Cisco DWDM-XENPAK-42.14=

CISCO 10GBASE DWDM XCVR 1542.14NM XENPAK The Cisco Dense Wavelength-Division Multiplexing (DWDM) XENPAK pluggable allows enterprise companies and service providers to provide scalable and easy-to-deploy 10 Gigabit Ethernet services in their networks.