Table of Contents
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1
INTRODUCTION ...............................................................................................................................................1
1.1
..................................................................................................................................................1
1.2
2
TRANSMISSION METHODS ...........................................................................................................................2
2.1
2.2
2.2.1
RS-232 ...................................................................................................................................................3
2.2.2
RS-485 ...................................................................................................................................................4
2.3
3
INSTALLATION (VERSION 2)........................................................................................................................5
3.1
3.1.1
Fiber Optic Version ...............................................................................................................................6
3.1.2
RS-232/485 Version ..............................................................................................................................7
3.2
4
INSTALLATION (VERSION 1)......................................................................................................................10
4.1
4.2
4.2.1
Fiber Optic Board ................................................................................................................................13
4.2.2
RS-232/485 Board ...............................................................................................................................14
4.2.3
Microprocessor Board .........................................................................................................................15
4.3
5
TESTING ...........................................................................................................................................................16
5.1
5.2
6
CABLING ..........................................................................................................................................................18
6.1
6.1.1
Fiber Optic Cable Lengths...................................................................................................................18
6.1.2
Fiber Optic Connector .........................................................................................................................18
6.1.3
Fiber Optic Connections ......................................................................................................................19
6.2
6.2.1
RS-485 Cable Type..............................................................................................................................19
6.2.2
RS-485 Cable Grounding ....................................................................................................................19
6.2.3
RS-485 Connector ...............................................................................................................................20
6.3
6.3.1
RS-232 Multi-drop Wiring ..................................................................................................................21
6.4
6.5
6.5.1
Communications Menu Item Descriptions ..........................................................................................24
6.6
6.6.1
Using LEDs to Help Diagnose Communications Problems ................................................................25
6.6.2
Using MJXplorer to Troubleshoot Communications Problems...........................................................25
7
SPECIFICATIONS ...........................................................................................................................................26
7.1
7.2
7.3
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MJ-X Communications Module
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Table of Contents
