HP 3500-24G-PoE+ yl Switch ( J9310A)

Ports 1 open module slot; 20 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; 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) with PoE or an open mini-GBIC slot ( for use with mini-GBIC transceivers) ; Supports a maximum of 4 10-GbE ports, with optional module Mounting Mounts in an EIA-standard 19 in. telco rack or equipment cabinet ( hardware included) ; horizontal surface mounting only Memory and processor 10G module : ARM9 @ 200 MHz, packet buffer size: 36 Mb QDR SDRAM; Management module : Stackable memory and processor: Freescale PowerPC 8540 @ 666 MHz, 4 MB flash, 128 MB compact flash, 256 MB DDR SDRAM Latency 1000 Mb Latency: < 3.4 µ s ( FIFO 64-byte packets) ; 10 Gbps Latency: 95% reduction, 0.5 period; 30% reduction, 25 periods; EN 61000-3-2, IEC 61000-3-2; EN 61000-3-3, IEC 61000-3-3 Dimensions and weight Minimum dimensions ( W x D x H) 44.3 x 39.2 x 4.4 cm Weight 6.29 kg