# Legato serial Communication FX30S

**URL:** https://forum.legato.io/t/legato-serial-communication-fx30s/3287
**Category:** Uncategorized
**Created:** [May 18, 2018, 7:19am UTC](https://forum.legato.io/t/legato-serial-communication-fx30s/3287 "2018-05-18T07:19:36Z")
**Posts on this page:** 1
**Showing post:** 3

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### Author: ![baiticpruebas](https://avatars.discourse-cdn.com/v4/letter/b/f475e1/32.png) [@baiticpruebas](https://forum.legato.io/u/baiticpruebas)
#### Post date: [May 18, 2018, 9:06am UTC](https://forum.legato.io/t/legato-serial-communication-fx30s/3287/3 "2018-05-18T09:06:11Z")

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I think so.  
The output of the AT!MAPUART? command is this:  
"  
AT!MAPUART?  
!MAPUART: 17,17  
OK  
"

As i see in other topics, this is the correct output that permits the use of the ttyHS0 port. Is this correct?

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