Description

The MT9171 (DSIC) and MT9172 (DNIC) are pin for pin compatible replacements for the MT8971 and MT8972, respectively. They are multi-function devices capable of providing high speed, full duplex digital transmission up to 160 kbit/s over a twisted wire pair.

Features

• Full duplex transmission over a single twisted pair

• Selectable 80 or 160 kbit/s line rate

• Adaptive echo cancellation

• Up to 3 km (9171) and 4 km (9172)

• ISDN compatible (2B+D) data format

• Transparent modem capability

• Frame synchronization and clock extraction

• Zarlink ST-BUS compatible

• Low power (typically 50 mW), single 5 V supply

Applications

• Digital subscriber lines

• High speed data transmission over twisted wires

• Digital PABX line cards and telephone sets

• 80 or 160 kbit/s single chip modem