* 4GE+2SFP Uplink Watachdog Managed Industrial PoE Switch
* Supports smart watchdog function to monitor compliant PD
* Support Alarm Input and Alarm Output
* Port 3-4 Support 802.3BT 60W,Port 1-2 Support 24V/48V PoE Adaptable
* Support Web-based network management, support VLAN, QoS, RSTP,
SNMP etc. network function
* 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