Cisco Layer 2 Industrial Ethernet Switch Cisco IE2000 Cisco IE4000 Cisco IE5000 Cisco IE4010 15.2(5.5.03i)E2 15.2(5)E2 15.2(5)E2 15.2(5.5.03I)E2 15.2(5)E2c or 15.2(6)E0a (preferred) Provides connectivity to Level 0-2 devices. If MRP ring managed by TIA Portal is desired, ...