The T1500-28PCT provides 24 10/100 Mbps ports that supports 802.3at/af-compliant Po E, with a total Po E power supply up to 180W, powerful & flexible enough for users to deploy wireless access points or IP-based network surveillance cameras. The switch also comes equipped with 4 10/100/1000 Mbps RJ45 ports & 2 combo SFP slots, expanding your network flexibly. In addition, it provides high performance, enterprise-level Qo S, useful security strategies & rich layer 2 management features. TP-LINK Smart Po E Switch T1500-28PCT is a cost-effective product solution for the small & medium business. T1500-28PCT has useful security features. The Storm Control feature protects against Broadcast, Multicast & Unknown unicast Storm. Quality of Service (Qo S, L2 to L4) provides enhanced traffic management capabilities to move your data smoother & faster. Anymore, the easy-to-use web management interfaces, along with SNMP & RMON, mean faster setup & configuration with less downtime. For workgroup & departments requiring cost-sensitive layer 2 switch, TP-LINK smart Po E switch T1500-28PCT provides you the ideal access-edge solution. Abundant Layer 2 features For more application of layer 2 switches, T1500-28PCT supports a complete lineup of layer 2 features, including 802.1Q tag VLAN, Port Isolation, Port Mirroring, STP/RSTP/MSTP, Link Aggregation Group & 802.3x Flow Control function. Any more, the switches provide advanced features for network maintenance such as Loop Back Detection, Cable Diagnostics & IGMP Snooping. IGMP snooping ensures the switch intelligently forward the multicast stream only to the appropriate subscribers while IGMP throttling &filtering restrict each subscriber on a port level to prevent unauthorized multicast access. Enterprise Level management features T1500-28PCT is easy to use & manage. It supports various user-friendly standard management features, such as intuitive web-based Graphical User Interface (GUI) or SNMP (v 1/2/3) & RMON support enables the switch to be polled for valuable status information & send traps on abnormal events. Advanced Qo S features To integrate voice, data & video service on one network, the switch applies rich Qo S policies. Administrator can designate the priority of the traffic based on a variety of means including Port Priority, 802.1P Priority & DSCP Priority, to ensure that voice & video are always clear, smooth & jitter free. In conjunction with the Voice VLAN the switch supports, the voice applications will operate with much smoother performance.