The Westermo RD-48 LV is a robust industrial modem and repeater designed to extend serial communication over long distances using private or leased lines. Engineered for mission-critical applications in harsh environments, it supports RS-232 and RS-422/485 interfaces, ensuring versatile connectivity. The RD-48 LV features comprehensive galvanic isolation to protect against ground loops and electrical noise, enhancing system reliability. Its wide operating temperature range and DIN-rail mounting make it an ideal solution for industrial automation, utility, and infrastructure networks requiring dependable point-to-point or multidrop serial data transmission.