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| This is from a previous post:
Directions for connecting to a Mobile Processor:
At the mobile processor connector (x551), there are no wires available for hooking up to a brand X receiver. From the receiver manufactures wiring diagram, determine which wires from the receiver are the signal transmit and signal ground. Locate pin F on the mobile processor. Pin F is RS232 RX. Add wires of your own to connect receiver TX to pin F. Signal ground should be hooked up through pin C. | |
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