SATO s86ex - Printer Status 5 Return; Connecting Diagram; Explanation of Input;Output Signal

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3.4 Printer Status 5 Return
This communication protocol is designed for the purpose of controlling print status in the host, and there are several functions.
This printer’s receive mode in this protocol is the multiple-receive.
Connecting diagram 3.4.1
*Depending on the model of the host, CS and RS may need to be looped (always keep "High") at the host.
Please confirm the user's guide of the host system.
Explanation of input/output signal 3.4.2
Pin number
Signal
name
Direction
Description
2
RD
Input
Data from the host to the printer
3
SD
Output
Data from the printer to the host
5
SG
-
Signal ground
1) DB-9P
Printer
Host
RD
2
3
SD
SD
3
2
RD
SG
5
5
SG