TP-Links T3700G-28TQ is an L3 managed switch designed to build a highly accessible, scalable, and robust network. The switch is equipped with 24 Gigabit RJ-45 ports, 4 Combo Gigabit SFP and up to 4 10Gbps SFP slots, giving network administrator great network flexibility. It supports abundant Layer 3 routing protocols such as RIP and OSPF which are a critical part in the creation of fully resilient scalable networks. Whats more, with physical stacking feature and optional redundant external power unit, T3700G-28TQ provides a robust network with efficient redundancy. T3700G-28TQ provides robust security to help secure your enterprise network. TP-Links T3700G-28TQ L3 managed switch provides a reliable and cost-effective solution for enterprise, campus and ISP networks. Main Features Abundant Layer 3 routing protocols including RIP/OSPF/ECMP/VRRP that support a scalable network True Physical Stacking technology supports up to 8 units and 320Gbps backplane bandwidth for high scalability and efficient redundancy 10 Gigabit Ethernet uplink provides high-bandwidth applications for congestion relief and smooth data delivery Removable power unit and redundant power supply functionality minimizes downtime PIM-SM/PIM-DM/IGMP Snooping for resilient video deployments Routing Layer 2 ServicesIGMP Snooping V1/V2/V3 802.3ad LACP (Up to 32 aggregation groups, containing 8 ports per group)  Spanning Tree STP/RSTP/MSTP  BPDU Filtering/Guard  TC/Root Protect  Loop back detection  802.3x Flow Control Layer 3 ServicesWire-speed IP forwarding  Static Routing  RIP v1, v2  OSPF v2  ECMP PIM-SM/PIM-DM/IGMP  DHCP Server/Relay  ARP Proxy  VRRP Performanc Backplane320 Gbps MAC Addresses32000 Network Latency10BASE-T: UTP category 3, 4, 5 cable (maximum 100m)  100BASE-TX/1000Base-T: UTP category 5, 5e or above cable (maximum 100m)  100BASE-FX: MMF, SMF  1000BASE-X: MMF, SMF  10GBASE-LR 10GBASE-SR Packet Forwarding Rate95.2M pps Stacking Bandwidth (Max)20 Gbps Stacking Capabilities8 switch units Interfaces/Ports Number of Fixed Ports24 port(s) Fixed Port ConnectorRJ-45 Fixed Port Speed10/100/1000 Mbps Fixed Ports/ConnectorsAUTO Negotiation/AUTO MDI/MDIX Number of Slots4 slot(s) Slot TypeSFP Console Ports1 Wireless VLANsSupports up to 4K VLANs simultaneously (out of 4K VLAN IDs)  IEEE 802.1Q VLAN/MAC VLAN/Protocol VLAN/QinQ/Private VLAN/GVRP Compliance Standards ComplianceIEEE 802.3i, IEEE 802.3u, IEEE 802.3ab, IEEE802.3z, IEEE 802.3ae, IEEE 802.3ad, IEEE 802.3x, IEEE 802.1d, IEEE 802.1s, IEEE 802.1w, IEEE 802.1q, IEEE 802.1x, IEEE 802.1p Warranty WarrantyFive Years. System Management CapabilitiesWeb-based GUI and CLI management  SNMP v1/v2c/v3,compatible with public MIBs and TP-Link private MIBs  RMON (1, 2, 3, 9 groups)  DHCP/BOOTP Client, DHCP Snooping, DHCP Option82  CPU Monitoring  Port Mirroring Time Settin SNTP  Integrated NDP/NTDP feature  Firmware Upgrade: TFTP & Web  System Diagnose: VCT SYSLOG & Public MIBS  Dual Image CertificationsCE, FCC, RoHS SecurityIP-MAC-Port-VID Binding  IEEE 802.1X Port/MAC Based authentication, Radius,Guest VLAN  DoS Defence Dynamic ARP inspection (DAI)  SSH v1/v2  SSL v2/v3/TLSv1  Port Security Broadcast/Multicast/Unknown-unicast Storm Contro System Requirements System RequirementsMicrosoft Windows 98SE, NT, 2000, XP, Vista or Windows 7/8, MAC OS, NetWare, UNIX or Linux Electrical AC Voltage Range100 to 240 V AC Electrical Frequency50 to 60 Hz Environmental Operating Temperature0 to 40C Operating Humidity10 to 90 Physical Form FactorNetwork Switch Case ColourBlack In The BoxSwitch; Power Cord; Quick Installation Guide; Resource CD; Rackmount Kit; Rubber Feet Width44.0 cm Depth33.0 cm Height4.4 cm Key Features PoE SupportedNo Main ColourBlack Switch TypeManaged Switch Form FactorDesktop LAN Port(s) Speed10/100/1000 Number of LAN Port(s)24