The Cisco XFP Module offers customers a variety of 10 Gigabit Ethernet and Packet-over-SONET/SDH (POS) connectivity options for data center, enterprise wiring closet, and service provider transport applications. Features Supports 10GBASE Ethernet and OC-192/STM-64 data rates Hot-swappable input/output device plugs into a XFP port of a Cisco Systems router to link the port with the network Provides flexibility of interface choice Supports \"pay-as-you-populate\" model Supports the digital optical monitoring capability Supports the Cisco quality identification (ID) feature that helps enable a Cisco switch or router to identify whether the module is a Cisco certified and tested XFP Supports optical interoperability with respective Cisco 10GBASE XENPAK and X2, and SFP+ modules on the same link