Management features Switch type  Managed show more Switch layer  L2/L3 show more Power over Ethernet (PoE) Power over Ethernet (PoE)  Yes show more Power over Ethernet (PoE) ports quantity  23 show more Power over Ethernet (PoE) voltage range  24 - 48 show more Ports & interfaces USB 2.0 ports quantity  2 show more Console port  RJ-45 show more Basic switching RJ-45 Ethernet ports quantity  16 show more Basic switching RJ-45 Ethernet ports type  Gigabit Ethernet (10/100/1000) show more SFP module slots quantity  4 show more Performance Internal memory  64 MB show more Processor frequency  400 MHz show more Built-in processor  Yes show more Network VLAN support  Yes show more Spanning tree protocol  Yes show more Design Rack mounting  Yes show more Product colour  Black show more Stackable  Yes show more Form factor  1U show more LED indicators  Activity, Link, PoE, Speed show more Housing material  Metal, Rubber show more Reset button  Yes show more Certification  CE, FCC, IC show more Operational conditions Operating temperature (T-T)  -25 - 55 show more Data transmission Jumbo frames support  Yes show more Certificates Certification  CE, FCC, IC show more Power Power consumption (max)  300.0000 show more AC input voltage  110 - 230 V show more Weight & dimensions Depth  186 mm show more Width  480 mm show more Height  44.5 mm show more Weight  3950 g show more Logistics data Harmonized System (HS) code  85176990 show more