SATO WS408DT Service Manual page 25

RS232
5 3
4
9 8
Host (DB9)
Signal
CD Carrier Detect
RxD
TxD
DTR Data Terminal Ready
GND
DSR Data Set Ready
RTS Request to Send
CTS Clear to Send
CI
2 1
7
6
Description Pin
1
Receive 2
Transmit 3
4
Ground 5
6
7
8
9
Pin Signal
1 +5V
2 RxD
3 TxD
4 NC
5 GND
6 Hi
7 RTS NC
8 CTS
9 Hi
Pin
1
2
3
4
5
6
7
8
9
23
Description
Provide 5V Power
Receive
Transmit
No Connection
Ground
Pull High
Request to Send
Clear to Send
Pull High
Printer (DB9)
Description
Provide 5V Power
Receive
Transmit
No Connection
Ground
Pull High
Request to Send
Clear to Send
Pull High
Signal
+5V
RxD
TxD
NC
GND
Hi
RTS
CTS
Hi