Rs-232C Serial Interface - Epson DFX-5000+ Service Manual

R S - 2 3 2 C S e r i a l I n t e r f a c e
Data format:
Synchronization:
Handshaking:
Word length:
Start bit
Data bit
Parity bit
Stop bit
Bit rate:
Logic level:
MARK (logical 1)
SPACE (logical 0)
Connector:
Table 1-8 shows the signal functions and connector pin assignments for the serial
interface.
* The I/O column indicates the data flow as viewed from the printer.
EPSON DFX-5000+ Service Manual
RS-232C serial
Asynchronous
By DTR signal or X-ON/X-OFF protocol
1 bit
8 bits
Odd, even, or no parity
1 bit or more
300, 1200, 9600, or 19200 bps (selectable by DIP
switches 2-7 and 2-8)
to -27 V
-3
+3 to +27 V
EIA standard 25-pin connector
Product Description
1-21