MGX-SMFIR-4-155/B= Cisco MGX-SMFIR-4-155/B Single-mode Intermediate Reach Back Card - 4 x OC-3 Uplink - Interface Card

Elevate your network infrastructure with the Cisco MGX‑SMFIR‑4‑155/B Single‑Mode Intermediate Reach Back Card, engineered for seamless integration into high‑performance fiber optic environments. Designed to support four OC‑3 uplinks, this interface card delivers reliable, low‑latency connectivity that meets the demands of modern enterprise and service‑provider networks. Its compact, rack‑mountable form factor ensures easy deployment and maintenance, while the robust construction guarantees long‑term durability in demanding operational contexts. Whether you’re expanding bandwidth, upgrading legacy systems, or reinforcing network resilience, this Cisco back card provides a proven, scalable solution that enhances data throughput and streamlines fiber management.