Description The Cisco GLC-EX-SM1550-40 compatible 1000BASE-EX SFP module delivers robust 1Gb/s performance over a 40km span using single-mode fiber (SMF). Built with a 1550nm nominal wavelength and a Duplex LC connector, it supports full Digital Optical Monitoring (DOM). This module offers a reliable and high-bandwidth solution for intermediate-reach interconnections in Cisco-based professional networking.
