28 Port Industrial L2+ Managed Gigabit POE ++ Switch

• 24*10/100/1000Base-T RJ45 PoE
• 4*1G/2.5G/10GBase-X SFP+ ports
• IEEE802.3at PoE+ and IEEE802.3bt PoE++
• Full L2 feature set and light L3 features
• Support G.8032 ERPS, recovery time ≤20ms
• Support DI/DO/RS485 and USB one key configuration & upgrading
• Support 6KV surge protection; ESD: Air-15KV, Contact-8KV Protection
• IP40 Din-rail housing design
• Operating temperature -40~70 degree C