1-port ISDN Basic Rate Interface card. EURO-ISDN/ETSI compliant.
Accessory and User-supplied Items
Accessory (included): Extension Bolt × 1, Strap × 1
User-supplied (not included): RJ45 connector
When connecting this optional service card to the trunk, connect through an NT1; do
not connect to the U interface of the trunk directly.
This optional service card has 100
point connection, the card must be placed at the end of the bus.
This optional service card can be used for either trunk or extension connection, by
setting the A/B switch or using the connector with appropriate pin assignments.
To confirm the trunk connection, refer to "Confirming the Trunk Connection" in "6.12.1
Starting the Hybrid IP-PBX".
If the connected ISDN terminal has no external power source, make sure that the power
is supplied from the BRI1 card by programming the Hybrid IP-PBX accordingly.
However, if there is an external power source to the terminal, make sure that there is no
power supplied to the terminal from the BRI1 card. Failure to do so may cause damage to
the power supply circuit of the BRI1 card or the terminal.
6.3 Installation of the Trunk Cards — KX-TDA30
of terminal resistance. For use in point to multi-
Usage and Status Definition
Select A (default) for trunk or B for extension use.