SKANTIUAIS 2100

Improved Safety at SeaWith an AIS system on board, data can bereceived automatically from other AISequipped vessels or base stations withinVHF range. The UAIS transponder communi-cates on a VHF data link, which enables theUAIS to “see around corners and obs-tacles”. The data presented on suitable dis-play equipment, such as the SKANTI KDU2100 Keyboard Display Unit, can providenavigators with important information longbefore visual contact is established.

Text MessagesThe AIS system can also be used to transmittext messages between vessels within VHFrange, or from vessel to shore and viceversa. This capability is particularly usefulfor broadcasting safety messages, portconditions, etc. This text message functionwill undoubtedly facilitate inter-vesselcommunication.

SKANTIUAIS 2100

The SKANTI UAIS 2100 is a new Class Ashipborne Universal Automatic

Identification System. Designed to meetthe International Maritime Organization’s

(IMO) requirements for AIS equipmenton board SOLAS vessels.

IMO Requirements apply for: DeadlineAll newbuildings constructed on or after July 1, 2002All passenger ships July 1, 2003Tankers of all sizes July 1, 2003*Vessels of 50,000 and greater gross tonnage July 1, 2004All other vessels covered by SOLAS December 31, 2004*Not later than the first survey for safety equipment on or after July 1, 2003

Summary of US Regulations, based on the IMO requirements

The Maritime Transportation Security Act of 2002 applies for:Self-propelled commercial vessels more than 65 ftPassenger ships (size not yet decided)Towing vessels more than 25 ft and more than 600 hpOther vessels as may be determined by the Coast Guard through regulation.

Deadlines

All newbuildings built on or after January 1, 2003

All SOLAS passenger ships and all tankers and towing vesselsmoving a tank vessel on or after July 1, 2003

All other affected vessels on or after December 1, 2004

Listen-Only ModeAs a special feature, the SKANTI UAIS 2100has the possibility for a Listen-Only Mode.Via the menu structure of the KDU, the UAIStransmitter can be switched off, whichdisables the automatic transmission of AISinformation. Other AIS equipped vessels canthus not identify the vessel. However, thetransponder will continue to receive all infor-mation transmitted from other AIS equippedvessels or base stations. The Listen-OnlyMode is highly suitable for vessels operatingin situations where anonymity is required,such as Coast Guard, Navy and environ-mental surveillance.

New IMO Safety StandardsThe IMO has introduced new requirementsfor safety equipment on board: Accordingto Resolution MSC.74 (69), Annex 3, allSOLAS vessels must install AIS transpon-ders between the years 2002 and 2004,according to the pre-defined deadlines fordifferent categories of ships mentioned below.

SKANTIUAIS 2100

Differential information can be fed to theDGNSS port to obtain D-GPS positionaccuracy.

AIS ChannelsThe two VHF receivers and the VHFtransmitter are, as standard, tuned tothe assigned AIS channels 87 and 88.In areas where other AIS channels areused, the transponder’s channel 70 DSCreceiver automatically switches to therequired local AIS frequencies.The DSC message to switch channels isbroadcast by local shore authorities.

Antenna RequirementsSKANTI UAIS 2100 requires connectionto only one VHF antenna and one GPSantenna. The transponder can receiveboth GPS and DGPS signals.

Interface to Display SystemsThe SKANTI UAIS 2100 is a “singletalk - multi listener” system, making thetransponder very flexible and easy tointerface with various displays systems.In addition to displaying data on theSKANTI KDU 2100, the received datacan thus be displayed on systems suchas ECS, ECDIS and ARPA radars.Interfacing with other advanced systemsmakes it possible to display vessels asAIS icons on the ECS/ECDIS maps or astargets on the ARPA radar. The SKANTIKDU 2100 can display the thirty nearestvessels graphically. This exceeds by farthe minimum requirement from IMO,which is display of data from the threenearest vessels within VHF range.

Interface to Navigational EquipmentBy means of the dedicated sensor portson the SKANTI UAIS 2100, it is possible

to interface with different kinds ofnavigational equipment.

Sensor 1Sensor 1 is for input and output. An external GPS/D-GPS is normallyconnected to this sensor and is the mainsource of position information. However,if input from this equipment fails, thebuilt-in 12-channel GPS serves as back-up and will automatically take over thetransmission of the vessel’s position.

Sensors 2 and 3Sensors 2 and 3 are for input only. Theyare available for connection of additionalinstruments, such as gyro compass,speed log and ROT sensors. Informationfrom these sources is included in trans-missions to AIS receivers, further en-hancing the level of surveillance of trafficin the area.

Examples of exchanged data

STATIC DATA DYNAMIC DATA VOYAGE RELATED DATAMMS/IMO Number Position DraughtCall Sign/Name UTC Cargo/Hazard TypeLength/Beam Course/COG ETA/DestinationType of Ship Speed/SOG RouteGPS Antenna Location Navigation Status Number of Passengers

HeadingRate of Turn/ROT

Transmission within VHF rangeThe transponder automatically transmitsand receives data to/from all AIS-equipped vessels or base stations withinVHF range. The technology used for thishighly advanced automatic communica-tion is SOTDMA (Self-Organized TimeDivision Multiple Access). It uses theextremely accurate standard timereferences supplied via GPS signals tosynchronize data transmission frommultiple users - thus preventing inter-ference and loss of information. TheGPS provides both the universal timereference and the positioning data foreach vessel.

The SKANTI UAIS 2100 has been prepa-red for connection to a satellite terminal,e.g. an Inmarsat-C. This feature is usefulwhen access to a vessel’s data isneeded from shore through a satelliteservice.

The integrated transponder systemconsists of the following units:• Two VHF radio data receivers • One VHF radio data link transmitter• One DSC Channel 70 receiver• One 12-channel GPS receiver• One main computer unit• One interface module for external

equipment

Display of InformationTo present the information, an externalkeyboard display unit must be con-nected to the transponder. The SKANTIKDU 2100 has been designed tointerface with the SKANTI UAIS 2100and to meet the requirements for aneasy-to-use keyboard display unit. Thelarge graphical display presents the dataof the nearest thirty vessels. Additionalinformation is available by scrolling oraccessing sub-menus. The SKANTI KDU2100 can also be used for manual inputof messages concerning voyage orsafety and for operation of AIS anddata selection.

SKANTI UAIS 2100 Features:• Wheelmark Approved• Designed for the maritime

environment - IP66• Compact and ruggedized

transponder• Easy installation• Designed for ship cabling• Cable mounting directly on terminal

board• Easy service access• Primary Display Port (Presentation

Interface)• Pilot Port• Long Range Port• Standard Interfaces• Standard Service Interface with

Windows and Linux based software

SKANTI KDU 2100 Features:• Small, compact design• Large 24 x 40 line graphical back-lit

display• Hard and soft keys• Large buttons• “Intuitive Menu Structure”• Standard RS-422 interface• Flush and desktop mounting

SKANTIUAIS 2100

The Universal Automatic IdentificationSystem from SKANTI is a complex

system with extensive flexibility thatallows interfacing with other on-board

systems.

BELOW DECK

ABOVE DECK

GPS Antenna VHF Antenna

UAISTransponder

Sensor 1I/0 NMEA 0183Keyboard

Display Unit

RS-422

PresentationInterface RS-422

PilotNMEA 0183

Sensor 2NMEA 0183

Sensor 3NMEA 0183

Alarm

Long Range24V DC

NO/NC

TechnicalSpecificationClass A shipborne equipment of theUniversal Automatic Identification System(UAIS). Designed according to ITU.RM.1371-1, IEC 61993-2, IEC 61162-2, IEC61162-1 and the IMO resolution MSC.74(69)Annex 3.

ServicesGPS Position reporting rates in accordancewith ITU.R M.1371.

External I/FNMEA 0183 version 3, IEC 61162-2 inter-faces, some configurable to IEC 61162-1:• RS-422 connection for Presentation

Interface• RS-422 connection for Keyboard Display

Unit• RS-422 connection for Pilot• RS-422 connection for Sensors 1 to 3• Connection of Long Range terminal

DGNSS (ITU 823-3)• RS-422 connection for DGNSS correction

Alarm• Connection of external alarms

Antenna:• Connection of VHF antenna• Connection of GPS antenna

Transmission156.025 - 162.025 MHz (normal maritimetuning range for UAIS, 12.5 or 25 kHzchannel spacing). Output power = 2 or 12.5Watt (RF OUTPUT NOT EIRP)

Reception156.025 - 162.025 MHz (normal maritimetuning range for UAIS, 12.5 or 25 kHzchannel spacing)

Modulation TX/RX 9.6 kbit/s GMSK

Power supplySupply voltage: 24 Volt DC (+30% to ÷10%)per IEC 60945.Type of supply: Switch mode with galvanicisolation.Power consumption (current): 1.2A at24V DC, max 2.5A (momentarily duringtransmission)

Environment Temperature range: ÷15°C to +55°C.According to EMC IEC 60945.Salt fog as defined in IEC 60945.VIBRATION per IEC 60945. Designed for themaritime environment (IP66)

Dimensions and WeightW x H x D : 330 mm x 180 mm x 230 mmWeight: 7 kg

Specifications subject to change without notice.

SKANTI®

Porsvej 2, PO Box 70719200 Aalborg SV, Denmark

Phone: +45 70 13 91 00Fax: +45 70 13 91 01

E-mail: skanti@skanti.dkhttp://www.skanti.dk P

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