New answers tagged rs232
2
votes
Do I have to bother with isolation?
If you look at a desktop PC from a few years ago - the sort that came with RS232 ports as standard - then they made no attempt to isolate the RS232 outputs.
The 9 or 25 way D-type connector would have ...
- 20k
2
votes
Do I have to bother with isolation?
Typically no, like you said RS232 distances are short. I have isolated RS232 but for a different reason, I had a sensitive analog board and I wanted to avoid any kind of ground loop.
So if you need to ...
- 88.8k
2
votes
Do I have to bother with isolation?
If all your devices are hard-wired to the same supply ground, then isolation is almost certainly not necessary.
If all your devices plug into the same ground, then isolation is probably not necessary, ...
- 174k
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