Ready/Busy - SATO CLLM Basic 412e Operator's Manual

5.7 READY/BUSY

Ready / Busy is the hardware flow control method for the serial interface on the printer. Data
received cannot be guaranteed, when print data (ESC+"A"~ESC+"Z") is sent from the host,
under the following conditions:
1) When the printer is Offline
2) When an error has occurred in the printer
Pin Assignments
1) DB-25 P
Printer
FG 1
SD 2
RD 3
RS 4
CS 5
DR 6
SG 7
ER 20
When using Windows Hardware Control:
3) DB-25 P
Printer
FG 1
SD 2
RD 3
CS 5
RS 4
DR 6
SG 7
ER 20
Interface Signals
Pin no. Signal Type
1
2
3
4
5
6
7
20
LM Basic 408e/412e Operator's Manual
DB-25 P
Host
1 FG
3 RD
2 SD
5 CS
4 RS
20 ER
7 SG
6 DR
DB-25 P
Host
1 FG
3 RD
2 SD
20 ER
6 DR
4 RS
7 SG
5 CG
Direction
FG -
SD Output
RD Input
RS Output
CS Input
DR Input
SG -
ER Output
Section 5: Interface Specifications
2) DB-25P
Printer
FG 1
SD 2
RD 3
RS 4
CS 5
DR 6
SG 7
ER 20
4) DB-25P
Printer
FG 1
SD 2
RD 3
CS 4
RS 5
DR 6
SG 7
ER 20
Contents
Frame Ground
Send Data
Receive Data
Request to Send
Clear to Send
Data Set Ready
Signal Ground
Eqpt Ready (also used for
handling error status)
DB-9P
Host
2 RD
3 SD
8 CS
7 RS
4 ER
5 SG
6 DR
DB-9P
Host
2 RD
3 SD
4 ER
6 DR
7 RS
5 SG
6 CS
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