Installation manual

Table Of Contents
3.7.4 PRI23 Card (KX-TDA0290)
Function
1-port ISDN Primary Rate Interface card (23B channels). NI (North American standard ISDN protocol)
compliant.
LEDs
RJ45
AB
NT1
Accessories and User-supplied Items
Accessories (included): none
User-supplied (not included): RJ45 connector
CAUTION
PRI ports are SELV ports and should only be connected to SELV services.
Connect this optional service card to the CO line through an NT1; do not connect to the U interface of
the CO line directly.
Note
To confirm the CO line connection, refer to "Confirming the CO Line Connection" in "3.15.1 Starting
the PBX".
Switch Settings
Switch
Type Usage and Status Definition
A/B Slide Keep the switch at default A position. Do not change the position
of this switch.
Document Version 2009-12 Installation Manual 145
3.7.4 PRI23 Card (KX-TDA0290)