26 Jan
2007
26 Jan
'07
7:01 p.m.
One of the RS232 chips DEC used would blow if it was powered up after what
ever was connected to it. So, you had to turn the computer on before the
monitor or vice-versa.
Clint
On Fri, 26 Jan 2007, Tony Duell wrote:
They don't fry that easily, my comment is that the rest of the logic on a
DZ11 card is even more reliable, so that most of the (few) failures you
get are of the line driver/reciever chips.
Anyway, why do you think the MAX232 would be any more reliable?
-tony
1) 90-odd% of DZ11 failures are defective RS232
driver/receiver chips,
probably damaged by spickes induced on the RS232 cabling
If they fry so easily, why not change the RS232 driver for something
like max 232?