Advantech ADAM-4550 User Manual page 9

2 RX
3 TX
P C 7 R T S
8 C T S
4 D T R
6 D S R
5 G N D
RS-232
Note: The RS-232 cable does not have to be
a null-modem cable. The ADAM-4550
will automatically detect and set itself
as a DCE, if it is configured as auto for
the DCE/DTE setting.
ADAM-4550 User's Manual
2 RX/TX
R F
Module
3 TX/RX
7 C T S / R T S
8 R T S / C T S
4 D S R / D T R
D A T A +
6 D T R / D S R
D A T A -
RS-485
5 G N D
ADAM-4550
Figure 1: Basic Connection Diagram
R F
D A T A +
Module
D A T A -
RS-485
RS-232 Connector
ADAM-4550
9