General

Standards

• IEEE 802.3 10BASE-T Ethernet (twisted-pair copper)
• IEEE 802.3u 100BASE-TX Fast Ethernet (twisted-pair copper)
• ANSI/IEEE 802.3 NWay auto-negotiation
• IEEE 802.3x Flow Control
• IEEE 802.3z 1000BASE-X(fiber-optic)
• IEEE 802.3ab 1000BASE-T Gigabit Ethernet (twisted-pair copper)

Number of Ports

• 24 10/100 Mbps ports 
• 2 Combo 10/100/1000 BASE-T/SFP

Data Transfer Rates

• Ethernet
  • 10Mbps (half-duplex)
  • 20Mbps (full-duplex
• Fast Ethernet
  • 100Mbps (half-duplex)
  • 200Mbps (full-duplex)
  • Gigabit Ethernet:
  • 2000Mbps (full duplex)

Functionality

Switching Capacity

• 8.8 Gbps

Network Cables

• 10BASE-T:
  • UTP CAT 3/4/5/5e (100 m max.)
  • EIA/TIA-586 100-ohm STP (100 m max)
• 100BASE-TX, 1000BASE-T
  • UTP CAT 5/5e (100 m max.)
  • EIA/TIA-568 100-ohm STP (100 m max)
• 1000BASE-X(fiber-optic)
  • Single-mode and multi-mode fiber

Media Interface Exchange

• Auto MDI/MDI-X for each port

Transmission Method

• Store-and-forward

MAC Address Table

• 8K entries per device

MAC Address Learning

• Automatic update

Packet Filtering /Forwarding Rates

• 10BASE-T: 14,880 pps per port (half-duplex)
• 100BASE-TX: 148,800 pps per port (half-duplex)
• Gigabit Ethernet: 1,488,800 pps per port

RAM Buffer

• 512K Bytes

Status/Diagnostic LEDs

• Per device:
  • Power
• Per port:
  • Link/Activity
  • 100Mbps speed (10/100Mbps ports)
  • 100Mbps, 1000Mbps speeds (10/100/1000 Mbps)

Physical

Dimensions

• 17.32 x 5.51 x 1.73 inches (440 x 140 x 44 mm) 
• 19-inch rack-mount width, 1U height

Weight

• 4.1 lbs (1.836 kg)

Power Input

• 100 to 240 VAC Internal Universal Power Supply

Power Consumption

• Standby: 3.25 W 
• Maximum: 6.6 W

Heat Dissipation

• Power on: AC Input 11.1 BTU/h 
• Max: AC Input 22.8 BTU/h

MTBF

• 652,038 hours

Temperature

• Operating: 32 to 104 °F (0 to 40 °C) 
• Storage: 14 to 158 °F (-10 to 70 °C)

Humidity

• Operating: 10% to 90% 
• Storage: 5% to 90%

Certifications

• BSMI
• CCC Class A
• FCC Class A
• CE Class A

Ordering Information

• DES-1026G   24-port 10/100Mbps Switch With 2 Gigabit Copper/SFP ports

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