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Ürün Özellikleri:
10/1OOMbps Switches With Gigabit Options
EOL
Genel Özellikler:

Standards
- IEEE 802.3 10BASE- T Ethernet twisted-pair copper)
- IEEE 802.3u 100BASE-TX Fast Ethernet (twisted-pair copper)
- IEEE 802.3z 1000BASE-SX Gigabit Ethernet (fiber)
- IEEE 802.3ab 1000BASE- T Gigabit Ethernet (twisted-pair copper)
- ANSI/IEEE Std 802.3 NWay auto-negotiation
- IEEE 802.3x full-duplex flow control
- IEEE 802.1p Priority Queue
- Port-based VLAN

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:
 2-pair UTP Cat. 3,4,5 (100m)
 EIA/TIA-586 100-ohm STP (100m)
- 100BASE-TX:
 UTP Cat. 5 (l00m max.)
 EIA/TIA-568 100-ohm STP (100m max.)
- 1000BASE-T:
 UTP Cat. 5 or Cat. 5e (100m max.)
 EIA/TIA-568 100-ohm STP (l00m max.)
- 1000BASE-SX:
 62.5/125um multimode fiber-optics (275m max.)
 50/125um multimode fiber-optics (550m max.)
- 1000BASE-LX:
 62.5/125um multimode fiber-optics (550m max.)
 50/125um multimode fiber-optics (550m max.)
 9um single-mode fiber-optics (5km max.)
- Long Haul:
 Single-mode fiber-optics (70km max.)

 Full/half Duplex
- Full/half duplex for 10/100Mbps ports
- Full duplex only for 1000Mbps ports

Flow Control
- IEEE 802.3x compliant flow control for full duplex
- Back pressure flow control for half duplex

Media Interface Exchange
MDI-X switch button for 1 10/100Mbps port

Twisted-pair Rx Reverse Polarity
-Auto-correction

LED Indicators
- Per 10/100Mbps port: 100Mbps speed, Link/Act
- Per Gigabit port: Link, Act
- Per device: Power

Transmission Method
Store-and-forward

Filtering Address Table
17K entries per device

MAC Address Learning
- Automatic update
- Max Age: user-configurable (1 - 5 minutes)

Packet Filtering/Forwarding Rates (half duplex)
- Ethernet: 14,880 pps per port
- Fast Ethernet: 148,810 pps per port
- Gigabit Ethernet: 1,488, 100 pps per port

Priority Queue
- 802.1p support
- 4 priority queues

RAM Buffer
- 2MB per 8 10/100Mbps ports
- 2MB per 1000Mbps port

Number of Ports per Trunk

- Up to 4 10/100Mbps ports (800Mbps at full duplex)
- Up to 2 1000Mbps ports (4000Mbps at full duplex)

Console Port
RS-232 DB-9


Fiziksel Özellikler

AC Input
100 -240 VAC, 50/60 Hz
Internal universal power supply

Power Consumption
- DES-1218: 21 watts (max.)
- DES-1226: 26 watts (max.)

Ventilation
40 x 40mm DC fan x 2

Operating Temperature
0° - 50° C (32° - 122° F)

Storag Temperature
- 25° - 55° C (-13° - 131° F)

Humidity
5% - 95% non-condensing

Dimensions
441 x 207 x 44mm (17.36 x 8.15 x 1.73 inches)
19-inch rack-mount width, 1 U height

Weight
- DES-1218: 2.6 kg (5.73 lb.)
- DES-1226: 2.7 kg (5.95 Ib.)

Emission (EMI)

- FCC Class A
- CE Class A
- C-Tick
- VCCI Class A
- BSMI Class A

Safety

- UL/CUL (UL1950/CSA950)
- TUV/GS (En60950)

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