Physical Specifications * W: 440 mm (17.32 inches) * D: 385 mm (15.16 inches) * H: 43 mm (1.7 inch) Network Protocol and Standards Compatibility * IEEE 802.3 10BASE-T * IEEE 802.3u 100BASE-TX * IEEE 802.3z 1000BASE-SX * IEEE 802.3ab 1000BASE-T * IEEE 802.3x Flow Control * IEEE 802.3af DTE Power via MDI Management Specifications * IEEE 802.1x Port Based Network Access Control * IEEE 802.1Q Static VLAN * IEEE 802.1p Class of Service (CoS) * IEEE 802.3ad Link Aggregation Control Protocol (LACP) * IEEE 802.1D Spanning Tree Protocol * IEEE 802.1w Rapid Spanning Tree * IEEE 802.3s Multiple Spanning Tree * RFC 768 UDP * RFC 854-859 Telnet * IGMP Snooping Support * Port Mirroring Support * RFC 951, 1532 BootP * RFC 1157 SNMP * RFC 1757 RMON groups 1, 2, 3, and 9 * RFC 1213 MIB II * RFC 1583 OSPF v2 * RFC 1643 Ethernet Interface MIB * RFC 1724 RIP v2 MIB * RFC 1850 OSPF v2 MIB * RFC 1902, 1903, 1904, 1905, 1906, 1907 SNMP v2 * RFC 1757, 2021 Remote MIB v2 * RFC 2096 IP Forwarding Table MIB * RFC 2131, 2132 DHCP and BootP * RFC 2233 Interfaces Group MIB – SMIv2 * RFC 2236 IGMP v2 * RFC 2328 OSPF v2 * RFC 2338, 2787 Virtual Router Redundancy Protocol (VRRP) * RFC 1057, 2453 RIP v1, v2 * RFC 2474 Differentiated Fields – IPv4 in IPv6 Headers * RFC 2597 Assured Forwarding PHB * RFC 2737 Entity MIB v2 * RFC 2865 RADIUS * RFC 2475, 2998 DiffServ * RFC 3046 DHCP Relay * Private Enterprise MIB * Broadcast Storm Protection * Layer 3/4 aware Access Control List (48 bit) System Parameters * Number of MAC addresses: 8K * Number of VLANs: 228 * Maximum VLAN ID: 4069 * Number of 802.1p traffic classes: 4 * Number of trunks: 6 * Number of routes: 16 * Number of routed VLANs: 6 * Number of ARP entries: 2047 * Number of ACL rules (and entries): 100 rules with 10 entries/rule * Number of Queues used for DiffServ: 2 * Maximum rules per class: 8 * Maximum instances per policy: 10 * Maximum attributes per instance: 8 * Maximum service interfaces: 16 User Interfaces * Command Menu Interface * Web-based management Physical Interfaces * 24 RJ-45 In-Line Power connectors for 10BASE-T and 100BASE-TX (end-span) * Two RJ-45 combo connectors for 10BASE-T, 100BASE-TX, and 1000BASE-T. * Optional SFP GBIC slots for fiber connections * RPS Connector for optional alternative power LEDs * Per port: Speed, Link, Activity * Per device: Power, Maximum PoE Power supplied, RPS Status Performance Specifications * Forwarding modes: Store-and-forward * Bandwidth: 8.8 Gbps (non-blocking) * Switch latency: Less than 20 microseconds for 64-byte frames * System memory: 128 MB * Packet buffer memory: 32 MB * Code Storage (Flash): 16 MB * Acoustic noise: (ANSI-S10.12) 45dB * Heat Dissipation: 28.24 BTU/hr * Mean Time Between Failure (MTBF): 58,300 hours (~ 6.5 years) Electrical Specifications * Power Consumption: 36 W maximum * 100-127/200-240 VAC; 50-60 Hz universal inputs * 802.3af power budget: 170 watts. Full power for up to 12 ports, or up to 7 watts for 24 ports Physical Specifications * W: 440 mm (17.32 inches) * D: 385 mm (15.16 inches) * H: 43 mm (1.7 inch) Environmental Specifications * Operating temperature: 0 to 40° C * Storage temperature: -20 to 70° C * Operating humidity: 90% maximum relative humidity, noncondensing * Storage humidity: 95% maximum relative humidity, noncondensing * Operating altitude: 10,000 ft (3,000 m) maximum * Storage altitude: 10,000 ft (3,000 m) maximum Electromagnetic Emissions * CE mark, commercial * FCC Part 15 Class A * VCCI Class A * EN 55022 (CISPR 22), Class A, Class A EN 50082-1 * C-Tick Electromagnetic Immunity * EN 50082-1 * EN 55024 Safety * CE mark, commercial * CSA certified (CSA 22.2 #950) * UL listed (UL 1950)/CUL IEC950/EN60950