Network Standards: IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3z, IEEE 802.3ae, IEEE 802.3x, IEEE 802.3ad, IEEE 802.3az, IEEE 802.1D, IEEE 802.1w, IEEE802.1Q/p, IEEE802.1XNumber of Ports with PoE+ Support: 24Memory: 128 MBLEDs: System (blue/yellow), Link/Act/PoE (green/green), Max PoE (amber)System Power Consumption without PoE+: 110V: 30.73W, 220V: 28.88WForwarding Rate: 41.67 MppsSwitching Capacity: 56 GbpsMAC Address Table Size: 16KJumbo Frame (FE, GE): 9KFans: Yes (two 8,200 rpm)Power Dedicated to PoE+: 192WPower Input: 100–240V, 50–60 Hz, (3.5A max)Operating Temperature: 0 to 50°C (32 to 122°F)Storage Temperature: -20 to 70°C (-4 to 158°F)Operating Humidity: 10 to 90% RHStorage Humidity: 10 to 90% RH (non-condensing)Spanning Tree: IEEE 802.1d Spanning Tree, IEEE 802.1w Rapid Spanning TreeLink Aggregation: IEEE 802.3ad LACP, up to 4 groups with up to 8 ports per groupVLAN: Port-based and IEEE 802.1Q tag-based VLANsAuto Voice VLAN: VLAN voice traffic is automatically assigned by OUI to a voice-specific VLAN and treated with appropriate levelsIGMP Snooping: IGMP (v1/v2/v3) snooping provides for fast client joins and leaves of multicast streams and limits bandwidth-intensive video traffic to only the requesters; supports 256 multicast groupsHOL Blocking Prevention: Head-of-line (HOL) blocking preventionPort Mirroring: Traffic on multiple ports can be mirrored to another port for analysis with a network analyzerSecurity Features: IEEE 802.1X radius authentication, DHCP snooping, IP-MAC-Port binding, IP source guard, ARP inspection, STP root guard, STP BPDU guard, DHCP relay, Port security supports limited dynamic lock and locked MAC address, Management access controlStorm Control: Broadcast, unknown-unicast, and multicastAccess Control: Support up to 512 rules for enhanced security and/or advanced QoS policy: allow, deny, or rate limit based on Layer1 to 4 protocol fields at packet header level with MAC ACL and IP ACLRMON: Embedded remote monitoring (RMON) software agent support for enhanced traffic management, monitoring, and analysisManagement Interface: HTTP, HTTPSOther Management: Telnet (menu-driven), DHCP client, system log, configuration unload and backup via HTTP or TFTP, PING, dual images, SNTPSNMP: Version 1, Version 2cQoS - Class of Service: Port-based, IEEE 802.1p priority-based, IPv4/v6 IP DSCP-basedCombo Ports (RJ45 + SFP): 2 combo on ports g27, g28Copper FE/GE Ports (RJ45): g01–g13, g14–g26Green Power Mode: EEE+, Short Reach + Energy DetectQoS - Priority Levels: 4 hardware queuesQoS - Scheduling: Priority queuing and weighted round robin (WRR)Total System Ports: 28GE