SATO TC408X - Serial Interface

69
TC Series - User’s Manual
Serial Interface
The RS232 connector on the printer side is a female, DB-9.
Pin
Signal
Description
1
No function
Shorted to Pin - 6
2
Received Data, RxD
Input. Serial “Received Data”
3
Transmitted Data, TxD
Output. Serial “Transmitted Data”.
4
No function
No connection
5
GND
Signal Ground
6
No function
Shorted to Pin - 1
7
Request to Send, RTS
Output. Used as the control
signal for “H/W Flow Control “
8
Clear to Send, CTS
Input. Used as the control signal
for “H/W Flow Control”
9
+5V
Output. Pin 9 is reserved for KDU
(keyboard device unit)
Note: Pin 9 are reserved for KDU (keyboard device unit), therefore
do not connect these pins if you are using a general host like a PC.