Serial Interface - Compuprint 914 User Manual

Serial Interface

This printer provides a RS-232/C serial interface. You can select it via the
Printer Setup procedure (see I/F function in Chapter 3). The remote or local
connection can be used with all its control signals.
Transmission Type
Data is sent and received in start/stop (asynchronous) transmission.
Character Format
Each character is transmitted in the following format:
1 START BIT + 7 or 8 DATA BITS + 1 PARITY BIT (if present) + 1 STOP
BIT
The least significant bit of the data bits is sent first after the start bit. The
number of data bits is selected by the Printer Setup procedure (see DATA
BITS function, in . The parity bit, when present, follows the data bits. The
start bit is a logical "0" and the stop bit is a logical "1".The start and stop
bits are used as character framing bits.
Drive Capability
RS-232/C: up to 50 feet (15 m)
Printer Connector
ANSLEY 609-25S or equivalent connector with 25 female contacts and
male shell.
Cable Connector
AMP 205208/1 or equivalent connector with 25 male contacts and female
shell.
Interface Signals
A78401745-001
Appendix C
C.5