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Connecting 8-pin male to 5-pin NMEA2000 male - help

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Connecting 8-pin male to 5-pin NMEA2000 male - help

Old 08-20-2017, 01:47 PM
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Default Connecting 8-pin male to 5-pin NMEA2000 male - help

Hi everyone,
I recently upgraded the radio on my boat from a Fusion MS-IP700i radio to a newer MS-UD750. The old radio for some reason had an 8-pin female connector, which Fusion apparently supplied an adapter cable for which I believe converted to a 5-pin male output. The new radio has the straight 5-pin male output. Because that adapter cable is run up into the innards of the boat, I can't really pull it out. So I need to connect the new 5-pin male NMEA2000 output to the 8-pin male connector on that old adapter cable.

I tried searching online but can't find any kind of adapter. Not even Fusion makes one - I guess they never thought anyone would try to upgrade their radio or at least have to re-use the adapter cable from the old one.

Any thoughts highly appreciated.
Thanks in advance
'Dubs
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Old 08-20-2017, 03:24 PM
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You can cut off the 8 pin connector and add a field attachable NMEA 2000 connector.

https://www.thegpsstore.com/Maretron...tor-P3263.aspx
Old 08-21-2017, 05:10 AM
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I think you need to remove the 8 pin converter. It can't be that hard. Otherwise run a new nmea cable to your backbone.
Old 08-21-2017, 09:06 AM
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The 8 pin cable is only a few feet long. You don't need an adapter. You need to Remove that adapter and plug the 5pin cable to back if new unit.


Unless you are talking old remote control cable. Then yes, Run a nmea2000 line to new remote if not already backbone. If the old remote is not n2k. You'll have to change that too.
Old 08-21-2017, 10:14 AM
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Thanks everyone. Based on the responses I looked at the length of that adapter cable and it only looks like it is about 3 feet long. Next time I am at the boat I will see if I can remove it. Hopefully there is enough slack in the line, next best would be that I would reach the other end of the cable to run a straight 5-pin extension cable.
Will let you all know - thanks for the insight.
'Dubs
Old 08-26-2017, 09:52 PM
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Originally Posted by smac999 View Post
The 8 pin cable is only a few feet long. You don't need an adapter. You need to Remove that adapter and plug the 5pin cable to back if new unit.


Unless you are talking old remote control cable. Then yes, Run a nmea2000 line to new remote if not already backbone. If the old remote is not n2k. You'll have to change that too.
Finally made it to the boat today and dug into this. Good news was I could remove the old adapter cable, just like smac says it wasn't too hard to pull out. There was a T-connector connecting the adapter cable to the main line running to the remote. I was able to directly hook up the NMEA output from the radio into this T-connector so now the remote and the radio are connected.

The bad news is, the remote doesn't power on. The adapter cable I removed was red in color, part number CAB000851, which is the "powered" drop cable. I'm taking this means the old radio output was powering the remote directly but the new one wants to be hooked in to a NMEA network and have the remote also hooked into the NMEA network. The Fusion MS-NRX-200i looks like it plugs right into a NMEA2000 connector. I don't see separate power wires (12V) for the NRX-200i remote. Would the remote get its power from the network if I plugged its cable into the Raymarine network box (I'm guessing I will need an adapter for that too).

I don't mind having a direct link between the radio and remote like the old setup had and bypassing the NMEA network, but not sure how to get power to the remote. Any ideas appreciated.

EDIT: Just came across a post on this forum which indicates a setting in the new radio may pertain to whether power is being supplied to the remote or not. Will check it out and report back.
Old 08-27-2017, 08:24 AM
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Just add a power drop to your nmea network. Easy and inexpensive..
Old 08-27-2017, 03:03 PM
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OK so I found in the settings menu on the UD750 radio where I can select to apply power to the NRX. I checked the box and now the remote powers up. It said "no connection" because it was looking for the old radio, so I told the remote to search for connected radios and it found the new one. Selected that one and now am off to the races, it works great. The radio and remote are still only on its private connection, as opposed to being integrated with the rest of the Raymarine setup, but that's how it was before and I'm fine with it for now.
Thanks everyone for help getting it sorted.
'Dubs

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