Switch manageable with 04 RJ45 ports with high performance copper (10/100 Mbit / s), two fiber optic ports (100 Mbps), autocrossing function, auto-negotiation, multimode, redundant power in 24Vdc, alarm contact, integrated Web server and extended temperature range (-25 ° C ... 75 ° C), FL SWITCH line LM 4TX / 2FX. Phoenix Contact._x000D_