Motorola 3460 manual Stand-Alone Modem Connectors and Interfaces

Models: 3460

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3460 Fast’R

Stand-Alone Modem Connectors and Interfaces

The stand-alone modem rear panel has one female DB25 connector to interface to the computer (DTE).

Computer Interface

Pin

Circuit

Function

 

 

 

2

BA/103

TXD

 

 

 

3

BB/104

RXD

 

 

 

4

CA/105

RTS

 

 

 

5

CB/106

CTS

 

 

 

6

CC/107

DSR

 

 

 

7

AB/102

Signal Ground

 

 

 

8

CF/109

DCD

 

 

 

15

DB/114

TXCLK

 

 

 

17

DD/115

RXCLK

 

 

 

20

CD/108.1/2

DTR

 

 

 

22

CE/125

RI

 

 

 

24

DA/113

XTCLK

 

 

 

Pins not listed here are not used.

C-13

Page 161
Image 161
Motorola 3460 manual Stand-Alone Modem Connectors and Interfaces, Computer Interface Pin Circuit Function