Maritime navigation and radiocommunication equipment and systems. Class B shipborne equipment of the automatic identification system (AIS) - Self-organising time division multiple access (SOTDMA) techniques

Maritime navigation and radiocommunication equipment and systems. Class B shipborne equipment of the automatic identification system (AIS) - Self-organising time division multiple access (SOTDMA) techniques

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£348.00
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1   Scope

This part of IEC 62287 specifies operational and performance requirements, methods of testing and required test results for Class B “SO” shipborne AIS equipment using Self-organised TDMA (SOTDMA) techniques as described in Recommendation ITU-R M.1371. This standard takes into account other associated IEC International Standards and existing national standards, as applicable.
The main differences between Class B “CS” (IEC 62287‑1) and Class B “SO” units are that the Class B “SO”:
  • • covers all 25 kHz channels listed in Recommendation ITU-R M.1084-5;
  • • only uses the internal GNSS, no position sensor input is allowed;
  • • requires use of VDL Message 17 for correction of the internal GNSS;
  • • has a presentation interface;
  • • has additional reporting intervals, down to 5 s;
  • • has two power settings, with a high level of 5 W;
  • • has the capability to transmit binary messages.
It is applicable for AIS equipment used on craft that are not covered by a mandatory carriage requirement of AIS under SOLAS Chapter V.