I'm trying to hook up a device to my M1 serial expander and I'm having a problem because DTR at pin 4 is not on. Is there some jumper setting that will enable DTR to be on?
Bummer, there goes my idea about connecting a modem to the XSP and having it dial out for me. I spent a bit of time trying to wire up a kludge, I can get all the lines in the right state (dtr, cd, etc), but the modem won't accept data.
It would be nice if the XSP documentation actually specified the pin-outs and
the RS-232 controls that are implemented.
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