6161619575

•    3Com management: 3Com NetWork Supemsor, 3Com NetWork Director, 3Com Enterprise Management Suitę

•    Other management: Web-based GUI, SNMP, telnet, CLI, RMON-1 (statistics, history, alarms, events), SMON, multiple software images, bank swap statistics gathering and reporting, remote polling/ping (unicast modę only), software backup/restore, Xmodem, FTP, TFTP, telnet, IP address allocation via manual/DHCP/BOOTP

•    Network debugging tools: DHCP tracker, UDP helper, traceroute, 1-1 traffic mirroring (standalone unit only)

•    Built-In power supply: 50/60 Hz AC; 90-240 VAC input; supports multiple power modes: AC-only, AC and DC, DC-only

•    DC Redundant Power Supply (RPS): Available standards-based DC RPS designed by Eaton Powerware Corporation, leading provider of

•    IEEE standards: IEEE 802. ID (STP), 802.lp (CoS), 802. IQ (VLANs), 802. Iw (RSTP),

802. IX (Security), 802.3 (Ethernet), 802.3ad (Link Aggregation), 802.3ab (1000BASE-T), 802.3ae (10G Ethernet), 802.3i (10BASE-T), 802.3u (Fast Ethernet), 802.3x (Flow Control), 802.3z (Gigabit Ethernet)

•    Standard: EN 60068 (IEC 68)

•    Emissions: CISPR 22 Class A, FCC Part 15 Class A, EN 55022 1998 Class A, ICES-003 Class A, VCCI Class A, EN 61000-3-2 2000, 61000-3-3

•    Immunity: EN 55024

•    Safety agency certifications: UL 60950, IEC 60950-1, EN 60950-1, CAN/CSA-C22.2 No. 60950

•    Dimensions: Height: 43.6 mm (1.7 in or 1U); width: 440 mm (17.3 in), 450 mm (17.7 in)

3Com® SuperStack® 3 Switch 3870, 24-Port

•    Total ports: 24 autosensing 10BASE-T/100BASE-TX/1000BASE-T ports (four of which are dual-purposed with the SFP slots); 4 SFP slots accommodating 1000BASE-SX, 1000BASE-LX and 1000BASE-LH SPFs (SFPs sold separately); console port; 2 stacking ports; 10-Gigabit expansion slot

•    Media interfaces: RJ-45 (switch device), LC (optional SFP), 10GBASE-X (via Xenpaks)

•    Ethernet switching features: Full-rate nonblocking switching on all 1000 Mbps Ethernet ports; flow control; IEEE 802.1Q VLAN support; IEEE 802. lp traffic prioritization; IEEE 802.3ad Link Aggregation Control Protocol (10/100/1000 ports only); IEEE 802.1wRapid Spanning Tree Protocol; IEEE 802. IX network login

•    Ethernet Routing Features: Hardware-based routing; Static routes: 10; Dynamie / static ARP (Address Resolution Protocol) entries: 2,000 / 16 IP routing IP interfaces: 32; RIP (Routing Information Protocol), vl and v2: 2K via default route plus 16 hardware based routes; Multicast Routing IGMP vl and v2 snooping

•    Ethernet switching performance: Wirespeed, forwarding rates up to 80 million pps; switching capacity of 108 Gbps

•    Management: Web interface management, command linę interface management, SNMP, 3Com Network Supervisor

•    Height: 4.4 cm (1.7 in), or 1U