CIE-H10A User Manual Ver. 1.1
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1.6.3
RS232 Port (DB9M)
CIE-H10A has an RS232 port supporting from 300 bps to 230,400 bps. This port is for
connecting users
’
serial devices to Ethernet (TCP/IP) including the
“
Serialized Modbus/TCP
”
.
Figure 1-9 D-sub Male Connector
⚫
Pin Assignment
Number
Name
Description
Level
I/O
Wiring
1
DCD
Data Carrier Detect
RS232
In
Optional
2
RXD
Receive Data
RS232
In
Required
3
TXD
Transmit Data
RS232
Out
Required
4
DTR
Data Terminal Ready
RS232
Out
Optional
5
GND
Ground
Ground
-
Required
6
DSR
Data Set Ready
RS232
In
Optional
7
RTS
Request To Send
RS232
Out
Optional
8
CTS
Clear To Send
RS232
In
Optional
9
RI
Ring Indicator
RS232
In
Optional
Table 1-6 pin assignment of the RS232 port
⚫
Serial Port Parameters
Parameter
Value
Number
1
Type
RS232
Baud rate
300 ~ 230,400 [bps]
Parity
NONE / EVEN / ODD / MARK / SPACE
Data bit
8 / 7 / 6 / 5
Stop bit
1 / 1.5 / 2
Flow control
NONE, RTS/CTS, DTR/DSR
Table 1-7 serial port parameters