PC control of the TS-480 radio working again, including for remoterig / 2019-11-23

2019-11-23 PC control of the TS-480 radio working again, including for remoterig 11 months ago
I dug into the "why isn't remote CAT control not working" on the Kenwood TS-480SAT with the remoterig setup and as the debugging session progressed I found out it wasn't even working locally. The Kenwood TS-480 radios have a male db9 connector just like the PC had, and the non-intuitive part is that it needs a straight-through cable with data lines and hardware flow control.

I had a bunch of serial cables and adapters cobbled together to get from DB9 female to DB9 female with wires 2 and 3 coming out uncrossed, but it did not have hardware flow control and that had worked one evening before but now it decided to go on strike.

Thanks to the visit to the "Dag van de radio amateur" (DvdRA) ham convention and the extra parts ordered on-line from Conrad I had enough parts to make my own serial cable with the right wiring, including covers for the connectors with the cable coming out on the side.

So my skills in building right serial cables using a soldering iron, flexible wire and an amount of patience were recalled. I am very sure I haven't done that yet this century. Old CAT-5E cables are a good source of flexible cable with 8 wires.

When I had a finished cable with hardware flow control I first did a local test before I started putting the covers on the connectors and when that did work fine I put the covers on, redid the test and switched to testing over the remoterig connection. That also worked.

Update: And for the laptop which doesn't have serial ports I activated the COM port to USB translation on the control side. It took a bit of searching before I found that /dev/ttyACM0 was the active port, so now I can run CQRLOG on the laptop with full control of the radio.

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