NT1U-223TC cards are ISDN Network Terminations that are used in an NT1-296 rack. Each NT1U-223TC card contains three NT1 circuits, with support for two phones per circuit. A fully loaded NT1-296 rack has a maximum capacity of 48 NT1s and can support 96 ISDN terminals.
NT1U-223TC cards are ISDN Network Terminations that are used in an NT1-296 rack. Each NT1U-223TC card contains three NT1 circuits, with support for two phones per circuit. A fully loaded NT1-296 rack has a maximum capacity of 48 NT1s and can support 96 ISDN terminals.