3.5 Information about the Physical CO Line Cards
88
Installation Manual
3.5.4
PRI23 Card (KX-TDA0290)
Function
1-port ISDN Primary Rate Interface card (23B channels). NI (North American standard ISDN protocol)
compliant.
Accessories and User-supplied Items
Accessories (included):
none
User-supplied (not included):
RJ45 connector
Notes
•
Connect this optional service card to the CO line through an NT1; do not connect to the U interface
of the CO line directly.
•
To confirm the CO line connection, refer to "Confirming the CO Line Connection" in "3.14.1 Starting
the PBX".
CAUTION
PRI ports are SELV ports and should only be connected to SELV services.
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.
LEDs
RJ45
AB
To NT1
Содержание KX-TDE110
Страница 38: ...1 4 Specifications 38 Installation Manual ...
Страница 44: ...2 1 Information about the Activation Keys 44 Installation Manual ...
Страница 166: ...3 14 Starting the PBX 166 Installation Manual ...
Страница 186: ...5 1 Troubleshooting 186 Installation Manual ...
Страница 187: ...Installation Manual 187 Index ...
Страница 191: ...Index Installation Manual 191 ...