DES-1024DEOL EOS

24-Port 10/100Mbps Switch for Workgroup
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Tanımlama

24 Auto-sensing 10/100Mbps Ports
The switch comes with 24 10/100Mbps ports, allowing a small workgroup to flexibly integrate to Ethernet and Fast Ethernet. These intelligent ports detect the network speed and auto-negotiate between 100BASE-TX and 10BASE-T, as well as between full and half-duplex.

Flow Control for Secure Transmission
All ports support flow control. This function minimizes dropped packets by sending out collision signals when the port's receiving buffer is full. 

Auto-negotiation of MDI/MDIX Cross Over    
All ports support auto-negotiation of MDI/MDIX cross over. This eliminates the need for cross over cables or uplink ports. Any port can simply plug to a server, a hub or a switch, using the usual straight-through twisted-pair cable.

Plug-and-Play
With 24 plug-and-play ports, the switch is a perfect choice for workgroups to upgrade performance in a client/server environment.  The ports can be connected to servers in full-duplex, or hubs in half-duplex.

Direct Connection to Workstations
With low-cost connection per-port, the switch can be set up for direct connection from the PCs. This relieves data bottleneck by giving each workstation a dedicated bandwidth on the network. 

Genel Özellikler

 Standards
- IEEE 802.3 10BASE-T Ethernet
- IEEE 802.3u 100BASE-TX Fast Ethernet
- ANSI/IEEE 802.3 NWay auto-negotiation

Protocol
CSMA/CD
    
Data Transfer Rates
- Ethernet:
   10Mbps (half-duplex)
   20Mbps (full-duplex)
- Fast Ethernet:
   100Mbps (half-duplex)
   200Mbps (full-duplex)
    
Topology
Star
    
Network Cables
- 10BASE-T:
  UTP Cat. 3, 4, 5 (100 m)
  EIA/TIA-568 100-ohm STP (100 m)
- 100BASE-TX:
  UTP Cat. 5 (100 m)
  EIA/TIA-568B 100-ohm STP (100 m)
  
Number of Ports
10/100Mbps port x 24

Media Interface Exchange
Auto MDI-II/MDI-X for each port

Twisted-pair Rx Reverse Polarity
Auto-correction for each port

Diagnostic LEDs
Per device:
- Power
Per port:
- Link/Activity
- 100Mbps speed
    
Transmission Method
Store-and-forward
    
Filtering Address Table
8K entries per device

MAC Address Learning
Automatic update
    
Packet Filtering Rates
- 10BASE-T: 14,880 pps per port (half-duplex)
- 100BASE-TX: 148,810 pps per port (half-duplex)
    
Packet Forwarding Rates
- 10BASE-T: 14,880 pps per port (half-duplex)
- 100BASE-TX: 148,810 pps per port (half-duplex)
    
RAM Buffer
2.5MBits per device

 


Fiziksel Özellikler

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DES-1024D/A
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