Planet GS-5220-48T4X User Manual page 19

Environment
Operating
Storage
IEEE 802.1D Spanning tree protocol
IEEE 802.1w Rapid spanning Tree
protocol
IEEE 802.1s Multiple Spanning Tree
protocol
IEEE 802.1p Class of service
Temperature: 0 ~ 50 degrees C
Relative Humidity: 5 ~ 95% (non-condensing)
Temperature: -10 ~ 70 degrees C
Relative Humidity: 5 ~ 95% (non-condensing)
19
User's Manual of GS-5220-48T4X
RFC 2068 HTTP
RFC 1112 IGMP version 1
RFC 2236 IGMP version 2
RFC 3376 IGMP version 3
RFC 2710 MLD version 1
FRC 3810 MLD version 2