RGPS-R9244GP+-LP Industrial Layer-3 28-port managed Gigabit PoE Ethernet switch with 24×10/100/1000Base-T(X) P.S.E. and 4x1G/10GBase-X, SFP+ socket, low watts power supply included, EU power cord Datasheet Manual Firmware FeatureSupport Layer 3 static routing, RIP and VRRP functionSupport O-Ring(recovery time < 30ms) andMSTP(RSTP/STP compatible) for Ethernet RedundancyO-Chain allow multiple redundant network ringsSupportstandard IEC 62439-2 MRP*note (Media Redundancy Protocol) function24 port P.S.E. fully compliant with IEEE802.3at standard, provide up to 30 Watts per portSupport PoE on/off scheduled configurationSupport PoE alive check and auto reboot fuctionSupport IPv6 new internet protocol versionSupport Modbus TCP protocolSupport IEEE 802.3az Energy-Efficient Ethernet technologyProvided HTTPS/SSH protocol to enhance network securitySupport SMTP client and SNTP server protocolSupport application-based QoS managementSupport Device Binding security functionSupport DOS/DDOS auto preventionIGMP v2/v3 (IGMP snooping support) for filtering multicast trafficSupport SNMP v1/v2c/v3 & RMON & 802.1Q VLAN Network ManagementSupport ACL and 802.1x User Authentication for securitySupport 10K Bytes Jumbo FrameSFP socket support DDM functionMultiple notification for warning of unexpected eventSupport DBU-01 backup unit device to quickly backup/restore configurationWeb-based ,Telnet, Console (CLI), and Windows utility (Open-Vision) configurationSupport LLDP Protocol19 inches rack mountable design*NOTE: This function is available by request only