DB-9 Connectors

Printer Interface Technical Information

When the printer is connected via its RS-232 interface to Data Communication Equipment (DCE) such as a modem, use a standard RS-232 (straight-through) interface cable. Figure 45 illustrates the connections required for this cable.

 

DTE

 

 

 

DCE

(Printer)

 

(Modem, etc.)

 

 

 

RXD (receive data)

 

 

 

 

 

2

 

 

 

2

 

 

 

 

 

 

 

 

 

TXD (transmit data)

 

 

 

 

3

 

 

 

3

 

 

 

DTR (data terminal ready)

 

 

 

 

4

 

 

 

4

 

 

 

 

 

 

 

 

 

SG (signal ground)

 

 

 

 

5

 

 

 

5

 

 

 

 

 

 

 

 

 

DSR (data set ready)

 

 

 

 

6

 

 

 

6

 

 

 

RTS (request to send)

 

 

 

 

7

 

 

 

7

 

 

 

CTS (clear to send)

 

 

 

 

8

 

 

 

8

 

 

 

+5 VDC signal source

 

 

 

 

9

 

 

 

9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NOTE • Pin 1 is unused and unterminated at the printer.

Z4Mplus and Z6Mplus User Guide

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