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roaming | <p>277885A1 is a Trimble 30945, Ted. As you noted, Trimble stayed with the serial spec, while AgLeader bastardized it to fit their needs. Therefore, Trimble supplies power to the receiver via separate power/ground leads. Complete pinout for that cable is:</p><p>Round connector DE9 (DB9)</p><p> 1 4</p><p>2 (Tx) 2</p><p>3 (Rx) 3</p><p>4 -</p><p>5 (Data gnd) 5<br /></p><p>6 6</p><p>7 (SUPPLY) -<br /></p><p>8 8</p><p>9 - </p><p>10 (SUPPLY) - </p><p>11 (GROUND) -</p><p>12 9</p><p>NOTE: Since Ag Leader uses DE9 pins 4 & 6 to supply 12v power, be careful. These pins are used for Event In (4) and Data Set Receive (DSR) (6) on the receiver. I don't know if there is any internal protection in the receiver to guard against incoming 12v on these pins, or what 12v might do on those pins.<br /></p>
Edited by torn 8/26/2008 10:50
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Torn or Tedbear
