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