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i40 Depth and Speed - "extension" cable.
03-08-16, 10:46 AM
Post: #1
i40 Depth and Speed - "extension" cable.
I'd like to add an i40 Speed and Depth display to my little sailboat.

She came with an AirMar B744. I have confirmed that the temperature and speed sender is OK, and I'm hoping the piezo depth transducer is OK as well. If not, I'll just have to buy and install a new transducer, but I'd certainly like to try this one first.

One thing that concerns me is that the cabling from the B744 will not reach the proposed location of the i40.

I can certainly extend it, and do so in a workmanship manner (my background is electronics).

My question is .. does anyone have any advice or comments on this extension, such as

. don't do it, will never work, or

. use shielded twisted pair, or

. do NOT use twisted pair; parallel only, or

. minimum gauge is, or

. maximum length is

or any similar hints. I understand "as short as possible", but any other info would be much appreciated.

Thanks in advance.


There is NOTHING -- absolutely nothing -- half so much worth doing as simply messing about in boats.
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i40 Depth and Speed - "extension" cable. - alan-bc - 03-08-16 10:46 AM

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