The IA3131 integrated ST Interface codec and IA3222 Programmable Direct Access Arrangement (DAA) chipset are suitable for worldwide telephone line interface requirements and standards. The patented IsoBridge™ isolation technology eliminates the need for usual telecom isolation components, such as transformers or optocouplers.

The chipset can be programmed by software to pass PTT certification worldwide. The integrated serial interface provides an easy access to all functions supported by embedded softmodems. This chipset is ideal for all modem systems requiring isolated DAAs, such as alarm systems, Fax and Multi-Function Printers, Set-Top-Boxes, Point-Of-Sale Terminal, etc.

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