Table of Contents

Foreword
1 Scope
2 Normative references
3 General requirements
   3.1 Construction
   3.2 Switching time
   3.3 Frequencies
   3.4 Classes of emission
   3.5 Controls and indicators
   3.6 Facilities for equipment for coding and
       decoding of DSC
   3.7 Alarm circuits
   3.8 Interfaces between DSC equipment and external
       circuits
   3.9 Safety precautions
   3.10 Compass safe distance
   3.11 Instructions
   3.12 Warming-up period
4 Test conditions
   4.1 General
   4.2 Generation and examination of the digital
       selective call signal
   4.3 Standard test signals
   4.4 Determination of the symbol error rate in
       the output of the receiving part
   4.5 Impedance of test signal sources
   4.6 Connection of test signals
   4.7 Test power source
   4.8 Internally generated signals
   4.9 Normal test conditions
   4.10 Extreme test conditions
   4.11 Environmental tests
   4.12 Measurement uncertainty and interpretation of
        the measuring result
5 MF/HF transmitter with integrated DSC encoder
   5.1 Frequency error
   5.2 RF output power
   5.3 Modulation rate
   5.4 Residual modulation of the transmitter
   5.5 Unwanted emission
   5.6 Testing of generated call sequences
   5.7 Tuning time
   5.8 Protection of transmitter
6 VHF transmitter with integrated DSC encoder
   6.1 Frequency error (carrier)
   6.2 Frequency error (demodulated signal)
   6.3 Carrier power
   6.4 Modulation index
   6.5 Modulation rate
   6.6 Residual modulation of the transmitter
   6.7 Adjacent channel power
   6.8 Conducted spurious emissions conveyed to
       the antenna
   6.9 Testing of generated call sequences
   6.10 Transient frequency behaviour of the
        transmitter
7 MF/HF DSC encoder
   7.1 Frequency error
   7.2 Output voltage
   7.3 Bit stream speed
   7.4 Unwanted spectral components of the
       output signal
   7.5 Testing of generated call sequences
   7.6 Residual frequency modulation
8 VHF DSC encoder
   8.1 Frequency error
   8.2 Output voltage
   8.3 Bit stream speed
   8.4 Unwanted spectral components of the
       output signal
   8.5 Testing of generated call sequences
   8.6 Residual frequency modulation
9 MF/HF receiver with integrated DSC decoder
   9.1 Scanning watch receiver efficiency
   9.2 Calling sensitivity
   9.3 Adjacent channel selectivity
   9.4 Co-channel rejection
   9.5 RF intermodulation response
   9.6 Interference rejection and blocking immunity
   9.8 Conducted spurious emissions
   9.9 Verification of correct decoding of various
       types of digital selective calls
   9.10 Protection of receiver antenna input circuits
10 VHF receiver with integrated DSC decoder
   10.1 Maximum usable sensitivity
   10.2 Co-channel rejection
   10.3 Adjacent channel selectivity
   10.4 Spurious response and blocking immunity
   10.5 Intermodulation response
   10.6 Dynamic range
   10.7 Conducted spurious emissions
   10.8 Verification of correct decoding of
        various types of digital selective calls
11 MF/HF DSC decoder
   11.1 Interface for scanning
   11.2 Scanning efficiency
   11.3 Dynamic range
   11.4 Verification of correct decoding of
        various types of digital selective calls
12 VHF DSC decoder
   12.1 Dynamic range
   12.2 Verification of correct decoding of
        various types of digital selective calls
Annex A (normative): Test calls
      A.1 Types of calls to be tested
      A.2 Telecommands applicable to DSC shipborne
          equipment
Annex B (normative): Specifications for adjacent
        channel power measurement arrangements
      B.1 Power measuring receiver specification
History

Abstract

States the minimum requirements for equipment to be used for generation, transmission and reception of Digital Selective Calling (DSC) for use on board ships.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	European Telecommunications Standards Institute
Pages
ISBN
Committee	RES 1