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Xtreme/104 Opto User Manual

CTIM-00007 (0.10) 3/21/2012 www.connecttech.com 26

800-426-8979 | 519-836-1291

RS-422/485 Cable Wiring Examples

Figure 14: RS-422/485 Wiring Diagram (4-wire)

RTS +

RTS -

CTS +

CTS -

TxD +

TxD -

RxD +

RxD -

RxD +

TxD +

RxD -

TxD -

RTS -

CTS -

RTS +

CTS +

Xtreme/104 Opto adapter

RS-485/422 peripheral

Figure 15: RS-422/485 Wiring Diagram (2-wire)

RTS +

RTS -

CTS +

CTS -

TxD +

TxD -

RxD +

RxD -

RxD +

TxD +

RxD -

TxD -

RTS -

CTS -

RTS +

CTS +

Xtreme/104 Opto adapter

RS-485/422 peripheral

NOTE:

The RS-422/485 electrical interface consists of a differential signaling

scheme. You should always connect the signals with twisted pairs.

Signal reference must be connected.

1 2 ... 21 22 23 24 25 26 27 28

USER MANUAL 1
Table of Contents 3
Introduction 5
Features 5
Optical Isolation 5
Hardware Installation 9
Status * 10
Examples 11
Custom Port Addresses 11
Interrupt Selection 12
IRQ select 13
IRQ jumper block 13
Baud Rate Capabilities 14
Software Installation 15
Specifications 16
Connectors/Pinouts 18
Factory Default Settings 19
RS-232/RS-422/485 Interfaces 20
Full Duplex Mode 21
Half Duplex RS-422/485 22
Multi-drop 4-wire Mode 23
Line Termination 24
NOTE: 26
Certification 27
Customer Support Overview 28
Contact Information 28

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