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6 configuration, 7 pinouts, 6 configuration -8 – Pepper Computer Modular Computers RS485 User Manual

Page 290: 7 pinouts -8, Smart i/o user’s manual, Chapter 6 communications modules

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SMART I/O User’s Manual

March 12, 1996

©1996 PEP Modular Computers GmbH

Page 6 - 8

Chapter 6 Communications Modules

Pin Nr. Signal

Description

Pin Nr. Signal

Description

1

TxD

Transmit Signal

2

N/C

No Connection

3

RxD

Receive Signal

4

N/C

No Connection

5

DTR

Data Terminal Ready

6

N/C

No Connection

7

CTS

Clear to Send

8

N/C

No Connection

9

N/C

No Connection

10

N/C

No Connection

11

N/C

No Connection

12

N/C

No Connection

13

GND

Ground

14

GND

Ground

Pin 1

Pin 2

Pin 13

Pin 14

6.1.7 Pinouts

Screw Terminal Pinouts

The following shows the pinout/signal relationship for the SM-RS232 when

connected to a particular screw terminal block.

6.1.6 Configuration

Jumper J1 - EEPROM Protection

Jumper S e t t i n g s

Description

J1

set

EEPROM is not hardware write protected

open

EEPROM is hardware write protected

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