Chapter 5: Standard Serial Interface - Star Micronics Star SCP700 Series Programmer's Manual

Chapter 5: Standard Serial Interface

This chapter provides detailed specifications for the printer's standard serial
interface (Connector Type: D-sub 9-pin).
Set the transmission parameters with DIP Switch 1.
Transmission type ............Asynchronous serial interface
Baud rate (bps).................2400, 4800, 9600, or 19200
Word format
Start bit: ................1
Data bits: ..............7 or 8 (Selected by DIP switch)
Parity: ...................Odd, Even, or None
Stop bit: ................1
Signal polarities
RS-232C ...............Mark = Logic "1" (–3V to –15V)
Handshaking ....................DTR or XON/XOFF mode (Selected by DIP switch)
Mark [1]
Space [0]
A
Input (RXD, DSR, INIT)
Printer
Output (DTR, TXD, RTS)
Printer
75188 or equivalent
(Selected by DIP switch)
(Selected by DIP switch)
Space = Logic "0" (+3V to +15V)
b0 b1 b2 b3 b4
B
b5 b6 (b7)
C
A: Start bit
B: Data bits
D
C: Vertical parity bit
D: Stop bit
Host computer
Host computer
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