Ports

• 20 auto-sensing 10/100/1000 ports (IEEE 802.3 Type 10Base-T, IEEE 802.3u Type 100Base-TX, IEEE 802.3ab Type 1000Base-T)
• Media Type: Auto-MDIX
• Duplex: 10Base-T/100Base-TX: half or full; 1000Base-T: full only
• 1 RJ-45 serial console port
• 4 dual-personality ports: Each port can be used as either an RJ-45 10/100/1000 port (IEEE 802.3 Type 10Base-T, IEEE 802.3u Type 100Base-TX, IEEE 802.3ab 1000Base-T Gigabit Ethernet) or an open mini-GBIC slot (for use with mini-GBIC transceivers)

Physical Characteristics

• Dimensions: 12.7(d) x 17.4(w) x 1.7(h) in. (32.26 x 44.2 x 4.32 cm) (1U height)
• Weight: 7.21 lb. (3.27 kg)

Memory and Processor

• MIPS @ 264 MHz
• 16 MB flash
• 64 MB SDRAM
• Packet buffer size: 0.75 MB

Mounting

• Mounts in an EIA-standard 19 in. telco rack or equipment cabinet; horizontal surface mounting only

Performance

• Latency: < 5.6 µs (FIFO 64-byte packets)
• Throughput: up to 35.7 million pps
• Switching capacity: 48 Gbps
• MAC address table size: 8,000 entries

Environment

• Operating temperature: 32ºF to 113ºF (0ºC to 45ºC)
• Operating relative humidity: 15% to 95% @ 104ºF (40ºC), non-condensing
• Non-operating/Storage temperature: -40ºF to 158ºF (-40ºC to 70ºC)
• Non-operating/Storage relative humidity: 15% to 95% @ 149ºF (65ºC), non-condensing
• Altitude: up to 10,000 ft. (3 km)
• Acoustic: Power: 40.3 dB

Electrical Characteristics

• Maximum heat dissipation: 164 BTU/hr (173 kJ/hr)
• Voltage: 100-127 / 200-240 VAC
• Current: 1.0 A
• Power output: 48 W
• Frequency: 50 / 60 Hz