Cisco Business CBS220-24FP-4G Full English Product Description

1. Product Overview

Model Suffix Breakdown

• 24: 24×10/100/1000BASE-T Gigabit RJ45 access ports
• FP: Full high-power PoE++ compliant with IEEE 802.3bt, max 60W per port
• 4G: Four dedicated 1G SFP fiber uplink ports supporting fiber long-distance aggregation and horizontal hardware stacking
  No "-E/D" suffix indicates standard 19-inch 1RU rack-mount metal chassis with built-in internal universal AC power supply, no external desktop adapter required.
  This web-managed smart switch delivers wire-speed non-blocking switching with a total 740W PoE power budget, supporting simultaneous full 60W PoE++ output on all 24 ports. It reliably powers Wi-Fi 6/6E wireless APs, multi-sensor PTZ surveillance cameras, video conference terminals and high-power smart building intercoms. Equipped with complete enterprise Layer 2 feature suite, intelligent PoE scheduling, multilayer security and batch stacking management, it is the ideal high-power managed PoE access switch for SMBs with professional surveillance and wireless coverage demands.

2. Hardware Port Specifications

• Access Ports: 24×auto-sensing 10/100/1000BASE-TX RJ45 PoE++ ports, fully compatible with IEEE 802.3af / 802.3at / 802.3bt, Auto MDI/MDI-X, Cat5e/Cat6 cabling supported
• Total PoE Power Budget: 740W, intelligent dynamic power allocation with configurable port priority under overload
• Uplink Interfaces: 4×dedicated 1G SFP fiber slots; support standard 1G SFP transceivers and DAC copper cables for upstream connection to core aggregation switches or stacking interconnection between CBS220 4G series devices
• Management Interfaces: RJ45 serial console port, HTML5 encrypted web management GUI, Bluetooth mobile configuration, SNMP v1/v2c/v3
• LED Indicators: Independent front-panel LEDs for global power status, per-port link/activity, 10/100/1000Mbps speed, real-time PoE power draw and PoE overload warning alarm
• Hardware Reset Button: Recessed physical reset button for one-click restoration of factory default configurations
• Cooling Architecture: Fanless passive heat sink design with zero operating noise, suitable for classrooms, medical clinics and quiet office spaces
• Power Mode: Integrated internal wide-range universal AC PSU (100–240V 50/60Hz), no external DC adapter needed

3. Core Performance Parameters

• Switching Capacity: 176 Gbps non-blocking wire-speed switching
• 64-byte Packet Forwarding Rate: 130.94 Mpps
• MAC Address Table Depth: 16,384 MAC entries
• Jumbo Frame Support: Up to 10,240 bytes for 4K surveillance video and large-capacity file transmission
• Energy Saving Standard: IEEE 802.3az EEE auto power cut for idle Ethernet links
• Max Full PoE & Traffic Load Power Consumption: ~980 VA
• Idle Standby Power Draw: ~35 W
• Input Power: Built-in internal universal AC power supply

4. Physical & Environmental Specifications

• Form Factor: Standard full-width 1RU metal rack-mount chassis, desktop flat placement optional
• Dimensions (W × D × H): 445 mm × 349 mm × 44 mm
• Net Weight: 3.12 kg (6.88 lb), heavier than mid-power PoE CBS220-24P-4G variant
• Operating Temperature Range: 0 °C to 50 °C (32 °F to 122 °F), certified for out-of-wiring-closet deployment
• Storage Temperature Range: -25 °C to 70 °C (-13 °F to 158 °F)
• Relative Humidity: 10%–90% non-condensing humidity during operation and storage
• Compliance Certifications: CE, FCC, UL, RoHS compliant; Cisco limited lifetime hardware warranty with advance replacement service

5. Complete Layer 2 Smart Switching Functions

• IEEE 802.1Q VLAN, up to 4094 VLAN IDs, dedicated auto voice VLAN optimized for mass IP phone deployment
• Full STP suite: STP, RSTP, MSTP with fast convergence to eliminate Layer 2 broadcast forwarding loops
• Static LAG & IEEE 802.3ad LACP dynamic link aggregation, cross-stack LAG supported for stacked CBS220 4G switches
• IGMP Snooping v1/v2/v3 + Multicast VLAN Replication to reduce multicast bandwidth waste for multi-camera surveillance streams
• Auxiliary L2 Tools: Embedded cable diagnostic tool, hardware port isolation, broadcast/multicast storm suppression, automatic power shutdown for idle disconnected ports

6. Exclusive Horizontal Hardware Stack Function (4G Series Only)

• Supports stacking up to 8 Catalyst CBS220 4G series switches via 1G SFP uplink ports
• Unified single-IP management for the entire stack, enabling batch configuration, batch firmware upgrade and real-time cross-stack traffic monitoring
• Hot-swappable stack member design with seamless traffic failover during device replacement
• Higher aggregated inter-switch bandwidth compared to non-stackable 2G uplink CBS220 models

7. Intelligent Multi-Standard PoE++ Power Management

• Automatic detection of IEEE 802.3af / at / bt PD devices, dynamically matching output wattage without manual configuration
• User-configurable PoE port priority to protect mission-critical PTZ cameras and Wi-Fi 6/6E APs under power overload
• Time-based PoE power schedule to cut power supply for off-business-hours devices and reduce overall energy consumption
• Real-time global & per-port PoE power statistics displayed on web GUI and front panel indicator LEDs
• Multi-layer hardware protection: Short-circuit, over-current, over-voltage and over-temperature automatic thermal shutdown for all 24 PoE RJ45 ports
• Perpetual PoE function retains stable power output during switch reboot to avoid offline surveillance and voice terminals

8. Enterprise-Grade Multi-Layer Network Security

• 802.1X port-based authentication, MAC address authentication and guest VLAN access control
• Port Security with configurable MAC address learning limit to block malicious MAC flooding attacks
• IPv4/IPv6 bidirectional ACL for fine-grained inbound/outbound traffic filtering
• Secure management transmission channels: HTTPS encrypted web UI, SSH console CLI, SNMPv3 encryption
• Anti-spoofing defense: Dynamic ARP Inspection (DAI), IP Source Guard to prevent IP/MAC address spoofing
• Full-port surge and short-circuit protection for all RJ45 copper ports against faulty Ethernet cables

9. Advanced Hardware QoS Traffic Prioritization

• 4 independent hardware priority queues per Gigabit port
• Automatic identification and mapping of 802.1p CoS and DSCP traffic marking without manual setup
• Hybrid Strict Priority + WRR scheduling to guarantee ultra-low latency and jitter for VoIP voice and real-time 4K surveillance video
• Port ingress/egress bandwidth policing and traffic shaping to avoid single-port bandwidth congestion

10. Multi-Mode Local & Centralized Management Advantages

• Local Management: Intuitive HTML5 web GUI, RJ45 console CLI, Bluetooth wireless mobile configuration
• Cross-Site Centralized Management: Compatible with Cisco Business Dashboard and Cisco DNA Center for unified batch monitoring, configuration push and zero-touch provisioning (ZTP) for mass multi-branch deployment
• Firmware & Configuration Backup: TFTP/HTTP batch firmware upgrade, one-click full-config backup & restore for single switch or entire stack
• Monitoring Utilities: SNMP v1/v2c/v3, NTP time synchronization, sFlow traffic sampling, real-time port traffic statistics
• Standalone or stacked dual operation modes; fanless silent design fits noise-sensitive classrooms, medical clinics and open office environments
• Wide operating temperature tolerance supports retail kiosks, warehouse auxiliary zones and distributed smart building IoT deployment

11. Typical Application Scenarios

• Large retail shopping centers deploying high-power Wi-Fi 6/6E APs and dozens of PTZ PoE++ surveillance cameras
• Medium campus classroom and library monitoring zones requiring simultaneous full 60W PoE++ power per port
• Medium enterprise main wiring closets with high-density wireless workgroups equipped with enterprise voice intercoms
• Smart building IoT aggregation for video conference terminals, multi-sensor security cameras and high-power wireless gateways
• Multi-switch stacked PoE surveillance networks requiring unified single-IP batch management and scalable port expansion
• Cost-optimized high-power PoE networks where every access port needs concurrent full 60W PoE++ output
• Medical clinics and quiet office environments with silent fanless hardware requirements

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