D-LINK Switch 24x1000Mbps + 4xGigabit SFP Menedzselhető Rackes, DGS-1210-28/E Technical Specifications:D-Link DGS-1210 Specificatins DGS-1210-10 DGS-1210-20 DGS -1210-28 DGS-1210-52 General Number of Ports

8 10/100/1000 Mbps

2 SFP

16 10/100/1000 Mbps

4 SFP

24 10/100/1000 Mbps

4 SFP

48 10/100/1000 Mbps

4 SFP

Port Standard & Functions

IEEE 802.3 10BASE-T Ethernet

IEEE 802.3u 100BASE-TX (Fast Ethernet)

IEEE 802.3ab 1000BASE-T (Gigabit Ethernet)

IEEE 802.3x Flow Control for Full-Duplex Mode

Auto-negotiation

Network Cables

UTP Cat. 5, Cat. 5e (100 m max. )

EIA/TIA-568 100-ohm STP (100 m max. )

Full/Half Duplex

Full/half duplex for 10/100 Mbps speeds

Full duplex for Gigabit speed

Media Interface Exchange Auto or configurable MDI/MDIXPerformance Switching Capacity 20 Gbps40 Gbps56 Gbps104 Gbps Transmission Method Store-and-forward MAC Address Table 16,000 entries per device MAC Address Update

Up to 256 static MAC entries

Enable/disable auto-learning of MAC addresses

Maximum 64 bytes packet forwarding rate 14.88 Mpps29.8 Mpps41.7 Mpps77.4 Mpps Packet Buffer Memory 1.5 MB1.5 MB1.5 MB3.0 MBPhysical & Environmental AC Input 100 to 240 VAC 50/60 Hz internal universal power supply Maximum Power Consumption 13.59 W16.09 W22.45 W38.27 W Standy Power Consumption 9.3 W/110 V, 9.4 W/240 V8.59 W/110 V, 8.80 W/240 V17.65 W/110 V, 17.84 W/240 V29.44 W/110 V, 29.49 W/240 V Fan Quantity 000Two smart fans Acoustics 0 dB(A)0 dB(A)0 dB(A)Low speed: 39.8 dB(A) High speed: 49.2 dB(A) Heat Dissipation 46.37 BTU/hr54.91 BTU/hr76.55 BTU/hr130.58 BTU/hr Operating Temperature 23 to 122 °F (-5 to 50 °C) Storage Temperature -4 to 158 °F (-20 to 70°C)