HP ProCurve 2520G-24 (J9299A)

Ports 20 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 802.3af PoE), Media Type: Auto-MDIX, Duplex: 10BASE-T/100BASE-TX: half or full; 1000BASE-T: full only; 4 dual-personality ports, each port can be used as either an RJ-45 10/100/1000 PoE port (IEEE 802.3 Type 10Base-T; IEEE 802.3u Type 100Base-TX; IEEE 802.3ab 1000Base-T Gigabit Ethernet, IEEE 802.3af) or as an SFP slot (for use with SFP transceivers); 1 RJ-45 serial console port Mounting Mounts in an EIA-standard 19-inch telco rack or equipment cabinet (rack-mounting kit available); horizontal surface mounting; wall mounting Memory and processor Processor : Freescale PowerPC 8313 @ 266 MHz, 32 MB flash, packet buffer size: 512 KB dynamically allocated, 128 MB DDR2 SDRAM Latency 100 Mb Latency: 5.3 s (LIFO 64-byte packets); 1000 Mb Latency: 2.7 s (LIFO 64-byte packets) Throughput 35.7 million pps Management features HP PCM+; HP PCM; command-line interface; Web browser; configuration menu; out-of-band management (serial RS-232C); IEEE 802.3 Ethernet MIB; Repeater MIB; Ethernet Interface MIB Switching capacity 48 Gbps Connectivity and communications Denial of service protection CPU DoS Protection General protocols IEEE 802.1D MAC Bridges; IEEE 802.1p Priority; IEEE 802.1Q VLANs; IEEE 802.1s Multiple Spanning Trees; IEEE 802.1w Rapid Reconfiguration of Spanning Tree; IEEE 802.3 Type 10BASE-T; IEEE 802.3ab 1000BASE-T; IEEE 802.3ad Link Aggregation Control Protocol (LACP); IEEE 802.3af Power over Ethernet; IEEE 802.3x Flow Control; RFC 768 UDP; RFC 783 TFTP Protocol (revision 2); RFC 792 ICMP; RFC 793 TCP; RFC 826 ARP; RFC 854 TELNET; RFC 868 Time Protocol; RFC 951 BOOTP; RFC 1350 TFTP Protocol (revision 2); RFC 1542 BOOTP Extensions; RFC 2030 Simple Network Time Protocol (SNTP) v4; RFC 2131 DHCP Network management IEEE 802.1AB Link Layer Discovery Protocol (LLDP); RFC 1098 A Simple Network Management Protocol (SNMP); RFC 2819 Four groups of RMON: 1 (statistics), 2 (history), 3 (alarm) and 9 (events); ANSI/TIA-1057 LLDP Media Endpoint Discovery (LLDP-MED); SNMPv1/v2c/v3 Power and operating requirements Power consumption 260.4 W (maximum) Input voltage 100-127/200-240 VAC Input operating current 3.3/1.6 A Input frequency 50/60 Hz Safety cUL (CSA 22.2 No. 60950); CE Labeled; UL 60950-1; UL Listed; CAN/CSA 22.2 No. 60950; EN 60825; AS/NZS 60950; IEC 60950-1; EN 60950-1 Electromagnetic compatibility FCC part 15 Class A; VCCI Class A; EN 55022 Class A; CISPR 22 Class A; ICES-003 (Canada); AS/NZS CISPR 22; IEC/EN 61000-3-2; IEC/EN 61000-3-3; IEC 61000:4-2, 4-3, 4-4, 4-5, 4-6, 4-8, 4-11 Operating temperature range 0 to 50C Operating humidity range 15 to 95% @ 104F (40C) (noncondensing) Operating altitude up to 3 km Acoustic pressure emissions Power: 28.3 dB, Pressure: 37.7 dB, DIN 45635T. 19 per ISO 7779 Heat dissipation 223 BTU/hr (235.27 kJ/hr) Immunity standard EN 55024, CISPR 24; EN 55024, CISPR 24; IEC 61000-4-2; IEC 61000-4-3; IEC 61000-4-4; IEC 61000-4-5; IEC 61000-4-6; IEC 61000-4-8; IEC 61000-4-11; EN 61000-3-2, IEC 61000-3-2; EN 61000-3-3, IEC 61000-3-3 Dimensions and weight Dimensions (W x D x H) 24.61 x 44.3 x 4.45 cm Weight 3.27 kg