User manual

AIMB-641 User Manual 74
B.10 COM3~6 Connector (CN11)
Table B.10: COM3~6 Connector (CN11)
Description Box-Header 40-Pin 2.0mm
Pin Signal Pin Signal
1 NDCD1* 2 DSR1*
3RX1 4RTS1*
5TX1 6CTS1*
7DTR1* 8RI_1
9GND 10GND
11 NDCD2* 12 DSR2*
13 RX2 14 RTS2*
15 TX2 16 CTS2*
17 DTR2* 18 RI_2
19 GND 20 GND
21 NDCD3* 22 DSR3*
23 RX3 24 RTS3*
25 TX3 26 CTS3*
27 DTR3* 28 RI_3
29 GND 30 GND
31 NDCD4* 32 DSR4*
33 RX4 34 RTS4*
35 TX4 36 CTS4*
37 DTR4* 38 RI_4
39 GND 40 GND
*low active
40
2
1
39
3738
4
3