CSW-H80 User Manual Ver. 3.0
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1.6.3 Serial Interface
There is an RS232 port. The port is interfaced with a 9 pin D-sub male connector.
Figure 1-5 D-sub 9 pin male connector
Pin Assignment
Number Name
Description
level
Dir.
Etc.
1
DCD
Data Carrier Detect
RS232
IN
N/C
2
RXD
Receive Data
RS232
IN
mandatory
3
TXD
Transmit Data
RS232
OUT mandatory
4
DTR
Data Terminal Ready
(always output active signal)
RS232
OUT
optional
5
GND
Ground
Ground
-
mandatory
6
DSR
Data Set Ready
RS232
IN
N/C
7
RTS
Request To Send
RS232
OUT
optional
8
CTS
Clear To Send
RS232
IN
optional
9
RI
Ring Indicator
RS232
IN
N/C
Table 1-3 pin assignment
N/C: Not Connected
Port features
Items
Values
the number of port
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
Table 1-4 port features
