3 Nomenclature and Functions
CPS-PCS341EC-DS1-1201 Hardware Manual
29
RS-232C Interface (COM)
This product has 1port of RS-232C compliant serial ports of a baud rate 115,200bp (Maximum).
Table 3.8. Serial Ports connector
Connector used
on the product
9-pin D-SUB (MALE)
Pin No. Signal
name
Meaning
Direction
1
CD Carrier detection
Input
2
RD Received data
Input
3
TD Transmitted data
Output
4
DTR Data terminal ready
Output
5
GND Signal ground
-----
6
DSR Data set ready
Input
7
RTS Request to send
Output
8
CTS Clear to send
Input
9
RI
Ring indicate
Input
9
6
N
o
.
4
-
4
0
U
N
C
Inch Nut
1
5
