What is the difference between the MRU Marine and MRU Marine SW?

The MRU Marine has an IP-68 rating, uses a Lemo 16-pin connector and has indicator lights.
The MRU Marine SW can be used in up to 50 m water depth and uses a SubConn 8-pin or 16-pin connector.

The MRU Marine SW uses a SubConn 8-pin connector
It offers the following connection combinations:
- Ethernet & RS-232
- Ethernet & 2-wire RS-485
The MRU Marine SW16 uses a SubConn 16-pin connector
It has all available connections: Ethernet & RS-232 & 4-wire RS-485 & PPS

Related questions

When navigating the complexities of motion sensing and navigation systems, it is essential to understand the distinctions between devices and systems like Inertial Measurement Units (IMUs), Inclinometers, Roll & Pitch sensors, Vertical Reference Units (VRU), Attitude and Heading Reference Systems (AHRS), Motion Reference Units (MRUs), Gyrocompasses, and GNSS-Aided Inertial Navigation Systems (GNSS/INS). Each serves specific purposes and offers different levels of functionality, accuracy, and application scope.
Gyrocompass
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The MRU Compact uses a standard RJ45 ethernet cable where power is supplied through Passive PoE (Power over Ethernet). In most cases you cannot connect the MRU directly to a an ethernet switch with PoE, since most of these are Active PoE.
We normally supply your first MRU Compact with a start kit containing a POE RJ45 spliter socket. You will only need standard RJ45 cat5 ethernet cables to connect the MRU to the spliter socket and the spliter socket to your PC or ethernet switch.
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What is the purpose of the MRU in classed vessels?
The MRU (Motion Reference Unit) monitors vessel motions to evaluate risks related to sloshing and structural fatigue in cargo containment systems. It supports a condition-based inspection regime under DNV’s Alternative Survey Programme (ASP).
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