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CDM1250 programming cable pinouts/signals

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scottmlq

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Dec 19, 2007
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Would appreciate any insights from the group re. whether the CDM1250 programming protocols support use of only GND and BUS+ for read/write (not flashing.)
I want to program via the rear accessory connector (have a remote head setup and the cable doesn't work via the remote head...perhaps because of the cable or because I'm using CPS 06.04.00) and plan to either use the RLN4853 adapter cable...or build my own based on the pinout diagrams found here...but I noted that the only common pins used between my
aftermarket serial ribless cable and the RLN4853 are GND and BUS+. Since this configuration appears to be all that's needed to program the Maxtrac's I'm curious
as to whether this is supported in the CDM environment as well.
Thanks for any comments & suggestions.
 
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