Panasonic KX-TDE200 Getting Started page 12

2.4 Installing the Trunk Cards
BRI4/BRI8 Card
Example: BRI8 Card
LINE 1 to
LINE 8
To NT1
Accessories (included): Ferrite core(s) × 1 (BRI4 card) or 2 (BRI8 card)
User-supplied (not included): RJ45 connector
Notes
• LINE 5 to LINE 8 are for BRI8 card only.
• Connect these optional service cards to the trunk through an NT1; do not connect to the U interface
of the trunk directly.
These optional service cards have 100 Ω of terminal resistance. For use in point to multi-point
•
connection, the cards must be placed at the end of the bus.
• When connecting the RJ45 connector, attach the included ferrite core.
12 Getting Started for Physical Cards
RJ45
TX2(-)
RX1(-)
RX2(+)
TX1(+)
To attach the ferrite core
When using 1 or 2 cables:
When using 3 or 4 cables:
• For every 4 cables, use 1 ferrite
core; a ferrite core holds a
maximum of 4 cables.
• Attach the ferrite core as close to
the card's connector as possible.