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Datasheets
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Manuals
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Quick Installation Guides
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Firmware
Warning: Please do NOT upgrade firmware through wireless unless the device only has wireless connection. Doing so may damage the unit.
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Firmware
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19/11/2009
Software
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Additional Downloads
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Protocol
CSMA/CD
Data Transfer Rates
  • Ethernet:
10Mbps (half duplex)
20Mbps (full duplex)
  • Fast Ethernet:
100Mbps (half duplex)
200Mbps (full duplex)
  • Gigabit Ethernet:
2000Mbps (full duplex)
Basic Configuration
  • 24 auto-sensing 10/100Mbps ports (built-in)
  • 1 open slot
Switch Fabric
  • 8.8 Gbps
  • Power (per device)
  • Console (per device)
  • 10/100Mbps speed (per port)
  • Link/Act (per port)
Built-in Ports Supported Functions
  • IEEE 802.3 10BASE-T/802.3u 100BASE-TX standards
  • Full/half duplex support with ANSI/IEEE 802.3 NWay auto-negotiation
  • IEEE 802.3x Flow Control in full-duplex, back pressure in half-duplex
  • MDI/MDIX auto-sensing for all twisted-pair ports
  • Auto-correction of twisted-pair Rx reverse polarity
  • 10BASE-T cables:
  • UTP Cat. 3, 4, 5 (100 m max.)
  • 100BASE-TX cables:
  • UTP Cat. 5 (100 m max.)
DES-332GS Stack + GBIC Module
  • 1 stacking port
  • 1 GBIC slot (IEEE 802.3z/802.3ab standards)
  • Stackable units: 8 switches per stack
  • Stacking method: ring
  • Full duplex support for GBIC slot
  • IEEE 802.3x Flow Control (GBIC slot)
  • Stacking cable: proprietary IEEE 1394 cable (provided)
  • Network cables (GBIC slot): single-mode and multi-mode fiber
  • LED report (per port): Link/Act (GBIC slot)
DES-132 10/100Mbps Fast Ethernet Module
  • IEEE 802.3 10BASE-T/802.3u 100BASE-TX standards
  • 2 10/100Mbps ports
  • IEEE 802.3x Flow Control in full-duplex, back pressure in half-duplex
  • Auto MDI/MDIX for each port
DES-131F/132F Fast Ethernet Fiber Module
  • IEEE 802.3u 100BASE-FX standard
  • 1/2 100Mbps fiber port(s) (SC connectors)
  • Full duplex support
  • IEEE 802.3x Flow Control
  • Cables: 50, 62.5/125-micron multi-mode fiber (2 km max.)
  • LED report (per port): Link/Act
DES-131FL/132FL Fast Ethernet Fiber Module
  • IEEE 802.3u 100BASE-FX standard
  • 1/2 100Mbps fiber port(s) (SC connectors)
  • Full duplex support
  • IEEE 802.3x Flow Control
  • Cables: 9-micron single-mode fiber (15 km max.)
  • LED report (per port): Link/Act
DES-132G Gigabit Fiber Module
  • IEEE 802.3z 1000BASE-SX standard
  • 2 Gigabit fiber ports (SC connectors)
  • Full duplex support
  • IEEE 802.3x Flow Control
  • Cables: 50/125 micron multi-mode fiber (525 m max.), 62.5/125 micron
  • multi-mode fiber (275 m max.)
  • LED report (per port): Link/Act
DES-132GL Gigabit Fiber Module
  • IEEE 802.3z 1000BASE-LX standard
  • 2 Gigabit fiber ports (SC connectors)
  • Full duplex support
  • IEEE 802.3x Flow Control
  • Cables: single-mode fiber (5 km max.)
  • LED report (per port): Link/Act
DES-132T Gigabit Copper Module
  • IEEE 802.3 10BASE-T/802.3u 100BASE-TX/IEEE 802.3ab 1000BASE-T
  • standards
  • 2 auto-sensing 10/100/1000Mbps ports
  • Full/half duplex support with ANSI/IEEE 802.3 NWay auto-negotiation
  • IEEE 802.3x Flow Control in full-duplex, back pressure in half-duplex
  • 10BASE-T/100BASE-TX: full/half duplex
  • 1000BASE-T: full duplex
  • MDI/MDIX auto-sensing for all twisted-pair ports
  • Auto-correction of twisted-pair Rx reverse polarity
  • 10BASE-T cables:
  • UTP Cat. 3, 4, 5 (100 m max.)
  • 100BASE-TX/1000BASE-T cables:
  • UTP Cat. 5/Cat. 5e (100 m max.)
  • LED report (per port):
  • 100/1000Mbps speed
  • Link/Act
DES-132GB GBIC Module
  • IEEE 802.3z/ab standards
  • 2 GBIC slots for installation of Gigabit transceivers
  • Full duplex support
  • IEEE 802.3x Flow Control
  • Cables: single-mode and multi-mode fiber, twisted-pair cable
  • LED report (per port): Link/Act
IP Routing
  • IP v4 support
  • IP multi-netting
  • Path MTU discovery
  • IP Fragmentation support
  • Routing protocols supported:
Static routing
RIP-1, RIP-2
OSPF v.2
VLAN
  • IEEE 802.1Q Tagged VLAN
  • Port-based VLAN
  • Number of VLANs: 255 per device (max.)
Spanning Tree
  • 802.1D Spanning Tree
  • 802.1w Rapid Spanning Tree
Multicast
  • IGMP v2
  • IGMP Snooping
  • DVMRP
  • PIM-DM
Priority Queues (CoS)
  • Standard: IEEE 802.1p
  • Number of queues: 4
Traffic Classification (CoS)
Can be based on user-definable application types:
  • TOS
  • Diffserv (DSCP)
  • Port-based
  • MAC address
  • IP address
  • TCP/UCP port number
Access Control Security
Port security

802.1x user authentication

RADIUS client

  • Multi-layer ACL (Access Control List) based on:
TOS
Diffserv (DSCP)
MAC address
IP address
User-definable applications