User's Manual of GS-5220 Ultra PoE & PoE+ Series
Redundant Power System
(GS-5220-24P4XR, 24PL4XR, 16UP4S2XR, 24UP4XR and 24UPL4XR)
■ 100~240V AC/36-60V DC Dual power redundant
■ Active-active redundant power failure protection
■ Backup of catastrophic power failure on one supply
■ Fault tolerance and resilience.
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