24 Aug
2016
24 Aug
'16
9:59 a.m.
On Aug 24, 2016, at 12:21 PM, Rob Jarratt
<robert.jarratt at ntlworld.com> wrote:
Check that the shield ground and signal ground are both connected. If they are, then the
fact that it depends on power suggests your RS232 interface is inadequately designed.
paul
Incidentally, the terminal and the machine *were*
plugged into different
sockets, but now they are connected to the same wall socket and the
problem persists.
Actually, since connecting terminal and machine to the same wall socket, the
garbling seems to have much reduced, but I do get lots of dropped characters
all the same.