SATO 9001226(A) Service Manual page 24

Section 3: Interface Specifications
3.2 RS232C HIGH SPEED SERIAL INTERFACE (Cont'd)
3.2.3 Ready/Busy
Ready / Busy is the hardware flow control method for the serial interface on the printer. Single item buffer and
multi buffer can be toggled in the Interface Mode of the printer.
When the print data (STX ESC+"A"~ ESC+"Z" ETX) is sent from the host in the conditions below, received
data may be incorrect.
1) When the printer is Offline
2) When an error has occurred in the printer
Pin Assignments
1) Host with DB-25 P terminal
Printer
FG 1
SD 2
RD 3
RS 4
CS 5
DR 6
SG 7
ER 20
When using Windows Hardware Control:
3) Host with DB-25 P terminal
Printer
FG 1
SD 2
RD 3
CS 5
RS 4
DR 6
SG 7
ER 20
Interface Signals
Pin no. Signal Type
1 FG
2 SD
3 RD
4 RS
5 CS
6 DR
7 SG
20 ER
Page 3-4
Host
1 FG
3 RD
2 SD
5 CS
4 RS
20 ER
7 SG
6 DR
Host
1 FG
3 RD
2 SD
20 ER
6 DR
4 RS
7 SG
5 CG
Direction
- Frame ground
Output Data from the printer to the host computer.
Input Data from the host computer to the printer.
Output It goes "Low" when an error has occurred in the printer
Input It must be "High."
Input It must be "High."
- Signal ground
Output It goes "High" when the printer is ready to receive data.
It goes "Low" when an error has occurred in the printer
or when the printer is in offline state.
2) Host with DB-9P terminal
Printer
FG 1
SD 2
RD 3
RS 4
CS 5
DR 6
SG 7
ER 20
4) Host with DB-9P terminal
Printer
FG 1
SD 2
RD 3
RS 4
CS 5
DR 6
SG 7
ER 20
Description
TG3 Series Service Manual
Host
2 RD
3 SD
8 CS
7 RS
4 ER
5 SG
6 DR
Host
2 RD
3 SD
4 DR
6 ER
7 RS
5 SG
8 CS