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The ADTRAN Quad FXS+ voice interface card is designed to enhance TSU multiplexers by providing high-quality, reliable analog voice interfaces. This module supports both FXS (Foreign Exchange Station) and FXO (Foreign Exchange Office) applications, making it an ideal solution for PBX systems, dial-up modem pools, and other voice-centric deployments.
With four 2-wire voice-grade connections, the Quad FXS+ delivers line-current and ringing voltage to connected devices, ensuring seamless communication. Its flexible connectivity options allow for various configurations, including PLAR (Private Line Automatic Ringdown) and trunking services, thereby enhancing operational efficiency in voice applications.
Adtran 1202300L1 Quad FXS+ Voice Interface Card - 2nd Gen
