2.2.9
A ferrite core must be attached when an RJ45 connector is connected to the IP-EXT4 card.
Attaching to an RJ45 Connector
For the IP-EXT4 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. The ferrite core is included with the card.
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Attaching a Ferrite Core
5 cm
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2.2 Installation of the Hybrid IP-PBX
Installation Manual
55