Description The Cisco QSFP-40G-ER4 compatible 40GBASE-ER4 module is engineered for long-reach 40Gb/s data transmission over single-mode fiber (SMF) up to 40km. Operating at 1310nm via a duplex LC interface, it supports Digital Optical Monitoring (DOM). This module provides a reliable and high-performance interconnect for Cisco-based long-haul carrier and metro networking.
