Kyocera DP-3600 Instruction Handbook Manual page 228

Serial (RS-232C/RS-422A) Interface
RS-232C interface
Interface Signals
The pins of the printer's RS-232C interface connector carry the signals listed in Table C. 2. The table
also indicates whether each signal is incoming or outgoing with respect to the printer.
Table C. 2. RS-232C Signal Pin Assignments
Pin In/out
1 —
2 Out
3 In
4 Out
5 In
6 In
7 —
11 —
20 Out
Brief descriptions of the signals follow.
FG – Frame Ground – (Pin 1)
This pin is connected directly to the printer frame.
TXD – Transmit Data – (Pin 2)
This output carries asynchronous data sent by the printer to the computer. It is used mainly in
handshaking protocols.
Signal Description
FG Frame ground
TXD Transmit Data
RXD Receive Data
RTS Request To Send
CTS Clear To Send
DSR Data Set Ready
SG Signal Ground
+5 V DC Reserved
DTR Data Terminal Ready
Serial (RS-232C/RS-422A) Interface
C-7