2.4 Installation of the Trunk Cards
94 Installation Manual
2.4.9 PRI30 Card
Function
1-port ISDN Primary Rate Interface card (30B channels). EURO-ISDN/ETSI compliant.
Accessory and User-supplied Items
Accessory (included): Ferrite core × 1
User-supplied (not included): RJ45 or BNC connector
Notes
• In some countries/areas, this optional service card must not be connected to the Public Switched
Telephone Network.
• When connecting this optional service card to the trunk, connect through an NT1; do not connect
to the U interface of the trunk directly.
• Use only 1 type of connector (RJ45 or BNC) for connection; RJ45 and BNC cannot be used
simultaneously.
• When connecting the RJ45 connector, attach the included ferrite core. Refer to "2.2.9 Attaching a
Ferrite Core".
• 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 "2.13.1 Starting the
Hybrid IP-PBX".
CAUTION
PRI ports are SELV ports and should only be connected to SELV services.
LEDs
RJ45
To NT1/Extension
To NT1
/
Extension
BNC (TX)
BNC (RX)
AB
For RJ45
For BNC
120Ω
75Ω
120Ω
75Ω
OR
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