Manufacturer: Allen-Bradley / Rockwell AutomationAllen Bradley 1783-ZMS8T8E2TGP ArmorStratix 5700 Ethernet Managed Switch, 16-Port 10/100 Copper (Including 8-Port 10/100 PoE), 2-Port 10/100/1000 GE Copper, Full Firmware Type, CIP Sync (IEEE 1588)