Serial Cable Connections
The DMC-40x0 requires the transmit, receive, and ground for slow communication rates. (i.e. 9600 baud) For faster
rates the handshake lines are required. The connection tables below contain the handshake lines.
Standard RS-232 Specifications
25 pin Serial Connector (Male, D-type)
This table describes the pinout for standard serial ports found on most computers.
Pin # Function
1 NC
2 TXD
3 RXD
4 RTS
5 CTS
6 DSR
7 GND
8 DCD
9 NC
10 NC
11 NC
12 NC
13 NC
14 NC
15 NC
16 NC
17 NC
18 NC
19 NC
20 DTR
21 NC
22 RI
23 NC
24 NC
25 NC
Appendices ▫ 194 DMC-40x0 User Manual