Comar Systems AST300 User Manual

Ais / vhf antenna splitter

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USER MANUAL AST300
AIS / VHF ANTENNA SPLITTER
SKU 001-1016
AST300-MA-v02r07
SKU 003-1016
2017-08-15
ENGLISH

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Summary of Contents for Comar Systems AST300

  • Page 1 USER MANUAL AST300 AIS / VHF ANTENNA SPLITTER SKU 001-1016 AST300-MA-v02r07 SKU 003-1016 2017-08-15 ENGLISH...
  • Page 3: Table Of Contents

    AST300 CONTENTS AST300 AIS / VHF ANTENNA SPLITTER ..........4 DOCUMENT ..................... 5 About This Manual ..................... 5 NOTICE ....................6 Copyright ......................6 GENERAL NOTICES ................7 INTRODUCTION ..................8 Parts List ......................8 MAJOR DIMENSIONS ................9 INSTALLATION ..................10 Before you Start....................
  • Page 4: Ast300 Ais / Vhf Antenna Splitter

    AST300 1 AST300 AIS / VHF ANTENNA SPLITTER...
  • Page 5: Document

    AST300 2 DOCUMENT About This Manual This Manual provides installation, operating Instructions and fault-finding procedures for the equipment to which it relates. After installation, this manual should remain with the vessel to which it relates. This manual may also be made available in electronic Portable Document Format (PDF). In PDF format, the following categories are all enabled as active hyperlink references: (1) The titles of each section;...
  • Page 6: Notice

    COMAR SYSTEMS LTD. COMAR SYSTEMS Vittlefields Technology Centre Forest Road NEWPORT Isle of Wight PO30 4LY UNITED KINGDOM tel: +44 (0)1983 828900 email: sales@comarsystems.com web: www.comarsystems.com COMAR SYSTEMS reserves the right to make changes to its products and specifications without notice...
  • Page 7: General Notices

    When necessary, upgrades to the product will be accompanied by updates or addenda to this manual. 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.
  • Page 8: Introduction

    5 INTRODUCTION Congratulations on the purchase of your Comar AST300 AIS Transponder Antenna Splitter. The AST300 allows your existing VHF antenna to be used by both a VHF radiotelephone and an AIS transponder or AIS Receiver. The AST300 also includes an output antenna connection for FM broadcast receivers, providing a third use for your existing VHF Antenna.
  • Page 9: Major Dimensions

    AST300 6 MAJOR DIMENSIONS All dimensions mm:...
  • Page 10: Installation

    AST300 7 INSTALLATION Before you Start You will need the following items and tools to complete the installation: ● Class ‘B’ AIS Transponder or AIS Receiver ● VHF Antenna and cable (either pre-installed or new) ● Access to 12 V dc or 24 V dc power supply where the unit is to be installed, via a 1 A rated fuse or circuit breaker ●...
  • Page 11: Installation Step 3

    AST300 ● Connect 12 V dc or 24 V dc power supply to the power cable. The wire should be connected to the positive power supply connection via a 1A rated fuse or circuit breaker. The blue wire should be connected to the negative power supply connection...
  • Page 12: Connection Diagram

    AST300 7.5.1 Connection Diagram...
  • Page 13: Operation

    AST300 8 OPERATION Operation of the Antenna Splitter is automatic and requires no user intervention. ● During operation, the Antenna Splitter will share the signals received (RX) at your VHF Antenna between both the VHF Radiotelephone and the AIS Transponder ●...
  • Page 14: Fault Finding

    AST300 9 FAULT FINDING Power LED not illuminated ● Check power supply connections and fuse or circuit breaker ● Check polarity of power supply connections ● Check power supply voltage ‘VHF’ LED does not illuminate when VHF Radiotelephone is transmitting ●...
  • Page 15: Specification

    AST300 10 SPECIFICATION 10.1 Physical Weight: 600 g (with bulkhead mounting bracket) Dimensions: L 140 x W 120 x H 50 mm Mounting: Bulkhead mounting bracket (supplied) Power: 1 m 2-core captive cable Antenna: SO239 UHF Connector Connections: VHF Radiotelephone:...
  • Page 16: Environmental

    Safe distance 0.5 m or greater for 0.3° deviation 10.5 Additional Information If spare parts are required then please contact either your supplier or COMAR SYSTEMS. COMAR SYSTEMS reserves the right to makes changes to its products and specifications without...
  • Page 17: Safety And Security

    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.
  • Page 18 AST300 NOTES...
  • Page 19 AST300 NOTES...
  • Page 20 COMAR SYSTEMS Vittlefields Technology Centre Forest Road NEWPORT Isle of Wight PO30 4LY UNITED KINGDOM tel: +44 (0)1983 828900 email: sales@comarsystems.com web: www.comarsystems.com...

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