Com2 Rs-232/422/485 Selection (Cn22); Com Port #2 Rs-232/422/485 Port Connector (Cn22) - Aaeon TKS-G20-LN05 Manual

E m b e d d e d C o n t r o l l e r

2.5 COM2 RS-232/422/485 Selection (CN22)

COM2 RS-232/422/485 selection for AAEON TKS series is set in BIOS setting
as following:
Entering BIOS Setting Menu: Choose "Integrated Peripherals
device COM2 select". (Default setting is at "RS-232")

2.6 COM Port #2 RS-232/422/485 Port Connector (CN22)

Different devices implement the RS-232/422/485 standard in different ways. If
you have problems with a serial device, check the pin assignments below for
the connector.
RS-232 Mode
Pin Signal
1 DCDB
3 RXB
5 TXB
7 DTRB
9 Ground
RS-422 Mode
Pin Signal
1 TXD-
Chapter 2 Quick Installation Guide
Pin
2
4
6
8
10
Pin
2
2 - 8
T K S - G 2 0 - L N 0 5
Signal
DSRB
RTSB
CTSB
RIB / +5 Volt. / (+12 Volt.)
N/C
Signal
N/C
Super IO