Blackbox PI320A-R3, Руководство пользователя, Страница: 18 / 22

16
DISTANCE EXTENDERS
3.3.4 S
ERIAL
I
NPUT TO
P
ARALLEL
O
UTPUT
1. The serial device must be configured as a transmitting (input) device,
and the parallel device must be configured as a receiving (output) device.
2. The transfer rate must be the same between the transmitting and receiving
devices.
3. The serial device must be configured as a DCE or DTE as appropriate for
the interfacing equipment.
4. The baud rate of serial device must be set the same as the interfacing
equipment.
5. The serial Data Terminal Ready (DTR) signal is used to control the
parallel-port SelectIn signal, and the parallel-port Busy signal is used
to control the serial Data Set Ready (DSR) signal.