3.2 Installation of the PBX
3.2.9Attaching a Ferrite Core
A ferrite core must be attached when:
•an RJ45 connector is connected to an IPCMPR, T1, E1, PRI, BRI,
•an Amphenol connector is connected to an extension card.
Note
In Canada, the ferrite core is not necessarily required for the T1 and PRI23 cards.
Attaching to an RJ45 Connector
For the IPCMPR Card
Wrap the cable once around 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 PBX.
3 cm
For T1/E1/PRI/IP-GW16/IP-EXT16 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 card.
5 cm
66