Serial Interface Rs-232C - Microplex PP 404 User Manual

B.1

Serial Interface RS-232C

The serial interface has one asynchronous V24 RS232C .
Technical Character:
The following parameters can be modified in SET-UP:

BAUD RATE:

BITS/CHARACTER: 7 or 8 bits

STOP BITS:
printer transmits always two bits.

PARITY:

DTR - Ready/Busy

XON/XOFF

XON/XOFF + DTR
Communication Cable:

HOST: 9 PINS (DB-9S)

PRINTER: 9 PINS (DB-9S)
This protocol uses the following signal lines:

Receive Data (RXD)

Transmit Data (TXD)

Data Terminal Ready (DTR)

Projective Ground (GND)

Data Set Ready

(DSR) S Clear To Send

CTS) S Ready To Send

(RTS) S Signal Ground (SG)
2400, 4800, 9600, 19200 (bit/s)
In receive mode the printer accepts 1, or 2 stop bits. The
none, even or odd.
Appendix B System Interface Description
Host System Printer
B-2