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AT DUAL RS232
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Brainboxes AT DUAL RS232 Hardware Manual
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Contents
Table of Contents
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Table of Contents
Table of Contents
Chapter 1
Introduction
Introducing Serial Solution Software
Serial Solutions for DOS
Chapter 1 Page 2
Serial Solutions for Windows 3.X
Serial Solutions for Windows 95
Serial Solutions for Windows NT
Complete Documentation and Technical Backup
Chapter 1 Page 5
Chapter 2
Introduction
At Dual Rs232/422/485 Card General Features
General Port Features
RS232 Port Features
RS422/485 Port Features
Chapter 2 Page 8
Configuring the at Dual Rs232/422/485
Serial Port Connectors
Serial Port Address Selection
Serial Port IRQ Interrupt Jumper Selection
Chapter 2 Page 11
Rs422/485 Port (Port 1) Configuration
RS485 Gating
RS485 Multiplex
Chapter 2 Page 13
Rs232 Port (Port 2) Configuration
Optional Parallel Printer Port Configuration
Bidirectional Printer Port Selection
Hardware Installation
Chapter 2 Page 16
Problems
Chapter 2 Page 17
Chapter 3
Introduction
Informing the Pc O Fthe Port Address
Chapter 3 Page 19
Settings for Dos Software
Chapter 3 Page 22
Chapter 3 Page 23
Installation O F Ports in Windows 3. X
Installation O F Ports I N Windows 95 & 98
Chapter 3 Page 25
Chapter 3 Page 26
Chapter 3 Page 27
Chapter 3 Page 28
Dual RS232/422/485 Card Settings in Windows 95 & 98
Chapter 3 Page 29
Changing Port Numbers
Chapter 3 Page 30
Multiport Card Port Settings in Windows 95 & 98
Chapter 3 Page 32
Chapter 3 Page 33
Chapter 3 Page 34
Restarting Windows
Chapter 3 Page 35
Installation of Ports in Microsoft Windows NT
Chapter 3 Page 37
Chapter 3 Page 38
Installation O F Ports I Nos/2
Chapter 3 Page 40
Chapter 4
Rs232 Pinouts and Port Cabling
Introduction
The RS232 Standard
RS232 Serial Port Pin Outs
Pin D Serial Port RS232 Cables
Chapter 4 Page 42
Pin D Serial Port Connection to Another PC
Chapter 4 Page 44
Pin D Serial Port to a Modem
Pin D Serial Port Loop Back Connector
Chapter 5
The Rs422 Standard
The Rs485 Standard
RS422 Serial Port Pinouts
Terminating Impedance's
Fail Safe Open Circuit Detection
Fail Safe Short Circuit Protection
Rs422 Operation
RS422 Serial Port Cables
Chapter 5 Page 50
Chapter 5 Page 51
Rs485 Operation
RS485 Cable
Chapter 5 Page 52
RS485 One Talker - Many Listeners, Half Duplex
RS485 Many Talkers- Many Listeners, Half Duplex
RS485 Many Talkers- Many Listeners, Full Duplex
Chapter 5 Page 56
Optional Grounding Arrangements
Chapter 5 Page 57
Chapter 5 Page 58
Index
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AT DUAL RS232/422/485
1.0 EDITION MARCH 1998
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At dual rs485
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