[Question]How to select RS232 or TTL ?

jhpark

lijiayan 发表于 2023-5-16 15:25
DMG10600T101_A5WTR support RS232

The following examples can be used to change the 232 level to TTL  ...

Yes that's what I heard and I tried to find the <jumper> or <pin> to select/change between RS232 and TTL in my board,
but there was nothing in my board.
Please, could you check this board ?

zzs999k

jhpark 发表于 2023-5-16 15:52
Yes that's what I heard and I tried to find the  or  to select/change between RS232 and TTL in my  ...

Some models have TTL/232 conversion, which is not standard RS-232. The standard RS-232 does not have this switch.

jhpark

zzs999k 发表于 2023-5-16 16:19
Some models have TTL/232 conversion, which is not standard RS-232. The standard RS-232 does not ha ...

I didn't know that.. no information on the offical document, DMG10600T101_A5WTR_数据手册.pdf
I'm sorry but could you explain it more in detail ?
Does that mean :
- my board wouldn't need to switch something for chainging between RS232 and TTL ?
- or only support RS232 ?

zzs999k

jhpark 发表于 2023-5-16 16:30
I didn't know that.. no information on the offical document, DMG10600T101_A5WTR_数据手册.pdf
I'm s ...

only support RS232

jhpark

zzs999k 发表于 2023-5-16 18:28
only support RS232

Thanks for confirmation !
Actually I'm supprised to know it wouldn't support TTL and nobody say that...
Anyway, now I see that I have to use RS232 only for my board !