30 Apr
2021
30 Apr
'21
1:42 p.m.
On Thu, 29 Apr 2021, Clem Cole wrote:
That said before you open up the case, I make sure you
are cabled
correctly. If you are using so-called 3-wire cables, then you need to
ensure RTS/CTS [4-5] are strapped and DSR/DCD/DTR [6/8/20] are also
strapped. The terminal will ignore any I/O unless it sees these pins
asserted.
I used to do that so often for so many terminals that I could practically
do it in my sleep... Having the correct crimping tool also helped :-)
-- Dave, who has yet to see a full implementation of RS-232 i.e. the
secondary channel etc