GAPS - User Guide
1.2 Equipment Description
1.2.1 OVERVIEW
Figure 2 - Two possible architectures
Elements
The GAPS system consists of the following elements:
● GAPS head, 1.2.2
● GAPS BOX connects GAPS and the other system elements, 1.2.3
● Web-based User Interface is used to configure (mandatory) and to monitor (optional) the
real time data, 1.2.4
● Up to 40 moored or mobile acoustic transponders, 1.2.5
● Optional integrated DGPS antenna provides absolute positions of the ship to GAPS
Cables
Three cables are used in the GAPS system:
● Main cable links GAPS to the BOX
● Optional Y cable connects the GPS and the BOX directly to the GAPS.
● Optional GPS cable links the Y cable to the GPS antenna.
User GPS
If the expected accuracy of an external GPS is better than the GAPS integrated DGPS, it is
possible to connect it to the BOX (through the External GPS RS 232 serial link) and to use its
positioning data. In that case, the “Y” cable is not used.
MU-GAPS-AN-005-H - November 2019 17
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