POE Switch CKP Series DIN-Rail Industrial POE Switches IGMPv1/v2, GMRP, GVRP, SNMPv1/v2C/v3 DHCP Service/Client, TFTP, SNTP POE ... Base-X4x1000 Base-X4x1000 Base-X2x1000 Base-X(combo) PoE(Option) IEEE802.3af-4p:4PoE ports-8p:8PoE ports ... 6(CS), level 3;Freefall:IEC 60068-2-32 Switch Properties:Priority Queues:4IGMP Groups:256VLAN ID Range:4KMAC ... Surge),level3;EN61000-4-8 DIN-Rail Industrial POE Switch