D-Link 4Port Gigabit PoE Switch

Features:
High-Speed Networking:
Eight 10/100/1000 Mbps Gigabit Ethernet ports
Full/Half-duplex for Ethernet/Fast Ethernet/Gigabit Ethernet speeds

Reliability:
IEEE 802.3x flow control
Store-and-forward switching scheme
RoHs compliant

Easy Setup:
Plug-and-Play installation
Auto MDI/MDI-X crossover for all ports
Ports located conveniently at the rear
Noise-free operation

Technical Specifications:
General:
Standards:
IEEE 802.3 10BASE-T Ethernet (twisted-pair copper)
ANSI/IEEE 802.3 NWay auto-negotiation
IEEE 802.3x flow control
IEEE 802.3u 100BASE-TX Fast Ethernet (twisted-pair copper)

Switching Capacity: 16 Gbps switching fabric
Media Interface Exchange: Auto MDI/MDI-X adjustment for all ports

Data Transfer Rates:
Ethernet:
10 Mbps (half duplex)
20 Mbps (full duplex)
Fast Ethernet:
100 Mbps (half duplex)
200 Mbps (full duplex)
Gigabit Ethernet:

Network Cables:
10BASE-T:
UTP CAT 3/4/5/5e (100 m max.)
EIA/TIA-586 100-ohm STP (100 m max.)
100BASE-TX:
UTP CAT 5/5e (100 m max.)
EIA/TIA-568 100-ohm STP (100 m max.)
1000BASE-T:
UTP CAT 5/5e (100 m max.)
EIA/TIA-568 100-ohm STP (100 m max.)

LED Indicators:
Per unit: Power/ PoE Max
Per port: Activity/ Link and Speed
Per port: Power/ Status

Transmission Method: Store-and-forward
MAC Address Table: 8K entries per device

Packet Filtering / Forwarding Rates:
Ethernet: 14,880 pps per port
Fast Ethernet: 148,800 pps per port
Gigabit Ethernet: 1,488,000 pps per port

RAM Buffer: 256 KB per device
PoE Capable Ports: 802.3af/802.3at PoE up to 30 Watt per port (ports 1-4 only)
PoE Power Budget: 68 W

Physical:
Dimensions: 5.5" x 3.0" x 1.06" (190 x 120 x 38 mm)
DC Input: External 53.5 V / 1.5 A power adapter