail in normal use. Such repairs or replacement will be
made at no charge to the customer for parts and labour. The customer is,
however, responsible for any transportation costs incurred in returning
the unit to Comar Systems Ltd. This warranty does not cover failures due
to abuse, misuse, accident or unauthorized alteration or repairs.The
above does not affect the statutory rights of the customer.
DECLARATION OF CONFORMITY
Hereby, Comar Systems Ltd of Medina Court, Arctic Road, Cowes, Isle of
Wight, PO31 7XD, United Kingdom, declare that this CSB200 is in
compliance with the essential requirements and other relevant provisions
of Directive 1999/5/EC.
This product carries the CE mark, notified body number and alert symbol
as required by the R&TTE directive.
LICENSING
IMPORTANT: In most countries the operation of an AIS unit is included
under the vessels marine VHF licence provisions. The vessel on to which
the AIS unit is to be installed must therefore possess a current VHF
radiotelephone licence which lists the AIS system and the vessel Call
Sign and MMSI number. Please contact the relevant authority in your
country for more information. In accordance with a policy of continual
development and product improvement the CSB200 hardware and
software may be upgraded from time to time and future versions of the
CSB200 may therefore not correspond exactly with this manual. When
necessary upgrades to the product will be accompanied by updates or
addenda to this manual. Please take time to read this manual carefully
and to understand its contents fully so that you can install and operate
your AIS system correctly.
Information contained in this manual is liable to change without notice.
Comar Systems Ltd disclaims any liability for consequences arising from
omissions or inaccuracies in this manual and any other documentation
provided with this product.
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This product is intended for sale in the following member states:
FCC Compliance:
WARNING: It is a violation of the rules of the Federal Communications
Commission to input an MMSI that has not been properly assigned to the
end user, or to otherwise input any inaccurate data into this device.
The MMSI and Static Data in this transponder must be configured by the
vendor of the device or by an appropriately qualified person in the
business of installing marine communications equipment on board
vessels. In no event shall the entry of static data in to this Class B device
be performed by the end user. Knowingly programming a Class B device
with inaccurate static data, or causing a Class B AIS to be programmed
with inaccurate static data, is prohibited.
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CSB200 Class B AIS
CSB200 Class B AIS
Information Transmitted and Received
INTRODUCTION
Automatic Identification System (AIS)
How AIS Works
The marine Automatic Identification System (AIS) is a location and vessel
information reporting system. It allows vessels equipped with AIS to
automatically and dynamically share and regularly update their position,
speed, course and other information such as vessel identity with similarly
equipped craft. Position is derived from a Global Navigation Satellite
System (GNSS) network and communication between vessels is by Very
High Frequency (VHF) digital transmissions. A sophisticated and
automatic method of time sharing the radio channel is used to ensure that
even where a large number of vessels are in one location, blocking of
individual transmissions is minimised, any degradation of the expected
position reporting interval is indicated to the user and even if the unit
suffers extreme channel overload conditions it will always recover to
normal operation.
A Class A unit will transmit its IMO number (if known), MMSI, Call sign
and Name, length and beam, ship type, time, course over ground (COG),
speed over ground (SOG), heading, navigational status, rate of turn,
draught, cargo type, destination and safety related messages via a short
message service (SMS) facility. Message lengths are variable with static
and voyage related information being transmitted less often.
Class A ship borne reporting intervals
Ships dynamic conditions
Rate
Ship at anchor or moored
3 min
Ship 0-14 Knots
10 sec
Ship 0-14 Knots and changing course
3.3 sec
Ship 14-23 Knots
6 sec
Ship 14-23 Knots and changing course
2 sec
AIS Classes
Ship > 23 Knots
2 sec
There are two classes of AIS unit fitted to vessels, Class A and Class B.
In addition AIS base stations may be employed by the Coastguard, port
authorities and other authorised bodies. AIS units acting as aids to
navigation (A to Ns) can also be fitted to fixed and floating navigation
markers such as channel markers and buoys.
Ship > 23 Knots and changing course
2 sec
Ships Static Information
6 min
Class A units are a mandatory fit under the safety of life at sea (SOLAS)
convention to vessels above 300 gross tons or which carry more than 11
passengers in International waters. Many other commercial vessels and
some leisure craft also fit Class A units.
Class B units are currently not a mandatory fit but authorities in several
parts of the world are considering this. Class B units are designed for
fitting in vessels which do not fall into the mandatory Class A fit category.
The CSB200 is a Class B unit
A Class B unit will transmit its MMSI, Call Sign and Name, length and
beam, ship type, time, course over ground (COG), speed over ground
(SOG).
Class B ship borne reporting intervals
Ships dynamic conditions
Ship with Speed Over the Ground < 2 Knots
3 min
Ship with Speed Over the Ground > 2 Knots
30 sec
Ships Static Information
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Rate
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6 min
CSB200 Class B AIS
CSB200 Class B AIS
Electrical Connections
INSTALLING THE CSB200 UNIT
Connect a 12V DC supply (9.6-15.6V) capable of supplying 2A peak to
the DC power lead .
Packing List
Positive = RED
1 x CSB200 Transponder unit
Negative = BLACK
The case of the unit is not isolated from the negative terminal of the
supply and therefore it is recommended that the unit is not attached
to metal parts of the vessel.
1 x Power Cable
1 x PC 9pin D Male to Female Serial cable
1 x 9pin D Male Plug with wire ends.
1 x Instruction Manual
Connect a suitable GPS antenna to the TNC connector (inner of
the two) at the rear of the CSB200. Note that the CSB200 will not
accept GPS NMEA input from another device, it must have its
own internal GPS operating so will require the installation of a
separate GPS antenna.
Connect a suitable VHF antenna to the BNC connector (outer of
the two) at the rear of the CSB200
WARNING: Do not connect the CSB200 unit to a mains (line) AC
electrical supply, as an electric shock or fire hazard could result.
CAUTION: Do not connect the CSB200 unit to a DC supply
exceeding 15.6 V or reverse the supply polarity. Damage to the unit
may result.
CAUTION: The CSB200 unit is designed for operation in the
temperature range -25 °C to +55 °C. Do not install (or use) the
CSB200 unit in environments which exceed this range.
CAUTION: The CSB200 unit should be installed in a location where
it is protected from water and spray.
GPS Antenna
The GPS antenna used must be of the active type (i.e. it should
incorporate an LNA) and must be suitable for marine shipboard
applications (index of protection, ruggedness, means of mounting, etc.).
An antenna should be selected with a gain (in dB) depending on the
length of cable between the antenna and the AIS unit; after subtraction of
cable and connector losses, a minimum total gain of 25 dB should be
available at the CSB200 unit GPS antenna connector.
The GPS antenna to be used for AIS use must be a dedicated antenna,
i.e. not shared with any other GPS receiver.
Installation of the GPS antenna is critical for the performance of the built
in GPS receiver which is used for timing of the transmitted time slots and
for the supply of navigational information should the main navigational
GPS fail. We strongly recommend that:
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1.
The GPS antenna is mounted in an elevated position and free of
shadow effect from the ship’s superstructure
2.
The GPS antenna has a free view through 360 degrees with a
vertical angle of 5 to 90 degrees above the horizon.
3.
As the received GPS signal is very sensitive to noise and
interference generated by other onboard transmitters, ensure that
the GPS antenna is placed as far away as possible from radar,
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CSB200 Class B AIS
CSB200 Class B AIS
Inmarsat and Iridium transmitters and ensure the GPS antenna is
free from direct view of the radar and the Inmarsat beam.
4.
It is also important that the MF/HF and other VHF transmitter
antennas are kept as far away as possible from the GPS antenna.
It is good practice never to install a GPS antenna within a radius
of 5 meters from these antennas.
Where no suitable structure exists to achieve a 3 metre vertical
separation then the antenna base must be mounted at least 1 metre
above the head of any person within range, all persons should stay
outside the 3-metre safety radius and if practical a grounded RF shield
should be interposed between people and the antenna.
Failure to adhere to these limits could expose persons within the 3 metre
radius to RF radiation in excess of the MPE / SAR limits.
VHF antenna
Data Connection
The VHF antenna employed for AIS use:
•
Must be either a connected to a dedicated antenna, or shared
with your VHF Radio Transmitter antenna using our AST100
Antenna Splitter.
•
Must be suitable for marine shipboard applications (index of
protection, ruggedness, means of mounting, etc.)
•
Should be omni-directional and vertically polarised with unity
gain (0 dB) with a bandwidth sufficient to maintain VSWR <1.5
over the frequency range 156 – 163 MHz. As a minimum the
3dB bandwidth must cover the two AIS channels and the DSC
Channel.
•
Should be mounted with at least a two metre vertical separation
distance from any other VHF antenna used for speech or DSC
communication.
If an external display unit is to be used to show other AIS units within
range (such as a chart plotter, PC serial terminal or other display device)
connect the user end of the data interface cable to the display device.
Note that the software in the display device must be configured for AIS
operation .
There is a 9-way D-type female connector mounted at the rear of the
CSB200. The standard wire ended data cable assembly provided mates
with this connector.
9 Pin D Cable Colour
VHF Antenna Connection
Connecting a badly mismatched VHF antenna, leaving the VHF antenna
port disconnected, or shorting the VHF antenna port will activate the
VSWR alarm, cause the unit to stop sending position reports or cause
damage to the transponder.
Radio Frequency Exposure
To meet the requirements for Radio Frequency Exposure it is necessary
to install the VHF antenna correctly and operate the AIS equipment
according to the instructions.
The VHF antenna must be mounted at a minimum distance (vertical
separation) of 3 metres from the head of any person standing on deck in
order to meet international safety directives on Maximum Permissible
Exposure (MPE) / Specific Absorption Rate (SAR).
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Signal Name
BROWN
-NMEA Output (RS422)
RED
+RS232 Output
ORANGE
+RS232 Input
YELLOW
+NMEA Output (RS422)
GREEN
Ground
BLUE
Configurable Switch +
VIOLET
Not Used
GREY
+NMEA Input (RS422)
BLACK
-NMEA Input (RS422)
10
CSB200 Class B AIS
CSB200 Class B AIS
Connections to a PC.
PROGRAMMING THE CSB200
CSB200
PC 9 Pin Serial Port
2- Red -TX Data
2- RX Data
3- Orange- RX Data
3- Transmit Data
5 –Green-Ground
5 -Ground
Connections to a Plotter.
CSB200
Plotter/Radar
1 – Brown- NMEA Output B
NMEA Input B- Return
4 – Yellow NMEA Output A
NMEA Input A - Positive
Before the CSB200 can transmit it requires to be programmed with your
own vessels information. This configuration is done by the vendor of the
CSB200 using data of your vessel.
You will need to provide the vendor of the CSB200 with the following
information:
•
Your MMSI number
•
Your Vessel name
•
Your Radio Callsign
•
Your Vessel dimensions
•
The planned location of the AIS GPS antenna on your vessel
Instructions for programming the unit are provided to approved vendors
and are not available to end users.
Data
The default baud rate of the data link is 38.4kBaud with 8 data bits, one
stop bit and no parity. No handshaking is used.
The data interface conforms to IEC 61162-1.
VDM, VDO, RMC, ACA, ACS, ALR, TXT and ACK messages conform to
NMEA 0183. Please refer to the SERIAL DATA INTERFACE section of
this manual for full details of these AIS messages.
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11
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12
CSB200 Class B AIS
CSB200 Class B AIS
Using the CSB200
If the Red Error LED illuminates continuously the unit should be assumed
to be faulty and should either be switched off (power removed) or if this is
not practical any other vessel position information derived from the unit
should not be used and it should also be assumed that the unit is not
transmitting valid position information for your vessel.
Switching on
The unit should be examined by an authorised service agent at the
earliest opportunity.
LED Indicators
ON
When the 12VDC supply is switched on the green ON LED will light and
the other six LED’s visible on the front panel of the unit will illuminate
twice for a period of one second on each illumination. The Status, TX Off
and TX LEDs will then go out. The green RX LED will flash when it is
receiving data from other AIS units.
When the internal GPS is locked the yellow LED will go out and the
green Status Led will light; note that this process may take several
minutes depending on the switch-on state of the GPS receiver. The red
TX LED will flash momentarily every time the unit transmits.
NOTE If the unit has not been programmed with an MMSI number the
green RX, yellow Timeout and red Error LED will remain on.
Warning and Fault States
If the unit has not been able to transmit a position report during the last
expected two reporting intervals (i.e. the nominal reporting interval cannot
be maintained for operational reasons such as a Message 23 quiet
period, high channel load conditions, etc) the yellow LED will illuminate.
This is a warning condition only and indicates that your vessels
position is not currently being reported to other vessels. Reception of
other vessel AIS information by the CSB200 is not affected. When the
unit is able to commence reporting the yellow LED goes out.
If a fault occurs the red Error LED will illuminate. This may illuminate
briefly if the power supply is interrupted or if the VHF antenna
characteristics are briefly affected.
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13
This is a green LED which indicates, when lit, that power has been
connected correctly to the transponder.
Status
This is a green LED which indicates, when lit, that the transponder
hardware has been configured, that the operating software is present,
that the CPU has booted up, the application software is running and
everything is correct.
RX
This is a green LED which indicates when flashing that the CSB200 is
receiving data from other AIS transponders and is outputting this data as
VDM NMEA sentences on the output data ports. If the Green LED is on
continuously the unit has not been programmed with its personalised
data. It will still send received data to the output port, but will not transmit.
TX
This is a red LED which flashes momentarily when the CSB200 transmits
its own AIS data.
Timeout
This is a yellow LED which indicates when lit that the transmitter is
prevented from transmitting. Reasons for this include the following:
•
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The transponder’s internal GPS receiver is not operating or is
not yet ready.
14
CSB200 Class B AIS
•
CSB200 Class B AIS
The transponder was unable to transmit an AIS message due to
the channel being already occupied, e.g. by transmissions from
other AIS transponders, or the TX Off function is in operation.
Error
LED Status Indicators
Power
Status
Timeout
Error
TX
Off
TX
RX
Indicates
Blinking
Blinking
Normal
Fixed
No MMSI
Blinking
No GPS
Blinking
Tx off Switch
Blinking
SRM switch
This is a red LED which indicates, when lit, one of the following status
conditions is possible:
•
Transmitter lockout timer (1 second maximum) has operated
•
GPS is unable to gain lock after 30 minutes
•
VHF antenna VSWR is out of range
•
Power Supply is out of range
•
Background noise level is above the threshold level (-77dBm)
Transmit Off Facility.
The Blue LED can be configured by the vendor to operate in 3 modes :
•
Switch has no function, default mode as supplied.
•
Silent mode facility is provided in the event that you do not wish
to disclose your position to other users or to conserve power
when it is not necessary to transmit your position. The
transmitter can be turned off by connecting a simple ON/OFF
switch between the Blue cable on pin 6 and the Green cable on
pin 5. Closing this switch will cause the Blue-TX off LED and
the Yellow Timeout LED to light, the Green Status LED will
extinguish. Opening the switch will resume transmissions.
Reception of AIS data during this operation will not be affected.
•
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Send Safety Related Message will send a Type 14 message
with your MMSI number and the words MAYDAY MAYDAY. The
message can be turned on by connecting a momentary push on
button between the Blue cable on pin 6 and the Green cable on
pin 5. Holding the switch down for 3 seconds will activate the
function and cause the blue LED to light, it will stay illuminated
for 1 minute, further pushes of the switch, after the Blue LED
extinguishes, will repeat the message.
15
The table above is a quick reference check on the operational status of
the CSB200.
Built in Integrity Test
The CSB200 is equipped with Built In Integrity Testing (BIIT). BIIT tests
run continuously or at appropriate intervals simultaneously with the
standard functions of the equipment. The BIIT detects any failure or
malfunction that will significantly reduce integrity or stop operation of the
CSB200 unit.
The tests include:
•
AIS TX malfunction (synthesiser not locked and TX time-out not
exceeded)
•
Antenna VSWR exceeds limit
•
Rx channel 1 malfunction (synthesiser not locked)
•
Rx channel 2 malfunction (synthesiser not locked)
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16
CSB200 Class B AIS
CSB200 Class B AIS
•
Internal GPS not in use
•
No valid SOG information
•
No valid COG information
•
Background noise > -77dBm
•
GPS failure
•
VSWR exceeding the maximum allowed level
•
The input voltage is out of the specified range
SERIAL DATA INTERFACE
Serial Port Input/Output
There are two serial ports, one presenting NMEA (RS422) format and the
other RS232 format. Data can be input from either or both ports.
The serial port interface(s) output:
•
At power-up boot-loader and main application splash text
screens including version numbers and memory status.
•
As a VHF Data Link Message (VDM) all incoming VHF Data
Link (VDL) data received by the CSB200.
•
The VHF data link own vessel (VDO) messages sent by the
CSB200 over the VHF Data Link.
•
AIS regional channel assignment messages (ACA) received.
These are derived from an incoming VHF Data Link message
(message 22) or a DSC message.
•
AIS channel management information source (ACS) messages.
•
Alarm messages (ALR, TXT).
MAINTENANCE
WARNING: Unauthorized opening of the CSB200 unit will invalidate the
warranty.
CAUTION: Avoid using chemical solvents to clean the CBS200, solvents
may damage the case material.
NOTE: The CSB200 contains no serviceable parts. Contact your local
Dealer if the unit fails to function correctly.
The data interface will accept
•
Personality programming messages
•
Alarm acknowledgement messages (ACK)
On power up the unit will report details of the firmware versions residing
in the unit.
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17
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18
CSB200 Class B AIS
CSB200 Class B AIS
NMEA Messages
binary addressed
binary broadcast
Receipt of a VHF transmission on either AIS radio channel causes a
VDM message to be output via the data port.
VDM Message Format
!--VDM,x1,x2,x3,a,s--s,x*hh
•
x1 = Total number of sentences needed to transfer the message
, 1 to 9
•
x2 = Sentence number, 1 to 9
•
x3 = Sequential message identifier, 0 to 9
•
a = AIS Channel, "A" or "B"
•
s - - s = Encapsulated ITU-R M.1371 radio message
•
x = Number of fill-bits, 0 to 5
System control
binary acknowledge (INFO)
10
UTC and data inquiry (INFO)
11
UTC and data response (INFO)
13
safety related ack (INFO)
15
interrogation (INFO)
16
assignment mode command (INFO)
17
DGNSS corrections (INFO)
20
data link management (INFO)
22
channel management (INFO)
VDM Message Types
VDO Message Format
For example, the information contained in the s - - s portion of the VDM =
Encapsulated ITU-R M.1371 radio message. Note that messages 5 and
19 may be sent as multi part messages using the x1, x2 and x3
parameters for message sequence control
This sentence sends the own vessels details.
Message Format
!--VDO,x1,x2,x3,a,s--s,x*hh
VDL Message Number
VDM Message Description
AIS Target Display Information
1, 2, 3, 9,18, 21
position report
base station report
voyage related data
18, 24
Class B reports
19
Class B – extended data
•
x1 = Total number of sentences needed to transfer the message
, 1 to 9
•
x2 = Sentence number, 1 to 9
•
x3 = Sequential message identifier, 0 to 9
•
a = AIS Channel, "A" or "B"
•
s - - s = Encapsulated ITU-R M.1371 radio message 4
•
x = Number of fill-bits , 0 to 5
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20
Safety message handling
12
addressed safety related
14
broadcast safety related
External Application handling
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19
CSB200 Class B AIS
VDO
Message
Number
CSB200 Class B AIS
VDO Message Description
•
x7 = Power level control
•
a3 = Information source
AIS Target Display Information
•
x8 = In-Use Flag
13
Safety Related Acknowledgement
•
hhmmss.ss = Time of "in-use" change
18
Standard Class B position report (Includes MMSI, SOG,
position accuracy, lat, long, COG, true heading,)
ACS Message Format
24a
Class B “CS” Static data Part A (Includes MMSI and vessel
name)
This sentence is used in conjunction with the ACA sentence and
identifies the originator of an ACA message.
24b
Class B “CS” Static data Part B (Includes MMSI, ship type,
cargo type, call sign, ship dimensions)
$--ACS,x,xxxxxxxxx, hhmmss.ss,xx,xx,xxxx*hh 
ACA Message Format
•
x = Sequence Number , 0 to 9
•
xxxxxxxxx = MMSI of originator
•
hhmmss.ss = UTC of receipt of channel management
information
The CSB200 unit can receive regional channel management information
(ACA) in two ways: ITU-R M.1371 message 22 or a DSC telecommand
received on channel 70,
•
xx = UTC Day, 01 -31
Message Format
•
xx = UTC Month, 01 -12
$--ACA,x,llll.ll,a,yyyyy.yy,a,llll.ll,a1,y1y1y1y1y.y1y1,a2,x1,x2x2x2x2,
•
xxxx = UTC Year
x3,x4x4x4x4, x5,x6,x7,a3,x8,hhmmss.ss*hh 
•
x = Sequence Number , 0 to 9
ALR Message Format
•
IIII, II, a = Region Northeast corner latitude – N/S
Alarm message
•
yyyyy.yy,a1 = Region Northeast corner longitude – E/W
$--ALR,hhmmss.ss,xxx,A,A,c--c*hh
•
llll.ll,a = Region Southwest corner latitude – N/S
•
hhmmss.ss = Time of alarm (UTC)
•
y1y1y1y1y1.y1y1,a2 = Region Southwest corner longitude –
E/W
•
xxx = Unique alarm number
•
A = Alarm condition
•
x1 = Transition Zone Size
•
A = Alarm acknowledge state
•
x2x2x2x2 = Channel A
•
c--c = Alarm description, text
•
x3 = Channel A bandwidth
•
x4x4x4x4 = Channel B
•
AIS: TX malfunction
•
x5 = Channel B bandwidth
•
AIS: Antenna VSWR exceeds limit
•
x6 = Tx/Rx mode control
•
AIS: Rx channel 1 malfunction
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Alarms descriptions presented are:
21
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22
CSB200 Class B AIS
CSB200 Class B AIS
•
AIS: Rx channel 2 malfunction
•
AIS: general failure
•
AIS: no sensor position in use
•
AIS: no valid SOG information
•
AIS: no valid COG information
•
AIS: 12V alarm
•
AIS: 5V alarm
•
AIS: Loss of serial interface integrity
Average power consumption 4W
•
AIS: Background noise above -77dBm
Peak current rating 2A
PRODUCT SPECIFICATION
Physical:
Dimensions 190 x 128 x 50 mm (L x W x H)
Weight 600g
Power:
DC (9.6-15.6V)
GPS Receiver:
ACK Message Format
Can be generated by a minimum keypad and display (MKD) unit, chart
plotter or other display device connected to the CSB200 to acknowledge
an alarm condition reported by the CSB200.
IEC 61108-1 compliant
Electrical Interfaces:
$--ACK,xxx*hh 
•
RS232 38.4kBaud bi-directional
xxx = Unique alarm number
RS422 NMEA 38.4kBaud bi-directional
RMC Message Format
Connectors:
Own vessels GPS information
$GPRMC,hhmmss.ss,A,llll.lllll,a,yyyyy.yyyyy,a,x.x,x.x,xxxxxx,x.x,a,a*hh<
CR>
•
hhmmss.ss = UTC of position fix
•
A = Data Valid V = Navigation receiver warning
•
llll.lllll,a = Latitude, N/S
•
yyyyy.yyyyy,a = Longitude, E/W
•
x.x = Speed over ground, knots
•
x.x = Course over ground, degrees True
•
xxxxxx = Date, ddmmyy
•
A = Mode indicator Autonomous
Power
VHF Antenna connector BNC
GPS Antenna connector TNC
Interface RS232/RS422
VHF Transceiver:
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
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CSB200 Class B AIS
CSB200 Class B AIS
Output Power:
33dBm ± 1.5 dB
Channel Bandwidth:
Standards
This product complies with all the necessary standards under the
European R&TTE directive for Article 3.1(a), 3.1(b), 3.2 and 3.3(e). The
following standards have been followed in pursuance of this:
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)
VHF Receiver:
Sensitivity - 107dBm 25kHz (Message Error Rate 20%)
Co-Channel 10dB
Adjacent Channel 70dB
IMD 65dB
Blocking 84dB
IEC62287-1: 2006-03 Maritime navigation and radio communication
equipment and systems – Class B ship borne equipment of the automatic
identification system (AIS) – Part 1: Carrier-sense time division multiple
access (CSTDMA) techniques
IEC60945: 2002-08 Maritime navigation and radio communication
equipment and systems – General requirements – Methods of testing and
required test results
IEC61162-1: Maritime navigation and radio communication equipment
and systems – Digital interfaces – Part 1: Single talker and multiple
listeners
IEC61108-1: GLOBAL NAVIGATION SATELLITE SYSTEMS (GNSS) –
Part 1: Global positioning system (GPS) -Receiver equipment Performance standards, methods of testing and required test results
EN 301 843-1 v2.1: Electromagnetic compatibility and Radio spectrum
Matters (ERM); Electromagnetic Compatibility (EMC) standard for marine
radio equipment and services; Part 1: Common technical requirements
EN 50383: 2002 Basic standard for calculation and measurement of
electromagnetic field strength and SAR related to human exposure from
radio base stations and fixed terminal stations for wireless
telecommunications system (110MHz – 40GHz)
Environmental
IEC 60945
Operating Temperature: -25ºC to +55ºC
EN60950-1:2002 Information technology equipment – Safety – Part 1:
General requirements
Indicators
On, TX, RX, Status, TX timeout, Error, TX Off
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CSB200 Class B AIS
CSB200 Class B AIS
GLOSSARY
MMSI
Maritime Mobile Service Identity
MPE
Maximum Permissible Exposure
NMEA
National Marine Electronics Association
PC
Personal Computer
ACA
(AIS) Regional Assignment Channel Assignment Message
ACK
Acknowledgement
ACS
(AIS) Channel management information source messages
AFSK
Audio frequency-shift keying
ALR
(AIS) Alarm Message
A to N
Aid to Navigation
PI
Presentation Interface
RF
Radio Frequency
RTCM
Radio Technical
Commission
Commission
for
Maritime
AIS
Automatic Identification System
RX
Receive or Receiver
BIIT
Built In Integrity Testing
RFI
Radio Frequency Interference
BNC
Bayonet fitting type RF connector
SAR
Specific Absorption Rate
COG
Course over Ground
SELV
Separated Extra Low Voltage
CR
Carriage Return
SMS
Short Message System
CS
Carrier Sense
SOG
Speed over Ground
CSTDMA
Carrier Sense Time Division Multiple Access
SRM
Safety Related Message
DC
Direct Current
TDMA
Time-division Multiple Access
DGNSS
Differential Global Navigation Satellite System
TNC
Threaded type RF connector
DSC
Digital Selective Calling
TX
Transmit or Transmitter
GLONASS
Global Navigation Satellite System
UTC
Universal Time Co-ordinated
GNSS
Global Navigation Satellite System
VDM
(AIS) VHF Data Link Messages
GMSK
Gaussian Minimum Shift Keying
VDO
(AIS) VHF data link own vessel messages
GPS
Global Positioning Satellite / System
VHF
Very High Frequency
HF
High Frequency
VSWR
Voltage Standing Wave Ratio
IMO
International Maritime Organization
IEC
International Electro technical Commission
LED
Light Emitting Diode
LF
Line Feed
LNA
Low-noise Amplifier
MF
Medium Frequency
MKD
Minimum Keypad and Display
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Services
CSB200 Class B AIS
CSB200 Class B AIS
COMAR SYSTEMS LTD
Medina Court
Arctic Road
Cowes
Isle of Wight
PO31 7XD
United Kingdom
Telephone: +44 (0)1983 282400
Fax: +44 (0)1983 280402
E-Mail: techsupport@comarsystems.com
Internet: www.comarsystems.com
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---

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