Near Intersection of I-35 & I-90 Southern Mn. | I agree with all the posts on this thread.
I use an EZ-Guide/EZ steer and use the GPS out to my Insight when it is in that tractor. This EZ-Guide has the built in GPS and GPS out is pretty straight forward with that combination. As has been stated, I don't believe the GPS out is an option when you are using an External GPS as your GPS source. This has possibly changed in V 4.0 but I'm not certain.
Your choice then would be limited to attaching another cable from Port B to your Sitemate equipment. Port B could and probably would be configured differently from Port A. This will mean running another cable from the outside world into your cab.
This cable would have a Deutsch connector on the Receiver end and a DB9 on the other end. Power for the GPS can come in on Port A or Port B. In your case the power is already on Port A so it would be unnecessary to have it available on Port B.
Concerning the Port C question - if you follow an earlier post below you can see a discussion relating to Port C. The most common situation appears to be when RTK is involved with Autopilot. Port A is the corrected GPS out going to the Autopilot. Port B gets used for the RTK in so it is not available for GPS out to another device. Port C is "created" by the wiring harness going to the physical Port B on the receiver and the RTK radio. This new Port C can be configured as needed for a connection to another device such as an iPaq running Sitemate etc.
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Ez-guide ---252 and Sitemate Communications
