Panasonic KX-TDE100 Installation Manual page 70

3.2 Installation of the PBX
Attaching to an Amphenol Connector
For Extension Cards
Pass the cable through the ferrite core, then close the case of the ferrite core. Attach the ferrite core 3 cm
away from the connector. The ferrite core is included with the card.
If you need to open the ferrite core, use a flathead screwdriver to unlatch the case of the ferrite core.
70 Installation Manual
3 cm