LG PC Central Controller Installation Manual page 11

I CNU LAN connection
NOTE : Refer PQNFG14B0 install manual for detail CNU setting method
* 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.
Cross Cable
Direct Cable
other equipment from the network.
Direct cable connection method
Cross cable connection method
Network Interface Connection
Direct Cable
Use the cross cable if not using the hub.
If willing to use the hub, use the direct
cable to connect with the hub
Installation Manual 11