19 Jun
2009
19 Jun
'09
11:08 a.m.
Hi, I'd like to utilise an existing cable that runs between three floors in
the house which is similar to decconnect cable but only has
4 wires. My question is whether it is possible to run a serial cable between
a 90TL and a VT terminal using only four wires, and if so which four? If I
enable ^S/^Q flow control can I do without the outmost DTR/DSR pins?
I've not tried it, but I can't see why it wouldn't work. As you suggest,
you need the middle 4 pins o nthe connector. You _may_ need
to strap DTR to DSR (i.e. the outer pins on the MMJ) together at each
end, but I don;t think you do. DEC didn't normally use hardware flow control.
-tony