Technical Specifications
DES-105
DES-108
Switching Fabric
• 1.0 Gbps
• 1.6 Gbps
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 802.1p QoS
• IEEE 802.3az Energy-Efficient Ethernet (EEE)
Protocol
• CSMA/CD
Data Transfer Rates
• Ethernet:
- 10 Mbps (half duplex)
- 20 Mbps (full duplex)
• Fast Ethernet:
- 100 Mbps (half duplex)
- 200 Mbps (full duplex)
Topology
• Star
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.)
Media Interface Exchange
• Auto MDI/MDIX adjustment for all ports
LED Indicators
• Per port: Link/Activity
• Per device: Power
Transmission Method
• Store-and-forward
MAC Address Table
• 2K
• 1K
MAC Address Learning
• Automatic update
Packet Filtering/Forwarding Rates
• Ethernet: 14,880 pps per port
• Fast Ethernet: 148,800 pps per port
RAM Buffer
• 384 KBytes per device
• 768 KBytes per device
Jumbo Frames
• 2047 Bytes
• 1536 Bytes
QoS
• 2 Queues, strict mode
• 2 Queues, WRR mode
DES-105 / DES-108
5/8 Port Fast Ethernet Switches
