Attaching A Ferrite Core - Panasonic KX-NS300 Installation Manual

4.2.8 Attaching a Ferrite Core

4.2.8 Attaching a Ferrite Core
A ferrite core must be attached when an RJ45 connector is connected to the EXP-M card or EXP-S card.
For the EXP-M/EXP-S Cards
Wrap the cable once around the ferrite core, then close the case of the ferrite core. Attach the ferrite core
5 cm away from the connector. The ferrite core is included with the Expansion Unit.
5 cm
Installation Manual 87