Com Port Headers (Com2/Com3/Com4/Com5/Com6) - Avalue Technology EAX-Q77 User Manual

EAX-Q77 User's Manual
2.6.5

COM Port Headers (COM2/COM3/COM4/COM5/COM6)

COM2
COM3
28 EAX-Q77 User's Manual
Signal PIN PIN
NDCD2- 1
NTXD2- 3
GND 5
NRTS2- 7
RI2-/5V/12V
9
Signal PIN PIN
NDCD3-
1
NTXD3- 3
GND 5
NRTS3- 7
NRI3- 9
Signal
2 NRXD2-
4 NDTR2-
6 NDSR2-
8 NCTS2-
NC
10
Signal
NRXD3-
2
4 NDTR3-
6 NDSR3-
8 NCTS3-
10 NC