The Hirschmann GREYHOUND GMM switch Media Module is a robust network solution designed to enhance connectivity within industrial environments. This module features eight Fast Ethernet fiber ports, with each pair (ports 1 and 3, 5 and 7, 2 and 4, 6 and 8) providing multimode FX connections using ST connectors at a data rate of 100 Mbit/s. Engineered for resilience, it operates reliably across extreme temperature ranges from -40 deg C to +70 deg C. The module adheres to stringent industry standards including CE, FCC, EN 61131, EN 60950, IEC 61850-3, and IEEE 1613 for substation use. It is specifically compatible with the GRS1040 switch series. As part of Hirschmann's network solutions category and switch modules type, this product ensures high-performance networking in demanding conditions.