Cisco 1-port VDSL2/ADSL2+ over POTS with Annex M - DSL modem - Network Interface Module (NIM) - refurbished - for Cisco 4451-X

The Cisco multi-mode VDSL2/ADSL2+ provides 1-port multi-mode VDSL2 and ADSL2/2+ WAN connectivity. It ensures high-speed digital data transmission between the customer premises equipment and the central office, usually located on the telephone company premises. This capability enables service providers and resellers to offer additional services such as business-class security; voice, video, and data; differentiated classes of service and managed network access over existing telephony infrastructure. These value-added features provide the mission-critical networking features that businesses expect.