Tektronix 220i, 220e user manual Serial port signals, Serial port signal descriptions

Models: 220e 220i

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ATechnical Notes

Serial port signals

The table shows the Phaser 220i and Phaser 220e serial port's connected pins. The other pins are not connected.

Serial port signal descriptions

Signal name

Pin number

Printer I/O

Description

 

 

 

 

SGnd

1

-

Shield ground

 

 

 

 

TxData

2

Out

Transmitted data

 

 

 

 

RxData

3

In

Received data

 

 

 

 

RTS

4

Out

Request to end

 

 

 

 

CTS

5

In

Clear to send

 

 

 

 

DSR

6

In

Data set ready

 

 

 

 

Gnd

7

-

Signal ground

 

 

 

 

DCD

8

In

Data carrier detect

 

 

 

 

DTR

20

Out

Data terminal ready

 

 

 

 

RI

22

In

Ring indicator

 

 

 

 

A-4Phaser 220i and Phaser 220e Color Printers

Page 106
Image 106
Tektronix 220i, 220e Serial port signals, Serial port signal descriptions, Signal name Pin number Printer I/O Description