Glossary
Eclipse 3D Imaging Sonar
Document: 0690-SOM-00001, Issue: 01
44
© Tritech International Ltd.
PCI
Peripheral Component Interconnect - used to refer to both
the transfer bus and the socket for expansion cards within a
computer.
Portable Document Format - a file format designed for the
distribution of documents among different operating systems and
devices.
PSU
Power Supply Unit
RJ45
Registered Jack wiring scheme commonly used to refer to
the 8 position 8 contact (8P8C) connector wired for Ethernet
communications.
ROV
Remotely Operated Vehicle
RS232
Traditional name for a series of standards for serial binary data
control signals.
RX
Receive (data)
SCU
Surface Control Unit - a specially manufactured computer which
is rack mountable and capable of processing the data from
the sonar equipment running either Windows XP Embedded or
Windows 7 and Seanet Pro or Gemini software.
SOS
Speed of Sound
SPU
Surface Processing Unit - a more powerful specialised computer
than the Tritech Surface Control Unit (SCU) capable of driving
multiple sonar heads.
STP
Shielded Twisted Pair (cable) - a standard for communications
cable with no cable screen and foil pair shielding (known as
Unshielded Foil Twisted Pair (U/FTP) under ISO/IEC 11801).
TAQ
PCI Timestamped Acquisition card - the PCI card in the Eclipse
SPU which the Eclipse Ethernet cable connects to.
TX
Transmit (data)
USB
Universal Serial Bus.
VGA
Video Graphics Adapter
WMV
Windows Media Video - a compression format for several
proprietary codecs developed by Microsoft for storing video
files.
XML
Extensible Markup Language. A markup language and file
format that is designed to be both human and machine readable.