Cisco ASR 5000 Series

ASR 5000 Hardware Platform Overview
▀ Chassis Configurations
▄ ASR 5000 Installation Guide
20
Item
Description
5
Lower fan tray cover/EMI shield: Secures the lower fan tray assembly in place and serves as an EMI shield. The
cover also provides an air baffle allowing air to enter into the chassis.
6
Lower bezel: Covers the lower fan tray bay.
7
Lower fan tray assembly: Draws ambient air through the chassis’ front and sides for cooling and ventilation. It is
equipped with a particulate air filter to prevent dust and debris from entering the system.
8
Power Filter Units (PFUs): Each of the system’s two PFUs provides -48 VDC power to the chassis and its associated
cards. Each load-sharing PFU operates independently of the other to ensure maximum power feed redundancy.