Nano I can't find ttyTHS2

Autonomous Machines Jetson & Embedded Systems Jetson Nano
#1

I want to use two serial port,but i only find ttyTHS1,who can tell me where can I find ttyTHS2,thank you very much.

#2

hello 1075196450,

please refer to Jetson Nano – Serial Console external tutorial page for reference.
thanks

#3