DES-1026GEOL EOS

24-Port Layer 2 Switch Plus 2 Gigabit Ports
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Apraksts

24 10/100Mbps Ports for Workstation Connection
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.

2 Copper Gigabit Ports for Server Connection
2 copper Gigabit ports provide an inexpensive alternative solution to fiber-optic. Using your existing low-cost Cat. 5 copper twisted-pair wires as the transmission media, these ports allow you to instantly upgrade your servers to Gigabit capability without requiring you to install new, expensive fiber cables. Both ports support 10/100/1000Mbps network speed auto-sensing and full/half duplex auto-negotiation.

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 workstation, a server, a hub or a switch, using the usual straight-through twisted-pair cable.

Plug-and-Play
With 26 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 workstations and servers in full-duplex, or hubs in half-duplex.

Īpašības

Standards
- 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)
- ANSI/IEEE 802.3 NWay auto-negotiation
- IEEE 802.3x Flow Control
   
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)
        
Topology
Star

Network Cables
- 10BASE-T:
  UTP Cat. 3, 4, 5 (100 m max.)
  EIA/TIA-586 100-ohm STP (100 m max.)
- 100BASE-TX, 1000BASE-T:
  UTP Cat. 5, Cat. 5e (100 m max.)
  EIA/TIA-568 100-ohm STP (100 m max.)
   
Number of Ports
- 10/100Mbps port x 24
- 10/100/1000Mbps port x 2

Media Interface Exchange
Auto MDI/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 (10/100Mbps ports)
- 100Mbps, 1000Mbps speeds (10/100/1000Mbps ports) 

Performance
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)
- Gigabit Ethernet: 1,488,100 pps per port

Packet Forwarding Rates
- 10BASE-T: 14,880 pps per port (half-duplex)
- 100BASE-TX: 148,810 pps per port (half-duplex)
- Gigabit Ethernet: 1,488,100 pps per port
   
RAM Buffer
512Kbytes per device


Fiziskie raksturlielumi

Power Supply
- 100  -  240 VAC, 50/60 Hz 0.3A
- Internal universal power supply   

Power Consumption
- 30 watts (max.)

Ventilation
40 x 40 mm DC fan x 2

Operating Temperature
0  - 40  C (32   -  104  F)
    
Storage Temperature
-10   -  70  C (12   -  158  F)
         
Humidity
5%  -  90% RH non-condensing
              
Dimensions
- 440 (W) x 200 (D) x 44 (H) mm (17.3 x 7.8 x 1.73 inches)
- 19-inch rack-mount width, 1 U height

Weight
2.8 kg (6.17 lb.)
    
Emission (EMI)
- FCC Class A
- CE Class A
- VCCI Class A
- C-Tick

Safety
- CUL

Sertifikāti

Informācija pasūtījumam

Ethernet/Fast Ethernet Switch with Gigabit connections
DES-1026G
  24 10/100Mbps ports, 2 10/100/1000Mbps port

Attēli

DES-1026G/C
Вид спереди
Вид сзади

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