Features:• 48-port 10/100/1000Base-T RJ-45 copper with IEEE 802.3at / 802.3af Power over Ethernet Injector function• 4 SFP shared combo interfaces, SFP(Mini-GBIC) supports 100/1000X dual mode, shared with Port-45 to Port-48• RJ-45 to RS-232 console interface for basic management and setupTechnical Specifications:• Copper Ports: 48 10/100/1000Base-T RJ-45 auto-MDI/MDI-X ports• SFP/mini-GBIC Slots: 4 100/1000Base-X SFP interfaces, shared with Port-45 to Port-48• Compatible with 100Base-FX SFP transceiver• Console1 x RJ-45 to RS-232 serial port (115200, 8, N, 1)• Switch Architecture: Store-and-ForwardSwitch Fabric96Gbps / non-blockingThroughput71.4 Mpps@64BytesAddress Table16K entries, automatic source address learning and ageingShare Data Buffer16M bitsFlow ControlIEEE 802.3x pause frame for full-duplexBack pressure for half-duplexJumbo Frame10056bytesReset Button< 5 sec: System reboot> 5 sec: Factory defaultDimensions (W x D x H)440 x 440 x 44.2 mm, 1U heightLEDSystem: Power (Green) SYS (System, Green)Alert: Fan Alarm 1 (Red) Fan Alarm 2 (Red)PoE Ethernet Interfaces (Port 1 to Port 48): LNK/ACT (10/100/1000Mbps, Green) PoE-in-Use (Orange)100/1000Mbps SFP Combo Interfaces (Port 45 to Port 48): LNK/ACT (100/1000X, Green)Power Requirements100-240V AC, 50/60Hz, 12APower Consumption722 watts / 2462 BTUESD Protection2KV DCPower over EthernetPoE StandardIEEE 802.3af / 802.3at PoE / PSEPoE Power Supply TypeEnd-SpanPoE Power OutputPer Port 52V DC, 590mAMax. 30.8 wattsPower Pin Assignment1/2(+), 3/6(-)PoE Power Budget600 watts (max.)@ 25 degrees CPoE AbilityPD @ 11 watts: 48 unitsPD @ 15.4 watts: 38 unitsPD @ 30.8 watts: 19 unitsLayer 2 FunctionsPort ConfigurationPort disable / enableAuto-negotiation 10/100/1000Mbps full and half duplex mode selectionFlow control disable / enablePort StatusDisplay each port’s speed duplex mode, link status, flow control status, auto negotiation status, trunk statusPort MirroringTX / RX / BothMany-to-1 monitorVLAN802.1Q Tagged-based VLAN, up to 255 VLAN groupsQ-in-Q tunnelingPrivate VLAN Edge (PVE)MAC-based VLANProtocol-based VLANVoice VLANIP Subnet-based VLANMVR (Multicast VLAN Registration)GVRPUp to 255 VLAN groups, out of 4094 VLAN IDsLink AggregationIEEE 802.3ad LACP / Static Trunk24 groups of 8-Port trunk supportSpanning Tree ProtocolSTP / RSTP / MSTPQoSTraffic classification based, Strict priority and WRR8-level priority for switching - Port Number  - 802.1p priority - 802.1Q VLAN tag - DSCP/TOS field in IP PacketIGMP SnoopingIGMP (v1/v2/v3) Snooping, up to 255 multicast groupsIGMP Querier mode supportMLD SnoopingMLD (v1/v2) Snooping, up to 255 multicast groupsMLD Querier mode supportAccess Control ListIP-based ACL / MAC-based ACLUp to 256 entriesBandwidth ControlPer port bandwidth controlIngress: 100Kbps~1000MbpsEgress: 100Kbps~1000MbpsLayer 3 FunctionsIP InterfacesMax. 128 VLAN interfacesRouting TableMax. 32 routing entriesRouting ProtocolsIPv4 Static RoutingIPv6 Static RoutingManagement FunctionsBasic Management InterfacesConsole, Telnet, Web Browser, SNMP v1, v2cSecure Management InterfacesSSH, SSL, SNMP v3SNMP MIBsRFC 1213 MIB-IIRFC 1493 Bridge MIBRFC 1643 Ethernet MIBRFC 2863 Interface MIBRFC 2665 Ether-Like MIBRFC 2819 RMON MIB (Group 1, 2, 3 and 9)RFC 2737 Entity MIBRFC 2618 RADIUS Client MIBRFC 2863 IF-MIBRFC 3411 SNMP-Frameworks-MIB RFC 4292 IP Forward MIBRFC 4293 IP MIBRFC 4836 MAU-MIBIEEE 802.1X PAELLDPPoE-Ethernet MIBStandards ConformanceRegulation ComplianceFCC Part 15 Class A, CEStandards ComplianceIEEE 802.3 10Base-TIEEE 802.3u 100Base-TX/100Base-FXIEEE 802.3z 1000Base-SX/LXIEEE 802.3ab 1000Base-TIEEE 802.3x Flow Control and Back PressureIEEE 802.3ad Port Trunk with LACPIEEE 802.1D Spanning Tree protocolIEEE 802.1w Rapid Spanning Tree protocolIEEE 802.1s Multiple Spanning Tree protocolIEEE 802.1p Class of ServiceIEEE 802.1Q VLAN TaggingIEEE 802.1x Port Authentication tīkla ControlIEEE 802.1ab LLDPIEEE 802.3af Power over EthernetIEEE 802.3at Power over Ethernet PLUSRFC 768 UDPRFC 793 TFTPRFC 791 IPRFC 792 ICMPRFC 2068 HTTPRFC 1112 IGMP version 1RFC 2236 IGMP version 2RFC 3376 IGMP version 3RFC 2710 MLD version 1FRC 3810 MLD version 2