User manual

AIMB-341 User Manual 60
B.19 COM3~6 Connector (CN16)
*: LOW ACTIVE
Table B.19: COM3~6 Connector (CN16)
Description Box-Header 20-Pin 2.0mm
Pin Signal Pin Signal
1 DCD3* 2 DSR3*
3RX3 4 RTS3*
5TX3 6 CTS3*
7DTR3* 8 RI_3
9GND 10GND
11 DCD4* 12 DSR4*
13 RX4 14 RTS4
15 TX4 16 CTS4*
17 DTR4* 18 RI_4
19 GND 20 GND
171
218
3
420
19