Star Micronics SLIP SP298 SERIES, Programmer'S Manual

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Chapter 4: Interface0
Serial Interface
❏
This chapter provides detailed specifications for the printer’s standard serial
interface (Connector Type: D-sub 25-pin).
Set the transmission parameters with DIP Switch.
Transmission type ............Asynchronous serial interface
Baud rate (bps).................1200, 2400, 4800 or 9600
(Selected by DIP switch)
Word format
Start bit: ................1
Data bits: ..............7 or 8 (Selected by DIP switch)
Parity: ...................Odd, Even, or None
(Selected by DIP switch)
Stop bit: ................1
Signal polarities
RS-232C ...............Mark = Logic “1” (–3V to –15V)
Space = Logic “0” (+3V to +15V)
Handshaking ....................DTR/DSR or XON/XOFF mode (Selected by DIP
switch)
Input (RXD, DSR, INIT)
Output (DTR, TXD, RTS)
b0 b1 b2 b3 b4 b5 b6 (b7)
A B C D
Mark [1]
Space [0]
A: Start bit
B: Data bits
C: Vertical parity bit
D: Stop bit
Printer Host computer
75188 or equivalent
Printer Host computer