The Cisco Nexus 5648Q offers three fan modules for 2+1 redundancy and four power supplies for 2+2 redundancy (Figure 5), and supports both port-side intake and fan-side intake airflow options for flexible mounting.
The Cisco Nexus 2000 Series design aligns with that of servers. It offers front-to-back cooling, compatible with data center hot-aisle and cold-aisle designs, all switch ports at the rear of the unit...