Technical specifications

Ports

22 autosensing 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; 2 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)

Mounting

Mounts in an EIA-standard 19 in. telco rack (hardware included); wall, desktop, and under-table mounting

Memory and processor

512 KB flash, packet buffer size: 512 KB

Latency

100 Mb Latency: < 8.0 µs (LIFO 64-byte packets); 1000 Mb Latency: < 3.6 µs (LIFO 64-byte packets)

Throughput

up to 35.7 million pps (64-byte packets)

Switching capacity

48 Gbps

Connectivity and communications

General protocols

IEEE 802.1p Priority; IEEE 802.3ab 1000BASE-T Gigabit Ethernet over twisted pair (10/100/1000 models only); IEEE 802.3i 10BASE-T Ethernet over twisted pair; IEEE 802.3u 100BASE-TX Fast Ethernet, 100BASE-FX with autonegotiation; IEEE 802.3x Flow Control; IEEE 802.3z 1000BASE-X Gigabit Ethernet over fiber (10/100/1000 models only)

Power and operating requirements

Power consumption

22 W (maximum)

Input voltage

100-127/200-240 VAC

Input operating current

0.3/0.2 A

Input frequency

50/60 Hz

Safety

CSA 22.2 No. 60950; UL 60950-1; IEC 60950-1; EN 60950-1

Electromagnetic compatibility

FCC Rules Part 15, Subpart B Class A

Operating temperature range

0 to 40°C

Operating humidity range

15 to 95% @ 104°F (40°C) (noncondensing)

Operating altitude

up to 3 km

Acoustic pressure emissions

Power: 0 dB, No fan

Heat dissipation

75 BTU/hr (79.13 kJ/hr)

Dimensions and weight

Minimum dimensions (W x D x H)

33.6 x 16.9 x 4.4 cm

Weight

1.35 kg