(2)Logical signal level is EIA.
The baud rate and data structure in serial interface mode is
9600bps, 8-bit data bits, no parity bit and 1 stop bit.
The serial interface of SP-POS88
Ⅴ
can be connected to standard
RS-232C interface. When it is connected to IBM PC or its
compatible machine, connection can accord to Fig.2-4.
Fig.2-4 Connection between SP-POS88V and IBM PC Serial Interface Sketch Map
2.3.2 Parallel Interface
The parallel interface of POS88
Ⅴ
printer is compatible with
CENTRONICS, supports BUSY or ACK handshaking protocol,
uses
36pin CENIRONICS socket (female)
The pin assignment of DB25 parallel interface is as Fig. 2-5 shows:
RXD
DTR
RTS
TXD
DSR
TXD
DSR
CTS
RXD
DTR
3
2
6
7
8
20
2
5
4
6
3
4
RXD
DTR
RTS
TXD
DSR
TXD
DSR
CTS
RXD
DTR
3
2
6
7
5
20
3
7
20
6
2
4
Printer
25PIN Socket
Printer
25PIN Socket
IBM PC
DB9 Socket
IBM PC
DB25 Socket