• Compatible with Panasonic KX-TDA100, KX-TDA200, KX-TDA600, KX-TDE100, KX-TDE200, KX-TDE600 Phone Systems
• This Panasonic T-1 Card supports 24 ports per card Channels assignable as LCO, GCO, DID, OPX, and TIE (EM)
• External Channel Service Unit (CSU) required
• Supports T-1 Circuits, speak to your service provider about circuit hand off
• Card requires 1 free slot

All original accessories are included in our like new products.