* 4FE+2FE Industrial PoE Switch with 4Port PoE
* Support 250meters Long range PoE Transmit
* Port VLAN function prevent voice data obstruct
*Support fast ring ,support 30 pcs switches Max. in a cascade system ,Self-healing in 20ms Min
*Industrial Level 4 protection(ESD,RS,EFT,CS);
*-40℃~80℃ working temperature
* DC Input 48-55V