2.4 Installing the Trunk Cards
PRI30/PRI23 Card
Example: PRI30 Card
To NT1
To NT1
120Ω
OR
75Ω
For BNC
Accessories (included): Ferrite core ´ 1
User-supplied (not included): RJ45 or BNC connectors
CAUTION
Connect these optional service cards to the trunk through an NT1; do not connect to the U interface of the
trunk directly.
Notice
When connecting the RJ45 connector, attach the included ferrite core (except in Canada, where the ferrite
core is not necessarily required).
Note
•
In some countries/areas, the PRI30 card must not be connected to the Public Switched Telephone
Network.
•
Use only 1 type of connector (RJ45 or BNC) for connection of PRI30 card; RJ45 and BNC cannot be
used simultaneously. Set the termination switch to 120 W (default) or 75 W for connector type to be
used.
16
Getting Started
RJ45
TX+
TX-
RX-
RX+
For RJ45
120Ω
75Ω
To attach the ferrite core
5 cm
BNC (TX)
TX+
TX-
BNC (RX)
RX-
RX+