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LG PC Central Controller Installation Manual page 10

Pc central controller
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Table of Contents
Network Interface Connection
Wiring Diagram
* How to differentiate between Direct Cable & Cross Cable
The UTP cable consists of 8 stripes of wire and the wire actually used for data transmission in the
LAN environment is the reception (Rx) No.1 and 2 wire and the transmission (Tx) No.3 and 6,
consisting of 4 strands. They are classified into two types depending on method to connect wire for
reception and transmission.
Direct Cable - Also called as 1:1 straight cable and used for connecting
Cross Cable – Used for 1:1 connection between same equipment in the network.
10 PC Central Controller
Cross Cable
Direct Cable
other equipment from the network.
Direct Cable Connection Method
Cross Cable Connection Method
Direct Cable


Table of Contents

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