
5980 Whistle Operating Module
The Oceanic Systems’ 5980 Whistle Operating Module provides fully automatic control of the ship’s whistles and warning lights, which can be activated by any Poseidon display.
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3478 Relay Output Module
The Oceanic Systems 3478 Relay Output Module – 8 Way allows messages over the NMEA2000® network to directly control 8 power relays using standard NMEA2000® PGN messages.
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4530 CABIN TEMPERATURE & HUMIDITY MODULE
The 4530 Cabin Temperature & Humidity Module allows up to 16 Cabin Temperature & Humidity Sensors to be connected to the module and report the temperature and humidity values over the NMEA2000® network.
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4510 EXHAUST GAS TEMPERATURE MODULE
4511 EXHAUST GAS TEMPERATURE PROBE
The Oceanic System’s NMEA2000® 4510 Exhaust Gas Temperature Sensor and 4511 Exhaust Gas Temperature Probe are designed to measure the exhaust gas temperature of a marine engine or generator. It uses a highly accurate Type T thermocouple and reports the temperature directly onto the NMEA2000® network.
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4410 16 Channel Switch Input Module
The Oceanic Systems 4410 16 Channel Switch Input Module monitors switch closure devices and reports their status over the NMEA2000® network.
These devices can include fire/smoke/carbon monoxide detectors, bilge and flood float detectors, doorway and porthole closure detectors, valve status detectors and many more. With this module and suitable NMEA2000® displays the status of all these items can be viewed anywhere on the vessel.

4521 4 Channel Temperature Module
The Oceanic Systems’ 4521 4 Channel Temperature Module monitors up to 4 type K thermocouples and reports their temperature over the NMEA2000® network.

3271-SAM SENDER AVERAGING MODULE
The Oceanic Systems 3271-SAM Sender Averaging Module solves the problem of inaccurate tank level gauge readings caused by the tank contents moving to the aft of a long tank when the boat is in a bows up attitude whilst under power.
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5971 Navigation Light Controller
Oceanic Systems’ 5971 Navigation Light Controller and the 5972 8 channel expansion modules offers full control and monitoring of LED navigation lights over a standard NMEA2000® network.
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