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The connections for these standard interfaces are made through the DB-25S connector on the rear panel. 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.

The following table shows the pin configuration and function of the rear panel serial data connector on the printer.

Pin No.Description

1

FG (frame ground) for cable shield

 

 

2

TXD (RS-232 transmit data) output from printer

 

 

3

RXD (RS-232 receive data) input to printer

 

 

4

RTS (RS-232 request to send) output from printer

 

 

6

DSR (data set ready) input to printer

 

 

7

SG (signal ground) for RS-232

 

 

9

+5 VDC source output (1 Amp maximum)

 

 

11

SGR (signal ground reference) for RS-422/RS-485

 

 

13

Data input B(-); RS-422/RS-485

 

 

14

Data output B(-); RS-422/RS-485

 

 

16

Data input A(+); RS-422/RS-485

 

 

19

Data output A(+); RS-422/RS-485

 

 

20

DTR (RS-232 data terminal ready) output from printer

 

 

 

NOTE: Pins 5, 8, 10, 12, 15, 17-18, 21-25 are unused and unterminated.

 

 

Zebra XiIII-Series User’s Guide

93