3Com 3CBLSG24 Baseline 2924-SFP Plus 24-Port Managed Gigabit Switch

• Mfr Part Number: 3CBLSG24-US
• Standards:
• IEEE 802.1d Spanning Tree
• IEEE 802.1p Priority Tags
• IEEE 802.1Q VLANs
• IEEE 802.1X Port Security
• IEEE 802.1w Rapid Spanning Tree
• IEEE 802.3 Ethernet
• IEEE 802.3ab Gigabit Ethernet
• IEEE 802.3ad Link Aggregation
• IEEE 802.3u Fast Ethernet
• IEEE 802.3x Flow Control
• IEEE 802.3z Gigabit Ethernet
• ISO 8802-3
• Connectors:
• 24x 10BASE-T/100BASE-X/1000BASE-T
• 4x Gigabit SFP ports, dual-purposed with 4 of the above 10/100/1000 ports (configurable as 10/100/1000 or SFP)
• All copper ports are auto MDI/MDIX, auto-negotiating RJ45
• Front-mounted console port
• Performance:
• 48Gbps switching capacity, max.
• 35.5Mpps forwarding rate, max.
• Wirespeed performance
• Store-and-forward switching
• Layer 2 Switching:
• 8,192 MAC addresses in address table
• 256 port-based VLANs (IEEE 802.1Q)
• IEEE 802.3ad Link Aggregation, automated (LACP) and manual aggregation: 8x trunks, max.; 8x ports per trunk, max.
• Auto-negotiation of port speed and duplex
• Auto-voice VLAN for automatic vendor-independent segregation and prioritization of VoIP traffic
• IEEE 802.3x flow control (half- and full-duplex)
• IEEE 802.1D Spanning Tree Protocol (STP)
• IEEE 802.1w Rapid Spanning Tree Protocol (RSTP)
• Internet Group Management Protocol (IGMP) v1 and 2 on Layer 2 interfaces
• Jumbo frames (upto 9KB)
• Multicast filtering
• Convergence:
• 4x hardware queues per port, with IEEE 802.1p Class of Service/Quality of Service (CoS/QoS) on egress
• Weighted Round Robin queuing
• Traffic prioritization at Layer 2 using 802.1p QoS, and at Layer 3 using Type of Service (TOS) with Differentiated
• Services Code Point (DSCP)
• Ingress/egress rate shaping
• Auto VLAN assignment for voice traffic determined by vendor OUI
• CoS remarking for prioritization of VoIP traffic
• Security:
• IEEE 802.1X Network login
• Access Control Lists (ACLs)
• MAC-based Layer 2 filtering rules: Source/destination address; Ethertype; CoS; VLAN
• IP-based Layer 3 filtering rules: Protocol; Source/destination address; TCP/UDP port; DSCP value; IP precedence
• Management communications are encrypted via HTTPS
• Management:
• Web-based configuration and management
• System configuration with SNMP v1 and 2
• Compatible with SNMP management tools like 3Com Network Supervisor and 3Com Network Director
• CLI via console
• Management communications are encrypted via HTTPS
• LED Indicators: Module active, power, network traffic/duplex mode, link status/speed
• At-a-Glance Traffic Monitoring:
• Ports: active, enabled, disabled
• Modules: present, active
• Power Supply:
• Current rating: 1.5A, max.
• Power dissipation: 286.7 BTU/hr, max.
• Regulatory and Agency Approvals:
• Safety: UL 60950-1, EN 60950-1, CSA 22.2 60950-1, IEC 60950-1
• Emissions: EN 55022 Class A, EN 61000-3-2, EN 61000-3-3, FCC Part 15 Subpart B Class A, CISPR22 Class A, ICES-003 Class A, VCCI Class A
• Immunity: EN 55024
• Dimensions (WxDxH): 17.3 x 6.7 x 1.7 inch / 44 x 17.1 x 4.4 cm
• Weight: 3.5 lbs / 1.6 kg