Chelsea Online

PHYSICAL INTERFACES 8 RJ-45 autosensing 10/100/1000 PoE+ ports (IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASE-TX, IEEE 802.3ab Type 1000BASE-T, IEEE 802.3at PoE+); 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 as a SFP slot (for use with SFP transceivers) Additional ports and slots 1 dual-personality (RJ-45 or USB micro-B) serial console port Memory and processor ARM9E @ 800 MHz, 128 MB flash Packet buffer size: 3 MB (48G switches only) or 1.5 Mb dynamically allocated 256 MB DDR3 DIMM DIMENSIONS (H) 4.45 cm x (W) 25.40 cm x (D) 15.95 cm (1.75” x 10.00” x 6.28”) (1U height) Weight: 2.2 lb (1 kg) Performance 100 Mb Latency: < 7.4 µs (LIFO 64-byte packets) 1000 Mb Latency: < 2.6 µs (LIFO 64-byte packets) Throughput: up to 14.8 Mpps (64-byte packets) Switching capacity: 20 Gbps