SMB-2-155-EL= Cisco Electrical Back Card - 2 x OC-3c/STM-1 - Interface Card

The Cisco Electrical Back Card delivers reliable, high‑capacity connectivity for demanding network environments, seamlessly integrating into your existing infrastructure to expand bandwidth and ensure uninterrupted data flow. Engineered for durability, this interface card provides robust performance with dual optical interfaces that support mission‑critical applications, from enterprise backbones to service‑provider networks. Its compact design fits easily into standard chassis, while advanced error‑correction and fault‑tolerant features protect against data loss. Whether upgrading legacy systems or building new high‑speed links, this card offers the flexibility and stability needed to keep your operations running smoothly.