Description

The M-986-1R2 and -2R2 MFC Transceivers contain all the logic necessary to transmit and receive CCITT R2F (forward) and R2B (backward) multifrequency signals on one 40-pin integrated circuit (IC). M-986-1R2 is a single-channel version; M-986-2R2 provides two channels. R1 single and dual multifrequency transceivers are also available as M-986-1R1 and - 2R1.

Features

• Direct A-Law PCM digital input

• 2.048 Mb/s clocking

• Programmable forward/backward mode

• Programmable compelled/direct control

• Operates with standard codecs for analog interfacing

• Microprocessor read/write interface

• Binary or 2-of-6 data formats

• Single- or dual-channel versions

• 5 volt power

Applications

• Test equipment

• Trunk adapters

• Paging terminals

• Traffic recorders

• PBXs