Industrial optical equipment of HSTW-IEL-6800M(48SF4XG) Series supports 48 port 10/100/1000 Base-LX Slot and 4 Slot 100/ 100/1000/2500/10000 Base-LX SFP+ slot, and provides advanced network management functions like duplexed ring network, VLAN, trunking, service quality, speed control, port mirroring, failure alarm, and online firmware upgrade. Since all components use industrial grade, the reliability of the product is very good and provides wide voltage input. It is very suitable for an outdoor environment with KCC standard, industrial standard design, dualized power input, and an operating temperature of –40℃~80℃.