SATO TG308, Руководство по обслуживанию

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Section 3: Interface Specifications
TG3 Series Service Manual
Page 3-5
3.2 RS232C HIGH SPEED SERIAL INTERFACE (Cont’d)
3.2.4 X-ON/X-OFF
This transmission protocol informs the host if the printer can receive data or not, by sending the “XON” (Hex
11H) or “XOFF” (Hex 13H) code.
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
Note:
Depending on the host used, it may need to loop CS and RS (maintaining at “High” level) on the host side.
Therefore, make sure to re-check the host before use.
Input/Output Signals
Pin no. Signal Type Direction Description
1 FG - Frame ground
2 SD Output Data transferred from the printer to the host
3 RD Input Data transferred from the host to the printer
7 SG - Signal ground
1) Host with DB-25 P terminal 2) Host with DB-9 P terminal
Printer Host Printer Host
FG 1 1 FG FG 1 1
FG
SD 2 3 RD SD 2 2
RD
RD 3 2 SD RD 3 3
SD
RS 4 5 CS RS 4 8
CS
CS 5 4 RS CS 5 7
RS
DR 6 20 ER DR 6 4
ER
SG 7 7 SG SG 7 5
SG
ER 20 8 DR ER 20 6
DR