Arista PWR-521-DC-RED | 500W DC Power Supply for 720XP Switches, Hot-Swappable

Q: Which Arista switches are compatible with the PWR-521-DC-RED?
A: The PWR-521-DC-RED is specifically designed for Arista 720XP Series 1RU campus switches, including models like CCS-720XP-48ZC2, CCS-720XP-48Y6, and CCS-720XP-24Y6. It is not compatible with other Arista switch series.

Q: What does the RED handle designation indicate?
A: The RED handle indicates front-to-rear airflow direction. This ensures proper cooling and must match your switch's airflow configuration for optimal thermal management.

Q: Can I use this power supply for PoE deployments?
A: Yes, the PWR-521-DC-RED supports PoE+ configurations on compatible 720XP switches. When deployed in dual power supply configurations with 500W DC units, it provides approximately 794W of available PoE power.

Q: Is redundant power supply configuration supported?
A: Yes, the 720XP Series switches support N+1 redundant power supply configurations. You can install a second PWR-521-DC-RED for power redundancy and increased PoE capacity.

Q: What is the input voltage requirement for this DC power supply?
A: The PWR-521-DC-RED requires a DC input voltage of -48 to -60 VDC, which is standard for telecommunications and data centre DC power infrastructure.