SATO SG112 ex Programming Reference Manual page 484

I/O signal
The details of each signal line for the Centronics standard (compatible mode) are as follows.
Note that each signal line complies with the IEEE1284 standard.
Pin no.
1 STROBE
2 to 9 DATA 1~DATA 8
10 ACK
11 BUSY
12 PE
13 SELECT
14 AUTOFD
17 CHASSIS GND
18 PERIPHERAL LOGIC
HIGH
19 to 30 SIGNAL GROUND
31 INIT
32 FAULT
36 SELECTIN
Signal name
Input
Input
Output
Output
Output
Output
Input
Output
Input
Output
Input
I/O
Synchronization signal that requires low active pulse
to read DATA1 to DATA8
Data entry of 8 bits parallel: DATA1 is LSB (lowest bit)
and DATA8 is MSB (highest bit).
Low active pulse signal indicating the completion of
receive data import
High active signal indicating that the printer is not
ready to receive data
High active signal indicating paper shortage
High active signal indicating that the printer is ready to
receive data
Signal for the IEEE1284 standard
Connecting to the chassis ground
+5V voltage on the printer side
Connecting to each signal ground
Low active pulse signal initializing the printer
Low active pulse signal indicating an error in the
printer
Signal for the IEEE1284 standard
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