User manual

49 PCM-3343 User Manual
Appendix A Pin Assignments
A.10 PC104 (CN8)
CN7 COM3/4 Connecter
Part Number 1653003720
Footprint PH_10x2H_S2.00mm
Description PIN HEADER 10*2P 2.00mm 90D(M) SMD 21N22050-20J1
Pin Pin Name Signal Type Signal Level
1 COM3_DCD# IN
2 COM3_DSR# IN
3COM3_RXDIN
4 COM03_RTS# I/O
5COM3_TXDOUT
6 COM3_CTS# IN
7 COM3_DTR# I/O
8COM3_RI#IN
9GNDGND
10 GND GND
11 COM4_DCD# IN
12 COM4_DSR# IN
13 COM4_RXD IN
14 COM4_RTS# I/O
15 COM4_TXD OUT
16 COM4_CTS# IN
17 COM4_DTR# I/O
18 COM4_RI# IN
19 GND GND
20 GND GND