Cisco IE-2000-16TC-G-X Industrial Ethernet, Installed Size 256, 64 megabyte, Forwarding performance (64-byte packet size): 6.5 Mpps, Gigabit Ethernet, Fast Ethernet SFP, Expansion Slots 1 (total) / 1 (free) x SD Memory Card, Interfaces 16 x 100Base-TX RJ-45, 4 x SFP (mini-GBIC), 2 x 1000Base-T RJ-45, MTBF 374,052 Hours. The Cisco Industrial Ethernet 2000 (IE 2000) Series is a range of compact, industrially ruggedized access switches. IE 2000 series provide customers with ease of use, secure access, and industry leading convergence using Cisco Resilient Ethernet Protocol (REP).