Contextual Info: M ITEL £? SEMI CONDUCTOR D | fe.2tH370 MITEL* >, y. 12E □ Q0 5G ? fl 0 g ISO-CMOS ST-BUS FAMILY MT8970 Digital Line Interface Circuit 7 T-lS-y-S -o v ._ f/t •»> A* X A -■'•»S •». s? •* « ✓ « « « '» W A V « . « *%• T v D E C E M B E R 1987

Contextual Info: M ITEL MT8970 Digital Line Interface Circuit ISO-CMOS ST-BUS FAMILY 9161-002-026-NA Pin Connections Features • MITEL ST-BUS™ Compatible • Full Duplex Transmission over 2 Telephone Pairs • Selectable 256 or 128 kbit/s Line Rate • Interface for Both Ends of Line