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Hardware-managed RS485 transceiver with automatic flow control (Auto DE/RE). Features industrial-grade protection (SM712 TVS & PTC) and optimized fail-safe biasing. Designed for robust, software-independent communication up to 115.2 kbps.
Protect your AC system from lightning and power surges in South Florida — surge protector types, installation guide, and insurance tips. https://ac-repair.today