SICK DUSTHUNTER T - Page 509

2. Communication Cable Connection
(1) Cable Wiring
For serial communication, you should connect serial communication to the device cable.
Serial port is consisted of 9-pin or 25-pin and each function is as follow.
< Wiring of Communication Port>
Above picture represents function of each pin. It is connected between 9-pin port and
25-pin port having same functions. Accordingly, if you connect some input/output
device, you could refer to the wiring diagram provided. The functions are as follows.
9pin
Conn
ector
25pin
Conn
ector
Abbrev.(Term)
Meaning
Direction
DTE-
DTE
DTE-
DCE
1
8
DCD(Data Carrier Detect)
Data Carrier Detect
Input
DTR
DCD
2
3
RD(Receive Data)
Receive Data
Input
TD
RD
3
2
TD(Transmit Data)
Transmit Data
Output
RD
TD
4
20
DTR(Data Terminal
Ready)
Data Terminal
Output
DSR,D
CD
DTR
5
7
SG(Signal Ground)
Signal Ground
---
SG
SG
6
6
DSR(Data Set Ready)
Data Set Ready
Input
DTR
DSR
7
4
RTS(Request to Send)
Request to send
sesendsendSend
Output
CTS
RTS
8
5
CTS(Clear to Send)
Clear to send
Input
RTS
CTS
< Functions of each pin >