HARDWARE FEATURES
Standards and Protocols	IEEE 802.3i, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3z, IEEE 802.3ad, IEEE 802.3x, IEEE 802.1d, IEEE 802.1s, IEEE 802.1w, IEEE 802.1q, IEEE 802.1p
Interface	24 10/100Mbps RJ45 Ports (Auto Negotiation/Auto MDI/MDIX) 4 10/100/1000Mbps RJ45 Ports (Auto Negotiation/Auto MDI/MDIX) 2 Combo Gigabit SFP Slots
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) 1000BASE-X: MMF, SMF
Fan Quantity	2
Power Supply	100~240VAC, 50/60Hz
Power Consumption	Maximum(PoE on): 222.15W (220V/50Hz)
PoE+ Ports(RJ45)	Standard: 802.3at/af compliant PoE+ Ports: 24 Ports Power Supply: 180W
Dimensions ( W x D x H )	17.3*8.7*1.7 in.(440*220*44 mm)

PERFORMANCE
Bandwidth/Backplane	12.8Gbps
Packet Forwarding Rate	9.5Mpps
MAC Address Table	8k
Jumbo Frame	9216 Bytes

SOFTWARE FEATURES
Quality of Service	Support 802.1p CoS/DSCP priority Support 4 priority queues Queue scheduling: SP, WRR, SP+WRR Port/Flow-based Rate Limiting Voice VLAN
L2 Features	IGMP Snooping V1/V2/V3 802.3ad LACP (Up to 6 aggregation groups, containing 4 ports per group) Spanning Tree STP/RSTP/MSTP LLDP, LLDP-MED BPDU Filtering/Guard TC/Root Protect Loop back detection 802.3x Flow Control
VLAN	Supports up to 512 VLANs simultaneously (out of 4K VLAN IDs)
Access Control List	L2～L4 package filtering based on source and destination MAC address, IP address, TCP/UDP ports
Security	SSH v1/v2 SSL v2/v3/TLSv1 Port Security Broadcast/Multicast/Unknown-unicast Storm Control
Management	Web-based GUI and CLI management SNMP v1/v2c/v3, compatible with public MIBs and TP-LINK private MIBs RMON (1, 2, 3, 9 groups) CPU Monitoring Port Mirroring Time Setting: SNTP Firmware Upgrade: TFTP & Web System Diagnose: VCT SYSLOG & Public MIBS

OTHERS
Certification	CE, FCC, RoHS
Package Contents	T1500-28PCT Power Cord Installation Guide Resource CD Rackmount Kit Rubber Feet
System Requirements	Microsoft® Windows® XP, Vista™ Windows 7 or Windows 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-condensing Storage Humidity: 5%~90% non-condensing