 | | Re: Anyone using Mac beige G3
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| (...) I've had similar problems with a CyberMaster. It seems that CyberMaster Tower is powered by the serial interface (at least it is switched on by this power). On PC, the DTR line is switched high (12 V), and the CTS line is switched low (-12V). (...) (24 years ago, 1-Feb-01, to lugnet.robotics.rcx.nqc)
| | | | | Re: Anyone using Mac beige G3
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| (...) One thing to keep in mind about Mac serial ports is that they are not RS-232, rather they are RS-422. IIRC, RS-232 is a singled-ended voltage standard (ref to ground only), where RS-422 is a differential standard. The 'common' method of using (...) (24 years ago, 1-Feb-01, to lugnet.robotics.rcx.nqc)
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