What is Redundant Power Input?

Redundant power input is the inclusion of multiple power sources to ensure continuous device operation in case of a power failure. When one power source fails, the system automatically switches to the backup power input, preventing downtime and maintaining uninterrupted operation. Redundant power input is critical for environments where system reliability and uptime are crucial. It is commonly implemented with two or more power supplies connected to different power sources for added resilience and reliability.

Example Scenario:
A facility experiences a power loss, causing the main power supply to fail. The switch is equipped with a secondary power supply unit to ensure reliable operation. The network administrator has configured the switch to trigger an alarm when either the main or secondary power is disconnected, removed, or disabled. In response, the switch sends out SNMP traps and email alarms to notify the administrator. This solution is considered a power down trap. Ensuring the network administrator is alerted immediately to any power issues allows for quick troubleshooting and minimal downtime.

Alarm Information:
Managed and Lite-Managed switches can observe alarm information, including alarm status, failure reasons, and power conditions. The DIP switches enable the switch to send email alarm notifications, SNMP traps, or Syslog messages when power status changes. This functionality is active only if these features are properly configured and enabled on the switch. The notifications are triggered when the main or redundant power goes down or comes back up. Consequently, administrators are alerted to power disruptions. This feature enhances the network’s reliability through continuous monitoring of power conditions.

Content created by Mike Day