HP J4905A 20-Ports Managed ProCurve 3400CL-24G Switch

HP - SWITCH 3400CL-24G SWITCH - 20 PORTS - MANAGED - STACKABLE (J4905A). MAIN SPECIFICATIONS : DEVICE TYPE : SWITCH - 20 PORTS - MANAGED - STACKABLE FORM FACTOR : EXTERNAL - 1U FEATURES : FLOW CONTROL, IP-ROUTING, DHCP SUPPORT, BOOTP SUPPORT, VLAN SUPPORT, AUTO-UPLINK (AUTO MDI/MDI-X), MANAGEABLE, STACKABLE, MAC ADDRESS FILTERING COMPLIANT STANDARDS : IEEE 802.3, IEEE 802.3U, IEEE 802.1D, IEEE 802.1Q, IEEE 802.3AB, IEEE 802.1P, IEEE 802.3X, IEEE 802.3AD (LACP), IEEE 802.1W, IEEE 802.1X, IEEE 802.1S, IEEE 802.1V NETWORKING : PORTS QTY : 20 X ETHERNET 10BASE-T, ETHERNET 100BASE-TX, ETHERNET 1000BASE-T AUXILIARY NETWORK PORTS : 4X10/100/1000BASE-T/SFP (MINI-GBIC) DATA TRANSFER RATE : 1 GBPS DATA LINK PROTOCOL : ETHERNET, FAST ETHERNET, GIGABIT ETHERNET ROUTING PROTOCOL : OSPF, RIP, RIP-2, IGMPV2, IGMP, OSPFV2, IGMPV3 REMOTE MANAGEMENT PROTOCOL : SNMP 1, RMON 1, RMON 2, RMON 3, RMON 9, TELNET, SNMP 3, SNMP 2C, HTTP CONNECTIVITY TECHNOLOGY : WIRED SWITCHING PROTOCOL : ETHERNET MAC ADDRESS TABLE SIZE : 64K ENTRIES PROCESSOR : PROCESSOR : 1 MPC8245 : 266 MHZ MEMORY : RAM : 128 MB SDRAM FLASH MEMORY : 16 MB FLASH EXPANSION / CONNECTIVITY : EXPANSION SLOTS TOTAL (FREE) : 4 ( 4 ) X SFP (MINI-GBIC), 1 EXPANSION SLOT INTERFACES : 24 X NETWORK - ETHERNET 10BASE-T/100BASE-TX/1000BASE-T - RJ-45 1 X MANAGEMENT - RS-232C - 9 PIN D-SUB (DB-9) POWER : POWER DEVICE : POWER SUPPLY - REDUNDANT VOLTAGE REQUIRED : AC 120/230 V ( 50/60 HZ )