AMT Datasouth 400 manual Appendix B INTERFACE SPECIFICATIONS, Introduction, Serial

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Appendix B: INTERFACE SPECIFICATIONS

Appendix B: INTERFACE SPECIFICATIONS

Introduction

This appendix presents the interface specifications of I/O ports for the printer. These specifications include pin assignments, protocols and detailed information about how to properly interface your printer with your host or terminal.

Serial

Pin Configuration

The RS-232 connector on the printer side is a female, DB-9.

Pin

Direction

Definition

 

 

 

1

Tied to in 6

Not used

2

In

Receive Data (RxData)

 

 

 

3

Out

Transmit Data (TxData)

 

 

 

4

-

No connection

5

-

Logic Ground

 

 

 

6

Tied to pin 1

Not used

 

 

 

7

Out

Request to Send (RTS)

8

In

Clear to Send (CTS)

 

 

 

9

Out

+5V

 

 

 

Note: Pin 9 is reserved for Keyboard Device Unit (KDU) only, do not connect this pin if you are using a general host like a PC.

Connection with host:

 

Host 25S

Printer 9P

(PC or compatible)

 

DTR 20 -----------

1

DSR 6 -----------

6

TX 2 -----------

2 RX

RX 3 -----------

3 TX

CTS 5 -----------

7 RTS

RTS 4 -----------

8 CTR

GND 7 -----------

5 GND

Host 9S

Printer 9P

(PC or compatible)

 

DTR 4 -----------

1

DSR 6 -----------

6

TX 3 -----------

2 RX

RX 2 -----------

3 TX

CTS 8 -----------

7 RTS

RTS 7 -----------

8 CTS

GND 5 -----------

5 GND

User's Guide 52

Page 53
Image 53
AMT Datasouth 400 manual Appendix B INTERFACE SPECIFICATIONS, Introduction, Serial