User manual

75 AIMB-252 User Manual
Appendix B Pin Assignments
B.6 RS-232 Serial Port (COM2 ~ COM5)
Table B.6: RS-232 Serial Port (COM23)
Pin Signal Pin Signal
1 DDCD2_N 2 DDSR2_N
3 RRXD2 4 RRTS2_N
5 TTXD2 6 CCTS2_N
7 DDTR2_N 8 RRI2_N
9GND 10GND
11 DDCD3_N 12 DDSR3_N
13 RRXD3 14 RRTS3_N
15 TTXD3 16 CCTS3_N
17 DDTR3_N 18 RRI3_N
19 GND 20 GND
Table B.7: RS-232 Serial Port (COM45)
Pin Signal Pin Signal
1 DDCD4_N 2 DDSR4_N
3 RRXD4 4 RRTS4_N
5 TTXD4 6 CCTS4_N
7 DDTR4_N 8 RRI4_N
9GND 10GND
11 DDCD5_N 12 DDSR5_N
13 RRXD5 14 RRTS5_N
15 TTXD5 16 CCTS5_N
17 DDTR5_N 18 RRI5_N
19 GND 20 GND
1
2
3
4
17
18
19
20