DCN S4200-28P-PL-SI-R2 Managed Layer 2 PoE+ Switch, 24x Gigabit PoE+ θύρες, 4x SFP, 200W

The DCN S4200-28P-PL-SI-R2 is a high-performance Managed Layer 2 PoE+ switch designed for enterprise and SMB networks. It features 24 Gigabit Ethernet PoE+ ports and 4 SFP uplink ports, delivering a total switching capacity of 56 Gbps. With a PoE power budget of 200W, it supports IEEE 802.3af/at devices such as IP cameras, wireless access points, and VoIP phones. The switch offers advanced Layer 2 features including VLAN, STP/RSTP/MSTP, LACP, IGMP snooping, and robust security with ACLs, 802.1X, and DHCP snooping. Management is flexible via CLI, Web GUI, SNMP, Telnet, or SSH. The 1U rack-mountable design with smart fans ensures reliable operation in demanding environments.

Advantages

High PoE power budget of 200W simplifies deployment of powered devices. Comprehensive security features protect network integrity. Energy-efficient design with smart fan cooling reduces noise and power consumption. Easy management through multiple interfaces saves time and effort.

Suitable for

• Enterprise access layer networks
• SMB network infrastructure
• IP surveillance systems
• Wireless LAN deployments
• VoIP phone systems

Key specifications

• 24 x 10/100/1000Base-T PoE+ ports (IEEE 802.3af/at)
• 4 x 1000Base-X SFP uplink ports
• Switching capacity: 56 Gbps
• Forwarding rate: 41.67 Mpps
• MAC address table: 16K entries
• VLAN support: up to 4K VLANs (802.1Q)
• Jumbo frame support: up to 9 KB
• QoS: 8 queues per port, SP/WRR/SP+WRR scheduling
• Management: CLI, Web GUI, SNMP v1/v2c/v3, Telnet, SSH, RMON
• Security: 802.1X, ACLs, Port Security, DHCP Snooping, ARP Inspection
• Layer 2 features: STP/RSTP/MSTP, LACP, IGMP Snooping, MLD Snooping, LLDP
• Power supply: Internal AC 110-240V, 50/60Hz
• Operating temperature: 0°C to 50°C
• Cooling: Smart fans
• Mounting: Rack-mountable 1U

Recommendations

For optimal performance, use Category 5e or higher cabling for all connections. Ensure adequate ventilation around the switch to maintain operating temperature. For PoE devices, verify total power consumption does not exceed 200W budget.