AAEON PCM-LN02 - Manual (Page 36)

C o m p a c t B o a r d P C M - L N 0 2
2.37 COM Port 1 Connector (CN26)
COM 1/RS-232 Mode
Pin Signal Pin Signal
1 DCDA 2 RXA
3 TXA 4 DTRA
5 Ground 6 DSRA
7 RTSA 8 CTSA
9
RIA / +5 Volt. / +12
Volt.
10 N/C
COM1/RS-422
Pin Signal Pin Signal
1 TXA- 2 RXA+
3 TXA+ 4 RXA-
5 Ground 6 N/C
7 N/C 8 N/C
9
N/C / +5 Volt. / +12
Volt.
10 N/C
COM1/RS-485
Pin Signal Pin Signal
1 TXA- 2 N/C
3 TXA+ 4 N/C
5 Ground 6 N/C
7 N/C 8 N/C
9
N/C / +5 Volt. / +12
Volt.
10 N/C
Chapter 2 Quick Installation Guide 2-23