Fenix Imvico SM3000, Operation Manual, Page: 11 / 55

FENIX IMVICO SM3000 OPERATION MANUAL
2.2.3- Assigning RS-232 connector terminals
The assignments of the terminals of the RS-232 connector and the functions of its signals are described
in the following table:
Pin
SUB-D9
Signal name Signal direction
(from the printer point of view)
3 TXD Output
2 RXD Input
7 RTS Output
5 SG -
Other nc ---
Table 2.1- Assignments of RS-232 connector terminals.
NOTE: RTS line is used for hardware flow control. Indicates that the internal data buffer is full. When
the SM3000 temporarily activates this line, the host should not send data because, otherwise it will lose
information and the print result will be wrong.
Fig. 2.4- SM3000 RS-232 connector.
2.2.4- Serial interface connection examples
CONNECTION- A CONNECTION- B
host (PC-DB9) printer host (PC-DB9) printer
2 - RXD RXD - 2 2 - RXD RXD - 2
3 - TXD TXD - 3 3 - TXD TXD - 3
RTS - 7 RTS - 7
8 - CTS 8 - CTS
5 - GND GND - 5 5 - GND GND – 5
6 - DSR
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.
11/55
Pin #1
Pin #9
Pin #6
Pin #5