& Functions
IEEE 802.3 10BASE-T Ethernet (twisted-pair copper)
IEEE 802.3u 100BASE-TX Fast Ethernet (twisted-pair copper)
IEEE 802.3ab 1000BASE-T Gigabit Ethernet (twisted- pair copper)
IEEE 802.3z Gigabit Ethernet (fiber) ANSI/IEEE 802.3
IEEE 802.3x Flow Control
Number of Ports
DES-1210-28: 24 10/100Mbps, 2 10/100/1000BASE-T, 2 combo 10/100/1000BASE-T/SFP
DES-1210-52: 48 10/100Mbps, 2 10/100/1000BASE-T, 2 combo 10/100/1000BASE-T/SFP
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 10/100Mbps speeds
Full duplex for Gigabit speed
Media Interface Exchange
Auto MDI/MDIX adjustment for all twisted-pair ports
Switching Capacity
DES-1210-28: 12.8Gbps
DES-1210-52: 17.6Gbps
Transmission Method
MAC Address Table
Up to 256 static MAC entries
Enable/disable auto-learning of MAC addresses
Maximum 64 bytes packet forwarding rate
DES-1210-28: 9.5 Mpps
DES-1210-52: 3.1 Mpps
RAM Buffer
DES-1210-28: 512KB per device
DES-1210-52: 1MB per device
Physical & Environmental
AC Input
100 to 240 VAC 50/60Hz internal universal power supply
Maximum Power Consumption
DES-1210-28: 17.6W
DES-1210-52: 28.9W
Standby Power Consumption
DES-1210-28: 7.6W/110V, 7.9W/240V
DES-1210-52: 13.2W/110V, 13.3W/240V
Fan Quantity
DES-1210-28: 0
DES-1210-52: 0
DES-1210-28: 0dBA
DES-1210-52: 0dBA
Heat Dissipation
DES-1210-28: 60.05 BTU/hr
DES-1210-52: 98.61 BTU/hr
Operating Temperature
0? to 40? C
Storage Temperature
-10? to 70? C
Operating Humidity
10% to 95% non-condensing
Storage Humidity
5% to 95% non-condensing
DES-1210-28: 440 mm x 210 mm x 44mm
DES-1210-52: 441 mm x 250 mm x 44 mm
19-inch standard rack mounting width, 1U height
DES-1210-28: 2.6 kg
DES-1210-52: 3.3 kg
DES-1210-28: 419,467hrs
DES-1210-52: 289,012hrs