Tp-Link T2700G-28TQ JetStream 28-Port Gigabit Stackable L2+ Managed Switch 

HARDWARE FEATURES
Standards and Protocols	IEEE 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
Interface	24 10/100/1000Mbps RJ45 Ports(Auto Negotiation/Auto MDI/MDIX)4 combo gigabit SFP SlotsUp to 4 10G SFP+ Slots (2 fixed and 2 optional 10G SFP+ Slots)1 Console Port
Network Media	10BASE-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, SMF1000BASE-X: MMF, SMF10GBASE-LR10GBASE-SR
Fan Quantity	4
Power Supply	100~240VAC, 50/60Hz
Dimensions ( W x D x H )	17.32*13*1.73 in.(440*330*44 mm)

PHYSICAL STACKING
Installable SFP+ Transceivers and Direct Attach Copper (DAC) Cables	TXM431-SRTXM431-LRTXC432-CU1MTXC432-CU3M
Max Number of Stacking Ports Installable	2 SFP+
No. of Units Per Stack	8
Stacking Speed (Per Port)	20 Gbps (Full-Duplex)

PERFORMANCE
Switching Capacity	Up to 128Gbps for a standalone switch
Bandwidth/Backplane	Up to 320Gbps when 8 units in the stack
Packet Forwarding Rate	Up to 95.2Mpps for a standalone switch
MAC Address Table	32K
Packet Buffer Memory	16 Mbits
Jumbo Frame	10240 Bytes
Number of Routes	12K
Number of Static Routes	256
Number of IP Interfaces	128

SOFTWARE FEATURES
Basic L3 Features	Wire-speed IP forwardingStatic RoutingRIP v1, v2DHCP Server/Relay
Advanced L3 Features (License Required)	OSPF v2ECMPPIM-SM/PIM-DM/IGMPARP ProxyVRRP
Quality of Service	Support 802.1p CoS/DSCP prioritySupport 8 priority queuesQueue scheduling: SP, WRR, SP+WRRPort/Flow- based Rate LimitingVoice VLAN
L2 Features	IGMP Snooping V1/V2/V3802.3ad LACP (Up to 32 aggregation groups, containing 8 ports per group)Spanning Tree STP/RSTP/MSTPBPDU Filtering/GuardTC/Root ProtectLoop back detection802.3x Flow Control
VLAN	Supports up to 4K VLANs simultaneously (out of 4K VLAN IDs)IEEE 802.1Q VLAN/MAC VLAN/Protocol VLAN/QinQ/Private VLAN/GVRP
Access Control List	L2～L4 package filtering based on source and destination MAC address, IP address, TCP/UDP ports, 802.1p, DSCP, protocol and VLAN IDTime Range Based
Security	IP-MAC-Port-VID BindingIEEE 802.1X Port/MAC Based authentication, Radius,Guest VLANDoS DefenceDynamic ARP inspection (DAI)SSH v1/v2SSL v2/v3/TLSv1Port SecurityBroadcast/Multicast/Unknown-unicast Storm Control
Management	Web-based GUI and CLI managementSNMP v1/v2c/v3,compatible with public MIBs and TP-LINK private MIBsRMON (1, 2, 3, 9 groups)DHCP/BOOTP Client, DHCP Snooping, DHCP Option82CPU MonitoringPort MirroringTime Setting: SNTPIntegrated NDP/NTDP featureFirmware Upgrade: TFTP & WebSystem Diagnose: VCTSYSLOG & Public MIBSDual Image

OTHERS
Certification	CE, FCC, RoHS
Package Contents	Switch; Power Cord; Quick Installation Guide; Resource CD; Rackmount Kit; Rubber Feet
System Requirements	Microsoft® Windows® 98SE, NT, 2000, XP, Vista™ or Windows 7/8, MAC® OS, NetWare®, UNIX® or Linux.
Environment	Operating Temperature: 0℃~40℃ (32℉~104℉)Storage Temperature: -40℃~70℃ (-40℉~158℉)Operating Humidity: 10%~90% non-condensingStorage Humidity: 5%~90% non-condensing