The D-Link DGS-1210-28P is a 28-port Web Smart Switch with 24 PoE-enabled Gigabit Ethernet ports (4 of which support 802.3at/PoE+, and 20 support 802.3af/PoE) and 4 Gigabit SFP uplink ports. Key features include a 56 Gbps switching capacity, 185W total PoE budget, support for L2 features like STP/RSTP and 802.3ad Link Aggregation, VLANs, and D-Link Green 3.0 technology for energy efficiency.

Key Specifications:

• Ports: 24 x 10/100/1000Base-T (PoE) + 4 x Gigabit SFP
• PoE Standards: IEEE 802.3af (15.4W per port) and IEEE 802.3at (30W per port) on the first four ports
• PoE Budget: 185W total
• Switching Capacity: 56 Gbps
• Max Packet Forwarding Rate: 41.7 Mpps
• MAC Address Table: 16,000 entries
• Form Factor: Desktop/Rackmountable (1U height)

Layer 2 Features:

• VLAN: 802.1Q, Max 256 static VLAN groups, 4094 VIDs
• Spanning Tree: 802.1D (STP), 802.1w (RSTP), 802.1s (MSTP)
• Link Aggregation: 802.3ad
• Multicast: IGMP Snooping (v1/v2), 256 IGMP groups, IGMP per VLAN
• Flow Control: 802.3x Flow Control, HOL Blocking Prevention

Management & Efficiency:

• Management: Web interface, SmartConsole Utility, Telnet, SNMP
• Energy Efficiency: D-Link Green 3.0, IEEE 802.3az Energy Efficient Ethernet

Environmental & Physical:

• Operating Temperature: -5° to 50° C (23° to 122° F)
• Dimensions: 440 x 250 x 44 mm (17.32 x 9.84 x 1.73 in)
• Weight: 3.7 kg (8.15 lbs)

Compatible Transceivers

The DGS-1210-28P is compatible with Gigabit (1000BASE-X) SFP transceivers for its four Gigabit SFP combo ports, allowing for flexible high-speed fiber or copper uplinks.