SATO WS412DT - Protocol for Driver (STATUS4); Line Connection; Input and Output Signals

24
4.5 Protocol for Driver (STATUS4)
This communication protocol returns the status corresponding to the request command from the host
computer so that the host computer can control printer status. The status is returned immediately after
receiving the request command.
When this communication protocol is set, receive mode is set to multi item buffer.
4.5.1 Line Connection
(Important)
Depending on the host computer used, it may need to loop CS and RS (maintaining at “High” level)
on the host computer side. For more details, refer to your host computer documentation.
4.5.2 Input and Output Signals
PIN No.
Signal
I/O
Description
2
RD
Input
Data from the host computer to the printer
3
SD
Output
Data from the printer to the host computer
7
SG
-
Signal ground
DB-9P
Printer
Host
RD
2
3
SD
SD
3
2
RD
SG
5
5
SG