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LD2103 V3.0 Page 24 of 33 

SRT Marine 

 

Instruction Manual 

SRT-MTB

©

 Class B Marine AIS 

General arrangement 

 

 

 

LD 2111

AIS CLASS B TRANSPONDER 
UNIT DIMENSIO NS

2

1 :1

1       PRODUCT ION RELEASE                                                         2 3/0 2/06
2     BUTTO N C HANG ED TO M EM BRANE SWITC H                   15/6/0 6

10

0

,0

3

0

,0

1

5

,0

1

6

0

,0

1

9

0

,0

17 5,0

13 5,0

20 ,0

16 0,0

7 ,5

R 8,0

90

,7

2

,

0

O 5 ,5

4 H OLES

DRAWN

CHECKED

UNLE

S S OTHERWISE SPECIFIED

DIMENSIONS ARE IN M ILLIMETERS

ANGLES ± 0.5 °

0. 0 ± 0.2    0 .0 0 ± 0.1

NAME

M .  KENDA LL

DATE

0 6/1 5 /0 6

TITLE

SIZE

A1

DWG  NO

REV

F

ILE N AME: LD 21 11 - 2.d

ft

S

C AL E:

SHEET 1  OF 1

REVISIO N HISTO RY

REV

DESCRIPTION

DATE

APPRO VED

SOFTWARE RADIO  TECHNO LOGY PLC

WESTFIELD INDUSTRIAL ESTATE
MIDSOMER NORTON, BATH, UK.
BA3  4BS

C O P

Y R

I GH T

     T

H IS  DRAWIN G  IS  NOT  T

O   BE REPRO DUC ED 

WITHO UT

  WRITTEN PE RMI SSIO N FRO M  SRT  PL

C .

M ATERIAL

FIN ISH

RUBBER SHEET
1m m  THICK
G RADE TO BE DECIDED.

TH IRD  AN GLE PRO JEC T

IO N

 

Summary of Contents for Class B

Page 1: ...LD2103 V3 0 Page 1 of 33 SRT Marine User Manual Transas Class B Transponder V1 0...

Page 2: ...the transponder 11 Programming software 11 Configuration 11 Using the transponder 12 Switching on 12 Switch functions 12 Warning and fault states 12 Data port messages 12 Information Transmitted and...

Page 3: ...l SRT MTB Class B Marine AIS Antenna connections 21 GPS Antenna 21 VHF Antenna 21 Antenna types and mounting 21 Drawings 22 Packing list 22 Glossary 29 Appendix A 31 Antennas and Antenna Mounting 31 G...

Page 4: ...FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy an...

Page 5: ...conjunction with any other transmitting antenna This device has been designed to operate with standard marine VHF antennas having a maximum gain of 3dBi Antennas not included in this list or having a...

Page 6: ...des 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 70d...

Page 7: ...nd 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 m...

Page 8: ...o 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 nav...

Page 9: ...a to the VHF antenna port and connect the down lead of a GPS antenna to the GPS antenna port Please see Appendix A for recommendations on antennas and antenna installation If an external display unit...

Page 10: ...SRT MTB Class B Marine AIS unit is not attached to metal parts of the vessel Physical Mounting It is recommended that the unit is attached to a solid wooden surface with 20mm M3 self tapping screws A...

Page 11: ...ftware is designed to be installed on a PC and to use the data lead provided as standard with the TRANSAS AIS CLASS B unit If the PC being used for programming does not have a 9 pin serial port then a...

Page 12: ...onfigured to place the unit into Silent mode each press of the switch will toggle the AIS transmitter on or off The switch must be depressed for two seconds to change the state of the transmitter When...

Page 13: ...n 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 m...

Page 14: ...ng The transponder s internal GPS receiver is not operating or is not yet ready 1 requires that a class B CSTMA transponder shall not transmit if its internal position sensor is not operating The tran...

Page 15: ...illuminated TIMEOUT ERROR STATUS POWER Silent mode is indicated by both the yellow and blue LEDs being illuminated TIMEOUT ERROR STATUS POWER Antennas The TRANSAS AIS CLASS B unit requires VHF and GPS...

Page 16: ...DM VDO ACA ACS ALR TXT and ACK messages conform to NMEA 0183 Please refer to NMEA 0183 for full details of these AIS messages Serial Port Input Output There are two serial ports one presenting RS422 f...

Page 17: ...ulated ITU R M 1371 radio message x Number of fill bits 0 to 5 VDM Message Types For example the information contained in the s s portion of the VDM Encapsulated ITU R M 1371 radio message Note that m...

Page 18: ...Information 13 Safety Related Acknowledgement 18 Standard Class B position report Includes MMSI SOG position accuracy lat long COG true heading 24a Class B CS Static data Part A Includes MMSI and vess...

Page 19: ...hhmmss ss xx xx xxxx hh CR LF x Sequence Number 0 to 9 xxxxxxxxx MMSI of originator hhmmss ss UTC of receipt of channel management information xx UTC Day 01 31 xx UTC Month 01 12 xxxx UTC Year AIS Al...

Page 20: ...erface integrity AIS Background noise above 77dBm ACK messages Can be generated by a minimum keypad and display MKD unit chart plotter or other display device connected to the TRANSAS AIS CLASS B to a...

Page 21: ...a TNC female bulkhead connector mounted under the unit top cover This port provides the 5V DC feed for the active GPS antenna required by the TRANSAS AIS CLASS B unit VHF Antenna This is a BNC female...

Page 22: ...WING 1 NA NOTAP PLICABLE 9 LD2110 INS T ALLAT ION DIAGRAM 1 1 2 3 5 5 4 6 7 8 9 10 11 LD2121 POWERCABLEASS EMBLY KIT3 0 5m LONG 1 12 LD2134 MOUNT ING S CREWKIT 1 11 12 2 MAGNETP ACKREMOVED 15 6 06 DRA...

Page 23: ...0 0 160 0 DRAWN CHECKED NAME M KENDALL DAT E T IT LE S IZE A4 DWG NO RE V FILENAME LD2104 2 dft S CALE S HEET1 OF 1 REVIS ION HIST ORY REV DESCRIPT ION DAT E APPROVED S OFT WARERADIO T ECHNOLOGYP LC W...

Page 24: ...ECI FI E D DIMENS IONSAREINM ILL IMET E RS ANGLES 0 5 0 0 0 2 0 00 0 1 NAME M KEND A LL DA T E 06 15 06 TI TLE SI ZE A1 DWG N O REV F IL E N A M E L D 2 111 2 d ft S C A L E S HEE T1 OF1 RE VI SI O N...

Page 25: ...8 NA NOT APPLICABLE 24 REFERT O NOT E 25 THIS DRAWING SHOWS TWO BUILD VARIANTS 1 FITTED WITH MEMBRANE ALERT SWITCH PANEL USE ITEM 24 2 NO ALERT SWITCH FITTED USE ITEM 25 COMPONENTSNOTS HOWN REFERT O N...

Page 26: ...LD2103 V3 0 Page 26 of 33 SRT Marine Instruction Manual SRT MTB Class B Marine AIS Cable Assemblies POWER CABLE ASSEMBLY LD 2109...

Page 27: ...LD2103 V3 0 Page 27 of 33 SRT Marine Instruction Manual SRT MTB Class B Marine AIS CLASS B TRANSPONDER VHF EXTERNAL CABLE LD 2131...

Page 28: ...LD2103 V3 0 Page 28 of 33 SRT Marine Instruction Manual SRT MTB Class B Marine AIS POWER AND DATA CABLE ASSEMBLY LD 2122 BLACK RED...

Page 29: ...C Direct Current DGNSS Differential Global Navigation Satellite System DSC Digital Selective calling GLONASS Global Navigation Satellite System GNSS Global Navigation Satellite System GMSK Gaussian Mi...

Page 30: ...on Rate SMS Short Message System SOG Speed over Ground SRM Safety Related Message TDMA Time division Multiple Access TNC Threaded type BNC connector TX Transmit or transmitter UTC Universal Time Co or...

Page 31: ...through 360 degrees with a vertical angle of 5 to 90 degrees above the horizon As the received GPS signal is very sensitive to noise and interference generated by other onboard transmitters ensure th...

Page 32: ...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...

Page 33: ...LD2103 V3 0 Page 33 of 33 SRT Marine Instruction Manual SRT MTB Class B Marine AIS...

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