Freedom9 2420 Switch User Manual


 
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
Filtering/Forwarding Rate
10Mbps Ethernet: 14,880 pps
100Mbps Fast Ethernet: 148,800 pps
1000Mbps Gigabit Ethernet: 1,488,000 pps
MAC Address Learning Automatic update
RAM Buffer 256 kilobytes per device