FENIX IMVICO SM2000 OPERATION MANUAL
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2.3.4- XON/XOFF transmission timing
When the XON/XOFF control is selected, the printer transmits XON or XOFF signals like shown in
the following table:
Different transmission timing depends on the DIP SW2-1 settings.
DIP SW 2-1 status
Printing status
ON
OFF
①
When the printer is online after powering up (or resetting
the printer by using the interface)
.
Transmit
Transmit
②
When the receiving buffer leaves the full buffer status
.
Transmit
Transmit
XON
transmission
③
When the printer goes from offline to online.
_
Transmit
④
When the receiving buffer is full
Transmit
Transmit
XOFF
transmission
⑤
When the printer goes from online to offline
_
Transmit
Table 2.2-
XON/XOFF transmission timing
NOTES:
•
The XON code is <11>H and the XOFF code is <13>H.
•
In
③
case
,
XON is not transmitted when the receiving buffer is full.
•
In
⑤
case, XOFF is not transmitted when the receiving buffer is full.
2.3.5- Serial interface connection example
User side
Printer side
TXD
RXD
DSR
DTR
CTS
RTS
RXD
TXD
DTR
DSR
FG
FG
SG
SG
NOTES:
•
Same configuration in the printer and in the host system should be set.
•
The communication protocol should be set properly so that the transmitted data can be
received without errors.
•
The printer should be reset after any modification in the DIP-switch, by using the power
supply button to switch it off and on.
