DWDM-XENPAK-31.90= Cisco 10Gb/s 10GBase-DWDM Single-Mode Fibre 1531.90nm 80km Duplex SC Connector XENPAK Transceiver Module

The DWDM-XENPAK-31.90 is a premium transceiver designed for demanding data‑center and carrier‑grade networks, delivering crystal‑clear, long‑reach optical connectivity over single‑mode fiber. Engineered for seamless integration with Cisco platforms, this module ensures reliable, high‑capacity transmission while minimizing latency and power consumption. Its rugged construction and built‑in diagnostics provide peace of mind for mission‑critical applications, and the duplex SC interface simplifies installation and maintenance. Ideal for enterprises seeking scalable, future‑proof infrastructure, this transceiver combines industry‑leading performance with the durability required for continuous, high‑volume traffic.