DS26519 - single-chip 16-port framer and line interface unit (LIU) combination
DS26519 Features
* 16 Complete T1, E1, or J1 Long-Haul/ Short-Haul Transceivers (LIU Plus Framer) Independent T1, E1, or J1 Selections for Each Transceiver Software-Selectable Transmit- and ReceiveSide Termination for 100Ω T1 Twisted Pair, 110Ω J1 Twisted Pair, 120Ω E1 Twisted Pair, and 75Ω E1 Coaxial Applications Hit