7 Technical Specifications

General

Standards

IEEE 802.3 10BASE-T Ethernet

 

IEEE 802.3u 100BASE-TX Fast Ethernet

 

IEEE 802.3ab 1000BASE-T Gigabit Copper Ethernet

 

IEEE 802.3z 1000BASE-X Gigabit Fiber Ethernet

 

IEEE 802.3x Full Duplex Flow Control

Protocol

CSMA/CD

Data Transfer Rate

Ethernet: 10Mbps (half duplex), 20Mbps (full-duplex)

 

Fast Ethernet: 100Mbps (half duplex), 200Mbps (full-duplex)

 

Gigabit Ethernet: 2000Mbps (full-duplex)

Topology

Star

Network Cables

10BASET: 2-pair UTP Cat. 3, 4, 5; up to 100m

 

100BASE-TX: 2-pair UTP Cat. 5; up to 100m

 

1000BASE-T: 4-pair UTP Cat. 5e; up to 100m

 

1000BASE-X: multimode or single-mode fiber; various

 

lengths

Number of Ports

24 × 10/100Mbps Auto-MDIX RJ-45 ports

 

2 x 10/100/1000Mbps Auto-MDIX RJ-45 ports

 

2 x Mini-GBIC ports

Physical and Environmental

 

AC Input

100-240V AC, 50-60 Hz internal universal power Supply

Power Consumption

11 Watts (Max)

Temperature

Operating: 32°F-104°F (0°C-40°C), Storage: 14°F-158°F (-

 

10°C - 70° C)

Humidity

Operating: 10% - 90%, Storage: 5% - 90%

Dimensions (W x D x H)

17.3” x 5.5” x 1.7” (440 x 140 x 44 mm)

EMI

FCC Class A, CE Mark Class A, VCCI Class A

Safety

cUL, CB

 

 

Performance

 

Transmit Method:

Store-and-forward

Filtering Address Table:

8k entries per device

Packet

10Mbps Ethernet: 14,880 pps

Filtering/Forwarding Rate

100Mbps Fast Ethernet: 148,800 pps

 

1000Mbps Gigabit Ethernet: 1,488,000 pps

MAC Address Learning

Automatic update

RAM Buffer

256 kilobytes per device

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Freedom9 2420 user manual Technical Specifications, General, Performance