KYOCERA FS-1020D 用户手册

Serial Interface (Option)

B-7

B.3 Serial Interface (Option)

Installing the optional serial interface board kit (IB-11) in the printer 

enables connection to a computer with an RS-232C standard serial 

interface.

B.3.1 RS-232C Interface

Interface Signals
The pins of the printer’s RS-232C interface connector carry the signals 

listed in 

. The table also indicates whether each signal is 

incoming or outgoing with respect to the printer.

Brief descriptions of the signals follow.

This pin is connected directly to the printer frame.

This output carries asynchronous data sent by the printer to the computer. 

It is used mainly in handshaking protocols.

This input carries serial asynchronous data sent by the computer to the 

printer.

This output is always held high (above 3 volts).

Unused.

1

-

FG

Frame ground

2

Out

TXD

Transmit Data

3

In

RXD

Receive  Data

4

Out

RTS

Request To Send

5

In

CTS

Clear  To  Send

6

In

DSR

Data Set Ready

7

-

SG

Signal Ground

20

Out

DTR

Data Terminal Ready