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The connection for this standard interface is made through the female DB9 connector on the rear panel. A DB9 to DB25 interface module is required for all RS-232 connections through a DB25 cable (see page 100 for details).

For all RS-232 input and output signals, the printer follows both the Electronics Industries Association’s (EIA) RS-232 specifications and the Consultative Committee for International Telegraph and Telephone (CCITT) V.24 standard signal level specifications.

Table 3 shows the pin configuration and function of the rear panel serial data connector on the printer.

 

 

Table 3

 

 

 

Pin No.

Name

Description

1

—

Not connected

 

 

 

2

RXD

Receive data — data input to printer

 

 

 

3

TXD

Transmit data — data output from printer

 

 

 

4

DTR

Data terminal ready — output from printer

 

 

 

5

SG

Signal ground

 

 

 

6

DSR

Data set ready — input to printer

 

 

 

7

RTS

Request to send — output from printer

 

 

 

8

CTS

Clear to send — input to printer

 

 

 

9

+5VDC

+5VDC signal output

 

 

NOTE: This pin is also available as a +5VDC power

 

 

source at 750mA. To enable this capability, a

 

 

jumper on the computer’s main logic board

 

 

needs to be installed on JP1, pins 2 and 3.

 

 

 

NOTE: An interface module is required for RS-422/RS-485 interface support (see page 101).

Bradyprinter 200M-e and 200M-e 300 User’s Guide

97