Cisco CPAK10G4 10 km Transceiver Module | Enterprise Optics, SFP

Keep long-distance Ethernet links stable with Cisco CPAK10G4 transceiver optics built for 10 GbE transport over single-mode fiber. With a 10 km reach, this module fits campus backbones, building interconnects, and metro edge links where predictable optical performance matters more than low-cost short-reach parts. Cisco optics are often chosen when the network cannot afford guesswork. This module is suited to environments that need consistent link behavior, clean interoperability within Cisco infrastructure, and a transceiver class aligned to enterprise deployment standards. For teams standardizing on Cisco hardware, it helps preserve compatibility and reduce time spent validating third-party optics across critical paths. Use it where fiber runs are too long for copper and where a short-reach module would force unnecessary design compromises. The result is a cleaner optical layer for uplinks, aggregation, and distance-sensitive connections that support production traffic without adding complexity.