Dahua L2+ managed switch with 24 Gigabit ports and 4 10G SFP+ ports

Technical Specifications

• Dahua 28-port L2+ managed switch with 10 Gbps uplinks
• 24 RJ45 ports at 10/100/1000 Mbps
• 4 1/10 Gbps SFP+ ports
• Switching capacity of 128 Gbps
• Packet forwarding rate of 95,232 Mpps
• 16 Mbit packet buffer
• 32K-entry MAC table
• Support for jumbo frames up to 12,288 bytes
• Up to 4,094 VLANs and 10 VLAN interfaces

Functionalities

• Loop protection via STP, RSTP, and ERPS
• Port-based VLAN
• Static and dynamic link aggregation via LACP
• IEEE 802.3x flow control
• Unknown unicast suppression and multicast and broadcast storm control
• IGMP Snooping and static routing
• Security via 802.1X, port isolation, RADIUS, and HTTPS
• QoS via SP/WRR queue scheduling, 802.1p and DSCP priority mapping, and per-port rate limiting
• Network topology visualization via LLDP

Communication interface

• 1 console port for diagnostics and configuration
• 1 reset button

Network

• Cloud management via DoLynk Care
• Management via web interface and SNMP v1, v2c, and v3
• Support for NTP, event logs, and Ping
• DHCP client
• IEEE 802.3, IEEE 802.3u, IEEE 802.3x, IEEE 802.3ab, IEEE 802.3z, and IEEE 802.3ad standards

Power

• 2 built-in power supplies rated at 100–240 V AC, 50/60 Hz, and 0.8 A
• Redundant power supply to maintain operation in the event of a single input failure
• Standby power consumption of 13 W
• Power consumption at full load: 48 W or less

Environmental

• Operating temperature: –20 °C to +55 °C
• Operating and storage humidity from 5% to 95% RH, non-condensing
• Electrostatic discharge protection: 8 kV air discharge and 6 kV contact discharge
• Lightning protection: 4 kV in common-mode and 2 kV in differential-mode

Physical Characteristics

• Desktop or rack-mount installation
• Dimensions: 440 × 308.3 × 44 mm
• Net weight: 3.3 kg
• Gross weight: 4.8 kg

Contents

• Dahua DAHUA-5521 L2+ Managed Switch (DH-S5428-24GT4XF)
• Power cable
• Rack-mount kit
• User manual
• Warranty Card
• Legal and Regulatory Information
• List of Hazardous Substances

Certifications and Standards

• EMC Compliance