Product :- SIEMENS RUGGEDCOM RSG2100 Rackmount Ethernet Switch Model : RSG2100 3 x 10/100/1000BASE-X ports 16 x 10/100BASE-X ports 2 port modules for added flexibility Industry standard fiber optic connectors: ST, MTRJ, LC, SC, RJ45, micro-D Copper, multi-mode and single-mode optical transceivers Fully integrated, optional dual redundant power supplies Universal high-voltage range: 88-300 VDC or 85-264 VAC Low-voltage range: 24 VDC (10 – 36 VDC) or 48 VDC (36 – 72 VDC) Screw or pluggable terminal blocks for reliable, maintenance-free connections CSA/UL 60950 safety approved to +85° C