Quantum/Quantum 2 radome not communicating via Data Cable with MFD running LH II

[Chuck - Raymarine - Moderator]

Quantum/Quantum 2 radome not communicating via Data Cable with MFD running LightHouse II software

It is recommended that radomes and open array pedestals be powered from a dedicated power circuit , permitting power to the radomes and open array pedestal to be switched ON/OFF without affecting the power state of the system's other marine electronics devices. Should a radome not detect the presence of a MFD within 10 minutes of the circuit supplying it with power having been energized, then the Quantum/Quantum 2 radome will enter sleep mode. Sleep mode may only be exited by cycling power to the radome via the aforementioned switched power circuit.

Should awakening the radome not be achieved via the procedure specified above, then it would be recommended that the vessel be connected to shore power, that its batteries be permitted to achieve a fully charged state, and that afterwards and while still connected to shore power that the system then be tested. Should the system function properly, then the previously reported issue would indicate a low power condition previously existed onboard necessitating more frequent charging, and/or additional battery capacity, and/or battery replacement.

Should the communications problem persist when connected to shore power, then the following procedure may be used to troubleshoot communications between a MFD running LightHouse II software and a Quantum/Quantum 2 radome:
1. Verify that the MFD has been updated with latest available Raymarine product software update.

2. Verify that the Quantum/Quantum 2 radome has been updated with the latest available Raymarine product software update. Note that this may not be possible if MFD is unable to communicate with the radome.

3. Verify that Raymarine cables supporting Ethernet communications have exclusively been used.

4. Verify that Quantum data cable, Digital Radar Cable, and Ethernet cables have not been spliced / modified. Should a Raymarine cable supporting Ethernet communications have been cut to facilitate chasing the cable, then pair of shielded RJ45 plugs should be fitted to the cut ends of the cable and the cable ends would then be joined using a R32142 Waterproof RJ45 to RJ45 Coupler.

5. Verify that excess Quantum Data Cable, Digital Radar Cable, and Ethernet cables has been loosely coiled (6" minimum diameter) and secured to a bulkhead. Excessively tight radius bends can impair Ethernet communications and may permanently damage cables.

6. Verify that no AC ripple or other electrical noise is present in the circuits supplying power to the marine electronics.

Should the items specified above not identify any issues with the installation, then it would be recommended that a System Settings Reset (HOME->SET-UP->MAINTENANCE->SYSTEM SETTINGS RESET) be performed via the system's Data Master MFD, that the system be re-configured, and that communications with the Quantum radome then be established via the MFD's Radar application.

Should the problem persist, then it would be recommended that one verify whether the MFD's Ethernet communications port with which is being used to communicate with the Quantum radome is operational. This would be most commonly accomplished by interfacing the MFD to another compatible device having an Ethernet communications interface and testing the MFD's ability to communicate with the other device. The MFD's diagnostics feature (HOME->SETTINGS->NETWORK->DIAGNOSTICS->PRODUCT INFO) may be used to produce a list of devices having an Ethernet or NMEA 2000 communications interfaces which the MFD is communicating with. Should the MFD list a device with which it is conducting Ethernet communications (an IP address will be listed) is communicating with, then the MFD's Ethernet communications interface would be deemed operational. Please click here to view a FAQ addressing how testing of Ethernet components may be performed. Should fault isolation / troubleshooting identify one or more devices having a faulty Ethernet communications interface, then the device(s) should be sent to Raymarine’s Product Repair Center to be bench tested/serviced.


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