28 THE BLUE BOX LT MAKING UP CAT. 5 CABLE WITH RJ45 CONNECTORS
LCDBBMUCAT03Sept08
TABLE OF CONTENTS
Introduction .......................................................................................29
Ethernet Network ................................................................................29
The GR 2400 Bus and RS485 Communications Protocol................................................30
Cable and Crimping Quality .......................................................................31
The Importance of a Proper Crimp..................................................................31
Type of Wire .....................................................................................31
The Ideal Scene: Professionally Made Commercial Cables ...............................................32
Reasons Why It’s Hard to Make Good Crimps on RJ45s ............................................33
Solid Wire is Ductile...............................................................................33
The Right Crimping Tool ...........................................................................33
The Right Modular Connector ......................................................................34
How to Make Proper Crimps ......................................................................35
Sequence of Actions ..............................................................................35
Miscellaneous Information .........................................................................37
Cable Kinks ......................................................................................37
Dirty RJ45 Sockets ................................................................................37
Summary ........................................................................................38
Stable Datums on Crimping Cat. 5...................................................................38