The Cisco CN4I8WCFAA line card is a two-port POS module for Cisco routers that supports OC-48/STM-16 transport with SRP POS. It is described as an SRP POS line card with two ports, designed to carry SONET/SDH traffic at OC-48/STM-16 speeds in Cisco networks. Use cases include adding SRP-based POS connectivity to existing Cisco router deployments requiring OC-48/STM-16 performance.
