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2.3
RS-232 Interface
1
）
RS-232 interface
2
）
Mini-DIN8-pin Port
3
）
RS232(DB9)Port
Computer or Control Keyboard and Product
Connection Method
NO.
Port
Definition
1
DCD
Data Carrier Detect
2
RXD
Receive Data
3
TXD
Transmit Data
4
DTR
Data Terminal Ready
5
GND
System Ground
6
DSR
Data Set Ready
7
RTS
Request to Send
8
CTS
Clear to Send
9
RI
Ring Indicator
Product
1.
DTR
2.
DSR
3.
TXD
4.
GND
5.
RXD
6.
GND
7.
IR OUT
8.
NC
WindowsDB-9
1.
DCD
2.
RXD
3.
TXD
4.
DTR
5.
GND
6.
DSR
7.
RTS
8.
CTS
9.
RI
NO.
Port
Definition
1
DTR
Data Terminal Ready
2
DSR
Data Set Ready
3
TXD
Transmit Data
4
GND
Signal ground
5
RXD
Receive Data
6
GND
Signal ground
7
IR OUT
IR Commander Signal
8
NC
No Connection
