Pin Header For Com1, Rs-232 (Tx/Rx) (Cn9) - Advantech RSB-4210 Evaluation Kit User Manual

2.2.9

Pin Header for COM1, RS-232 (TX/RX) (CN9)

It is a 2-wires (TX/RX) RS-232 port. It provides connections for serial
devices (For example, GPS, GSM and Bluetooth devices...etc.) or a
communication network.
Figure 2-14 Pin Header for COM1, RS-232 (TX/RX)
Pin
1
3
5
7
9
Description Pin
N/C
COM1_RXD
COM1_TXD
N/C
GND 10
23
Description
2
N/C
4 N/C
6 N/C
8 N/C
N/C
RSB-4210 Evaluation Kit User Manual