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Panasonic Digital Trunk Card PRI23 KX-TDA0290 ISDN-PRI


  • Supports 1 ISDN-PRI Trunk
  • Supports up to 23 B-Channels and 1 D-Channel
  • B8ZS ESF Framing
  • Supports North Americal NI2 Standard

3 in stock


Panasonic Digital Trunk Card is a PRI23 KX-TDA0290 ISDN-PRI 30-channel primary rate ISDN interface card for the Panasonic KX-TDA100, 200, and 600 phone systems. Allows access to features such as DID Service which gives each person their own direct phone number. Supports PRI Circuits and Integrated Access T-1 Circuits, speak to your service provider about circuit hand-off. The KX-TDA0290 ISDN30 card provides a max of 30 channels.


  • These items have been refurbished
  • Refurbished items have been cleaned, tested, and confirmed to be fully functional
  • These items may have minor blemishes on their housings which cannot be removed during the refurbishing process

Panasonic PRI23 KX-TDA0290 ISDN-PRI Digital Trunk Card Features:
▪ 1-Port ISDN Primary Rate Interface
▪ 23 B Channels + 1 D Channel
▪ NI (North American standard ISDN protocol) compliant
▪ External Channel Service Unit (CSU) required
▪ The KX-TDA0290 requires 1 free slot
▪ Compatible with the following Panasonic Phone Systems


KX-TDE100, KX-TDE200, KX-TDE600, KX-TDA100 , KX-TDA200 , KX-TDA600