Power Redundancy on SRX5400
The power redundancy feature in SRX5400 supports to manage the high-capacity high line power supplies for 2+2 AC redundancy mode. The power rate is 1167W at low line and 2050W at high line on SRX5400. The 2+2 redundancy mode requires four AC power supplies.
The minimum PSU requirement is now 2 instead of 1 for the PEM alarm to be raised. If you install only 1 high-capacity high line AC, a major alarm is raised.
For more information about power supply on SRX5400 refer to SRX5400 Services Gateway AC Power Supply Specifications.