Sony ROOMLINK PCNA-MR10 Quick Reference Manual page 6

Attaching the ferrite core
To comply with FCC Rules, Part 15, a ferrite core is supplied with RoomLink™. The ferrite core
*
should be attached to the network cable , to reduce or eliminate electrical interference.
1) Open the ferrite core and place the core approximately 3 to 4 inches from the end of the network
cable.
2) Wrap the network cable twice around the ferrite core, lengthwise, with the cable running directly
through the center groove of the core.
3) Close the ferrite core tightly around the network cable until the core locks.
To attach the ferrite core
Ethernet port
Ferrite core
* The network cable must be compatible with the 100BASE-TX standard.
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