Figure 2.22 Rs-232 Wiring - Brainchild C21 User Manual

RS-232
If you use a conventional 9-pin RS-232 cable instead of CC94-1, the cable If you use a conventional 9-pin RS-232 cable instead of CC94-1, the cable
must be modified according to the following circuit diagram. must be modified according to the following circuit diagram.
C21
TXD
RXD
COM
C21
12
TXD
13
RXD
11
COM
CC94-1
Figure 2.22 Figure 2.22
RS-232 Wiring RS-232 Wiring
TX1 RD
12
TX2 TD
13
COM
11
GND
Figure 2.23 Figure 2.23
Configuration of RS-232 Cable Configuration of RS-232 Cable
UM0C911B
PC
9-pin 9-pin
RS-232 RS-232
port port
To DTE ( PC ) RS-232 Port To DTE ( PC ) RS-232 Port
1
2
3
4
5
Female DB-9 Female DB-9
1 DCD 1 DCD
6
2 RD 2 RD
3 TD 3 TD
7
4 DTR 4 DTR
8
5 GND 5 GND
6 DSR 6 DSR
9
7 RTS 7 RTS
8 CTS 8 CTS
9 RI 9 RI
32