User manual

65 GMB-910 User Manual
Appendix B Pin Assignments
B.4 RS-232 Serial Port (COM3 ~ COM6)
1 DCD
2SIN
3SOUT
4DTR
5GND
6DSR
7RTS
8CTS
9RI
Table B.3: Rs-232 Serial Port (COM1, COM2)
Table B.4: RS-232 Serial Port (COM34)
Pin Signal Pin Signal
1 DDCD3_N 2 DDSR3_N
3 RRXD3 4 RRTS3_N
5 TTXD3 6 CCTS3_N
7 DDTR3_N 8 RRI3_N
9GND 10GND
11 DDCD4_N 12 DDSR4_N
13 RRXD4 14 RRTS4_N
15 TTXD4 16 CCTS4_N
17 DDTR4_N 18 RRI4_N
19 GND 20 GND
Table B.5: RS-232 Serial Port (COM56)
Pin Signal Pin Signal
1 DDCD5_N 2 DDSR5_N
3 RRXD5 4 RRTS5_N
5 TTXD5 6 CCTS5_N
7 DDTR5_N 8 RRI5_N
1
2
3
4
17
18
19
20