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Xtreme/104 Opto User’s Manual, Connect Tech Inc.

23 Revision 0.05

RS-422/485 Cable Wiring Examples

Figure 12: 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 13: RS-422/485 wiring diagram (2 wire)

RTS +

RTS -

CTS +

CTS -

TxD +

TxD -

RxD +

RxD -

RxD +

TxD +

RxD -

TxD -

RTS -

CTS -

RTS +

CTS +

SR SR

Xtreme/104 Opto adapter

RS-485/422 peripheral

Notes:

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 ... 18 19 20 21 22 23

Xtreme/104 Opto 1
Limited Lifetime Warranty 2
Copyright Notice 2
Trademark Acknowledgment 2
Certification 3
Table of Contents 4
Customer Support Overview 6
Contact Information 6
Introduction 7
Xtreme/104 Opto Components 8
Hardware Installation 9
Hardware Configuration 9
I/O address select 10
Status port enable (ST) 10
IRQ select 12
IRQ jumper block 12
Software Installation 14
Specifications 15
Connectors/Pinouts 16
Factory Default Settings 17
RS-232/RS-422/485 Interfaces 18
JB4F, JB5F, JB6F, JB7F 21
JB4G, JB5G, JB6G, JB7G 21

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