Serial Interface - SATO TC408 User Manual

Serial Interface

The RS232 connector on the printer side is a female, DB-9.
Pin
1 No function
2 Received Data, RxD
3 Transmitted Data, TxD Output. Serial "Transmitted Data".
4 No function
5 GND
6 No function
7 Request to Send, RTS
8 Clear to Send, CTS
9 +5V
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.
Signal
Shorted to Pin - 6
Input. Serial "Received Data"
No connection
Signal Ground
Shorted to Pin - 1
Output. Used as the control
signal for "H/W Flow Control "
Input. Used as the control signal
for "H/W Flow Control"
Output. Pin 9 is reserved for KDU
(keyboard device unit)
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TC Series - User's Manual
Description