Cisco 3900-FANASSY-NEBS

The Cisco 3900-FANASSY-NEBS is a fan assembly module designed for Cisco 3900 series routers that comply with NEBS (Network Equipment-Building System) standards. NEBS is a set of standards developed by Telcordia Technologies (formerly Bell Communications Research) that define the requirements for telecommunications equipment to ensure their safety, reliability, and performance in a network environment. The Cisco 3900-FANASSY-NEBS fan assembly module is specifically designed to meet the NEBS requirements for Cisco 3900 series routers, providing efficient cooling and ensuring the router's compliance with NEBS standards.