Cisco 10GBASE-ER XENPAK Module for SMF. Data transfer rate (max): 10000 Mbit/s, Cabling technology: 10GBASE-ER. Connectivity technology: Wired. Maximum transfer distance: 40000 m, Wavelength: 1550 nm. Compliance industry standards: IEEE 802.3ae. Power consumption (typical): 8 W

The range of Cisco® 10GBASE XENPAK modules offers a wide variety of 10 Gigabit Ethernet connectivity options for data center, enterprise wiring closet, and service provider transport applications.
Main features of Cisco 10GBASE XENPAK modules include:
-Supports 10GBASE Ethernet.
-Hot-swappable input/output device plugs into an Ethernet XENPAK port of a Cisco switch or router to link the port with the network.
-Provides flexibility of interface choice.
-Supports "pay-as-you-populate" model.
-Supports the Cisco quality identification feature that enables a Cisco switch or router to identify whether the module is a Cisco certified and tested XENPAK module.

Cisco XENPAK-10GB-ER / -ER+: Supports a link length of up to 40 km on SMF (G.652).