* 8GE+2SFP Fiber Uplink Industrial 24V/48V Adaptable Managed PoE Switch
* Buffer reaches 4Mbit, Support 4K high-definition video transmission
* Smart PoE Tech support 24-48V PoE output via auto-detect and select in software
* 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
* IEEE802.3af (15.4W) and IEEE802.3at (30W)
* DC Input 18-57V