The Hirschmann GRS1042 is a robust, modular managed rackmount switch designed for complex network solutions. This switch supports up to 28 ports, starting with a basic unit that includes 12 fixed ports: four Gigabit Ethernet/2.5 Gigabit Ethernet SFP slots, two Fast Ethernet/Gigabit Ethernet SFP slots, and six Fast Ethernet/Gigabit Ethernet TX ports. It offers flexibility with two media module slots that can each add eight additional Fast Ethernet/Gigabit Ethernet ports.Engineered to withstand extreme temperatures ranging from -40 deg C to +70 deg C, the GRS1042 is suitable for harsh industrial environments. The switch features dual power supply inputs; the first accepts 60 to 250 VDC and 110 to 240 VAC, while the second accommodates either 24 to 48 VDC or PoE/PoE+ at 48 to 54 VDC.Equipped with HiOS Layer 2 Advanced software, it ensures sophisticated networking capabilities. The device comes with two cover plates pre-assembled for media modules and meets various industry standards including CE, FCC, EN 61131, and EN 60950 approvals. Ideal for engineers looking for a reliable and expandable networking switch solution from a trusted brand in network technology.