Dahua Switch (PFS4220-16P-250) 16 Ports POE
Dahua PFS4220-16P-250 Switch represents a cornerstone component in modern IP surveillance and access control networks. This professional-grade managed switch combines robust network performance with comprehensive Power over Ethernet capabilities, making it an ideal choice for installations requiring reliable connectivity and power delivery to multiple networked devices.
Comprehensive Power over Ethernet Capabilities
The PFS4220-16P-250 delivers substantial PoE+ support across all 16 ports, with a generous 250W total power budget that accommodates power-hungry devices including PTZ cameras, high-resolution IP cameras, and access control panels. Each port supports up to 30W of power delivery, meeting the requirements of IEEE 802.3at PoE+ standards.
Power management features include:
- Individual port power monitoring and control
- Automatic power allocation based on device requirements
- PoE scheduling for energy conservation during off-hours
- Power priority settings ensuring critical devices receive power first
- Real-time power consumption monitoring through web interface
Advanced Network Performance Specifications
Built with enterprise-grade components, this Dahua Switch delivers exceptional network throughput and reliability. The non-blocking switching architecture ensures consistent data flow even during peak network utilization periods, while advanced buffering prevents packet loss during traffic surges.
Performance characteristics encompass:
- 32Gbps switching capacity for high-bandwidth applications
- Wire-speed forwarding across all ports simultaneously
- 9K jumbo frame support for efficient large file transfers
- Store-and-forward switching eliminating network errors
- IEEE 802.3x flow control preventing data overflow
Intelligent Network Management Features
The PFS4220-16P-250 incorporates sophisticated management capabilities that simplify network administration while providing granular control over traffic flow and device behavior. The intuitive web-based interface allows administrators to configure and monitor the switch remotely.
Management capabilities include:
- VLAN configuration for network segmentation and security
- Quality of Service (QoS) prioritization for critical traffic
- Port mirroring for network analysis and troubleshooting
- SNMP support for integration with network management systems
- Link aggregation for increased bandwidth and redundancy
Robust Physical Construction and Environmental Tolerance
Engineered for continuous operation in demanding environments, the Dahua PFS4220-16P-250 features robust construction materials and efficient thermal management. The fanless design ensures silent operation while maintaining optimal component temperatures.
Construction specifications include:
- Compact 1U rack-mountable form factor
- Operating temperature range: -10°C to +55°C
- Relative humidity tolerance up to 95% non-condensing
- Mean Time Between Failures (MTBF) exceeding 100,000 hours
- Comprehensive surge protection on all ports
Surveillance System Integration
The PFS4220-16P-250 excels in IP surveillance applications where reliable power and data delivery to cameras is critical. The switch automatically detects and provides appropriate power to connected devices while maintaining network stability during camera startup sequences.
Surveillance-specific features encompass:
- Watchdog functionality automatically rebooting unresponsive cameras
- Extended transmission distances up to 250 meters with PoE extenders
- Bandwidth allocation ensuring smooth video streaming
- Storm control preventing broadcast traffic from overwhelming the network
- Port isolation for enhanced security between camera connections
Security and Access Control Integration
Modern access control systems benefit significantly from the reliable PoE delivery and network management capabilities of the Dahua PFS4220-16P-250. Door controllers, card readers, and intercom systems receive both power and data connectivity through single cable runs.
Access control advantages include:
- Centralized power management for multiple access points
- VLAN segmentation separating access control from other network traffic
- Port-based authentication ensuring only authorized devices connect
- MAC address filtering for additional device security
- Network redundancy options maintaining system availability
Installation and Configuration Considerations
Professional installation of the PFS4220-16P-250 requires careful planning of power requirements and network topology. The switch supports both rack-mount and desktop installation options, adapting to various equipment room configurations.
Installation requirements encompass:
- AC 100-240V power input with internal switching power supply
- Adequate ventilation for passive cooling operation
- Network cable management for clean professional appearance
- UPS backup power recommendation for critical applications
- Grounding connection for electrical safety compliance
Troubleshooting and Monitoring Capabilities
The comprehensive diagnostic features of the Dahua PFS4220-16P-250 simplify network troubleshooting and performance optimization. Real-time monitoring provides insights into network health and device status.
Diagnostic features include:
- Per-port traffic statistics and error counters
- Cable diagnostics identifying wiring problems
- Device discovery showing connected equipment details
- Event logging for historical analysis
- LED indicators providing instant visual status information
Cost-Effective Network Infrastructure Solution
The PFS4220-16P-250 provides exceptional value by combining switch functionality with PoE power delivery, eliminating the need for separate power supplies at each device location. This consolidation reduces installation costs while improving system reliability.
Economic benefits include:
- Reduced cabling requirements saving installation time and materials
- Centralized power management reducing maintenance complexity
- Energy-efficient operation minimizing ongoing electrical costs
- Scalable architecture supporting future network expansion
The Dahua PFS4220-16P-250 Switch delivers professional-grade networking performance tailored specifically for IP surveillance and access control applications. Its combination of robust PoE capabilities, intelligent management features, and reliable construction makes it an practical choice for security system integrators and network administrators seeking dependable infrastructure solutions.
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