“Legrand 40GBASE-ER4 Module for SMF with OTU-3 data-rate Support – For Optical Network, Data Networking – 1 x LC 40GBase-ER4 Network – Optical Fiber – Single-mode – 40 Gigabit Ethernet – 40GBase-ER4 – 40 CISCO COMP” has been added to your cart. View cart