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User's Manual of GS-5220-24T4XV(R) Managed LCD Switch
Redundant Ring, Fast Recovery for Critical Network Applications
The GS-5220-24T4XVR supports redundant ring technology and features strong, rapid self-recovery capability to prevent
interruptions and external intrusions. It incorporates advanced ITU-T G.8032 ERPS (Ethernet Ring Protection Switching)
technology, IEEE 802.1s Multiple Spanning Tree Protocol (MSTP), and dual power input system into customer's industrial
automation network to enhance system reliability and uptime in harsh factory environments. In a certain simple ring network, the
recovery time of data link can be as fast as 20ms.
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