
HARDWARE
6
3.2.1.1 RS-232
3-Wire
For a RS-232 3-wire operation, the hardware handshaking lines are disabled. Disable the
hardware handshaking lines by setting configuration switch S1-6 to the
OFF
position.
8
TDX
RDX
COM
CTS
RTS
3
2
5
8
7
2
3
7
5
4
RS-232 PC Connection
DB25 DB9
JUMPER NOT REQUIRED,
IF HANDSHAKING IS TURNED
OFF ON HOST COMPUTER.
Figure 3
RS-232 3-Wire Connection