SATO HT200e User Manual
Page 118
SECTION 6: ON LINE
SATO HT200e
Page 6-13
3.
Signal for incoming and outgoing:
4.
Protocol
1) Ready / Busy
This communication protocol receives print data only through the control of hardware sig-
nal
without software procedure.
ER signal will be used for the control of Ready/Busy.
“High”
→ Ready
“Low”
→ Busy
Receiving data can not assured in the following conditions when:
a)Printer is in off-line mode.
b)Printer error is occurred.
5.
Code for control:
Pin
No.
Signal
Direction
Description
1
FG
－
Frame ground
2
SD
Out
Data sent from a printer to a host.
3
RD
In
Data sent from a host to a printer
4
RS
Out
It consistently remains high level.
5
CS
－
Un-use
6
DR
In
It should consistently retain high level.
7
SG
－
Signal ground
9
ER
Out
“High” shows a condition that a printer can receive.
“Low” is a general mode.
Name
Code
Action
Note
STX
02H
Start of text data
ETX
03H
End of text data
ESC
1BH
Command
EOT
04H
End of communication
It can be used when font is
registered.
SOH
01H
Command for specifying medium