LG N1941W-PF - Manual (Page 11)

A9
NOTE
Connecting the Display
LAN Cable
-For the LAN cable,it is recommended to use SFTP(recommend : 6m,max : 10m)
provided by LG.
Image quality and some functionality may be degraded if a different LAN cable is
used.
-To achieve good image quality,avoid using UTP and STP cables.
-You must use a direct LAN cable,not a crossover one.
Do not connect any kind of network devices.
Both connections
should be same
colors.
Core
The ferrite core can be used to reduce electromagnetic waves when connecting a
LAN cable.
As shown in the image below,fit the ferrite core to the LAN cable.
The ferrite core needs to be separated from the mold by 5 centimeters.
You can purchase SFTP(recommend : 6m,max : 10m)LAN cables and cores
through LG additionally.