Attaching A Ferrite Core - Panasonic KX-TDA100 Installation Manual

2.2.9

Attaching a Ferrite Core

A ferrite core must be attached when:
• connecting T1, E1, PRI, and BRI cards using an RJ45 connector (except in Canada,
where the ferrite core is not necessarily be attached), or
• connecting extension cards using an Amphenol connector.
The ferrite core is included with the card.
When connecting a T1/E1/PRI card
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.
When connecting a BRI card
Attach the ferrite core, then close the case of the ferrite core. Attach the ferrite core as close to
the card's connector as possible.
5 cm
When only 1 or 2 cables are used for connection, wrap the
cable(s) once around the ferrite core.
When 3 or 4 cables are used for connection, simply pass the
cables through the ferrite core.
2.2 Installation of the Hybrid IP-PBX
Installation Manual 51