Cisco IEM-3300-16T | Catalyst IE3300 16-Port Gigabit Expansion Module, DIN Rail SITC Operates at 1310 nm with

Operates at 1310 nm with LC duplex connector and digital diagnostics (DOM)

designed for focused calling in busy call floors

850nm 1000BASE-SX optics support up to 550 m on 50/125 µm MMF with LC connectors

low-power 40GbE or InfiniBand QDR links

5 mm plug plus USB-C adapter for modern laptops and tablets

Cisco IEM-3300-16T | Catalyst IE3300 16-Port Gigabit Expansion Module, DIN Rail SITC Operates at 1310 nm withThe Cisco IEM 3300 16T is a rugged expansion module that adds 16 Gigabit Ethernet copper ports to Catalyst IE3300 Series switches, enabling scalable industrial network deployments. Designed for harsh environments in manufacturing, energy, transportation, and smart cities, this hot swappable module delivers reliable connectivity with DIN rail mounting for flexible installation. It extends the base IE3300 switch to up to 26 total ports, supporting high