
SPRT
6
bits, no parity bit and 1 stop bit.
The serial interface of SP-POS58VI can be connected with standard RS-232C interface.
When connected to IBM PC or compatible machine, connection can accord to the
below.
Fig. Connection between SP-POS58VIS and IBM PC Serial Interface
2.3.2 Parallel Interface Connection
The Parallel interface of SP-POS58VI printer is compatible with CENTRONICS,
supports BUSY and /ACK handshaking protocol, it uses DB25 socket (male), the pin
order of parallel port is as below shows:
Pin Order of Parallel Port
The pin assignment of parallel interface is shown as below:
Pin No.
Signal
Direction
Description
1
/STB
In
Strobe pulse to latch data, reading
occurs at raising edge.
2
3
4
5
6
7
8
9
DATA1
DATA2
DATA3
DATA4
DATA5
DATA6
DATA7
DATA8
In
In
In
In
In
In
In
In
These signals represent the 1
st
bit
to 8
th
bit of the parallel interface
data, each signal is at HIGHT level
when data is logic 1, and LOW
when data is logic 0.