Serial Port Interface Connector - AXIOMTEK AX12270 User Manual

2.4.9 Serial Port Interface Connector: CN2
The AX12270 has two onboard serial ports, CN2 for RS232, and
CN10, CN11 for RS-232/422/485, jumper selectable.
Pin Signal Pin
1 NDCD2 11
2 NDSR2 12
3 NRX2 13
4 NRTS2 14
5 NTX2 15
6 NCTS2 16
7 NDTR2 17
8 NRI2 18
9 GND 19
10 N.C 20
Jumpers and Connectors
AX12270 PC/104 Module Series User's Manual
Signal
NDCD4
NDSR4
NRX4
19
NRTS4
20
NTX4
NCTS4
NDTR4
NRI4
GND
N.C
1
2
17