• Model:LGS528P
• Total System Ports:28GE
• Copper FE/GE Ports (RJ45):g01–g13, g14–g26
• Combo Ports (RJ45 + SFP):2 combo on ports g27, g28
• 10Gb Ports (SFP+):NA
• Status LEDs:System (blue/yellow), Link/Act/PoE (green/green), Max PoE (amber)
• CPU Memory DRAM:128 MB
• Power Input:100–240V
• 50-60 Hz
• (3.5A max)
• Power Dedicated to PoE+:192W
• Number of Ports with PoE+ Support:24
• Green Power Mode:EEE+, Short Reach + Energy Detect
• System Power Consumption without PoE+:110V: 30.73W 
• 220V: 28.88W
• Forwarding Rate:41.67 Mpps
• Switching Capacity:56 Gbps
• MAC Address:16K
• Jumbo Frame (FE, GE):9K
• Fans:Yes (two 8,200rmp)
• Enclosure Dimension
• (W x D x H):440 x 200 x 44.45 mm
• (17.32 x 7.87 x 1.75 in. )
• Device Weight:3.12 kg (6.88 Ibs. )
• Operating Temperature:0 to 50°C (32 to 122°F)
• Operating Humidity:10 to 90% RH
• Storage Temperature:-20 to 70°C (-4 to 158°F)
• Storage Humidity:10 to 90% RH (non-condensing)

• Standards:IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3z, IEEE 802.3x, IEEE 802.3ad, IEEE 802.3az, IEEE 802.1D, IEEE 802.1w, IEEE802.1Q/p, IEEE802.1X
• Spanning Tree:IEEE 802.1d Spanning Tree, IEEE 802.1w Rapid Spanning Tree
• Link Aggregation:IEEE 802.3ad LACP, up to 4 groups with up to 8 ports per group
• VLAN:Port-based and IEEE 802.1Q tag-based VLANs
• Number of VLANs:1,024 active VLANs (4,096 range)
• Auto Voice VLAN:VLAN voice traffic is automatically assigned by OUI to a voice-specific VLAN and treated with appropriate levels
• IGMP SnoopingIGMP (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 groups
• Head-of-Line (HOL) Blocking:Head-of-line (HOL) blocking prevention
• Security:Security 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 control
• Storm Control:Broadcast, unknown-unicast, and multicast
• QoS – Priority Levels:4 hardware queues
• QoS – Class of Service:Port-based, IEEE 802.1p priority-based, IPv4/v6 IP DSCP-based
• QoS – Scheduling:Priority queuing and weighted round robin (WRR)
• ACL: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 ACL
• RMON:Embedded remote monitoring (RMON) software agent support for enhanced traffic management, monitoring, and analysis
• Port Mirroring:Traffic on multiple ports can be mirrored to another port for analysis with a network analyzer
• Management Interface:Built-in Web UI for easy browser-based configuration (HTTP/HTTPS)
• Other Management:Telnet (menu-driven), DHCP client, system log, configuration unload and backup via HTTP or TFTP, PING, dual images, SNTP
• SNMP:SNMP version 1 and 2c

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