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Connecting UCM05 to a rev E mainboard
 Moderated by: slychiu
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 Posted: Wednesday Sep 10th, 2008 04:11 pm
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Julian.Driver
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I have just received my brand new UCM05, and the instructions tell me to connect to J15. Unfortunately this doesn't exist on my board!

Do I need to connect to KA, KB, 12v and Gnd as the older UCM was? (i.e. cut off the mainboard connector and use the bared wires)



 Posted: Wednesday Sep 10th, 2008 11:30 pm
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slychiu
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Comfort I has a similar 4 way connector, not called J15 (cannot remember what it is) except if it is a really old version
Anyway you dont need to cut any wires. The UCM has terminal blocks for 12V COM, KA, KB you can connect to Comfort terminals



 Posted: Thursday Sep 11th, 2008 05:56 am
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Julian.Driver
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Are you saying it is better to use the separate connector blocks on the UCM (JP4 & JP3) going directly to their equivalents on the old manboard, rather than using JP2 or JP2A?



 Posted: Thursday Sep 11th, 2008 06:16 am
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slychiu
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Electrically it is the same
The JP2 connection with the 4 core cable is more for convenience, (but not if you dont have the connector on the main board).  Using the terminal blocks gives a more secure connection as it is screw tightened



 Posted: Thursday Sep 11th, 2008 06:36 am
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Julian.Driver
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Brilliant, many thanks for the quick reply!



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