Cisco Business CBS220-24P-4X Full English Product Description

1. Product Overview

Model Suffix Definition

• 24: 24×10/100/1000BASE-T RJ45 PoE access ports
• P: IEEE 802.3at PoE+, max 30W power output per port
• 4X: Four dedicated 10G SFP+ uplink slots, backward compatible with 1G SFP transceivers for future-proof high-speed fiber aggregation
  No "-E/D" suffix means it adopts standard 19-inch 1RU metal rack-mount chassis with integrated internal wide-range AC power supply, no desktop external DC adapter required.
  This web-managed smart switch carries a total 195W PoE power budget, intelligently supplying stable power for enterprise VoIP phones, low-medium power Wi-Fi 5/6 wireless APs and entry-level multi-megapixel surveillance cameras. Equipped with 10G high-speed uplink expansion, complete enterprise-grade Layer 2 feature suite, scheduled PoE control, multilayer hardware security and intuitive local/centralized management, it is an ideal scalable PoE access switch for SMBs with basic IT operation teams.

2. Hardware Port Specifications

• Access Ports: 24×auto-sensing 10/100/1000BASE-TX RJ45 PoE+ ports, fully compliant with IEEE 802.3af / 802.3at, Auto MDI/MDI-X, Cat5e/Cat6 cabling compatible
• Total PoE Power Budget: 195W, dynamic power allocation with user-configurable port power priority under overload
• Uplink Interfaces: 4×dedicated 10G SFP+ fiber slots; support 10G SFP+ transceivers, 1G SFP modules and 10G DAC copper cables for long-distance high-speed uplink to core aggregation switches
• 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 operational noise, suitable for classrooms, medical clinics and quiet open office environments
• Power Mode: Integrated internal universal AC PSU (100–240V 50/60Hz), no external DC wall adapter needed

3. Core Performance Parameters

• Switching Capacity: 168 Gbps non-blocking wire-speed switching
• 64-byte Packet Forwarding Rate: 125 Mpps
• MAC Address Table Depth: 16,384 MAC entries
• Jumbo Frame Support: Up to 10,240 bytes for large-capacity surveillance video and file transmission
• Energy Saving Standard: IEEE 802.3az EEE auto power cut for idle Ethernet links
• Max Full PoE & Traffic Load Power Consumption: ~225 VA
• Idle Standby Power Draw: ~34 W
• Input Power: Built-in wide-range internal 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 × 310 mm × 44 mm
• Net Weight: 2.81 kg (6.19 lb), heavier than non-PoE CBS220-24T-4X variant
• Operating Temperature Range: 0 °C to 50 °C (32 °F–122 °F), certified for out-of-wiring-closet deployment
• Storage Temperature Range: -25 °C to 70 °C (-13 °F–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 Switch Feature Set

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

6. Intelligent PoE+ Power Management

• Auto detection of IEEE 802.3af / 802.3at PD devices to automatically match output wattage without manual configuration
• Configurable PoE port priority to protect mission-critical IP phones and surveillance cameras during power overload
• Time-based scheduled PoE power on/off to cut energy consumption during off-business hours
• Real-time global & per-port PoE power statistics visible via front panel LEDs and web management GUI
• Multi-layer hardware protection: Short-circuit, over-current, over-voltage, over-temperature automatic thermal shutdown for all PoE ports
• Perpetual PoE function keeps power output stable during switch reboot to avoid offline surveillance and voice terminals

7. Enterprise-Grade Multi-Layer Network Security

• 802.1X port-based authentication, MAC authentication and guest VLAN access control
• Port Security with configurable MAC address learning limits to defend against malicious MAC flooding attacks
• IPv4/IPv6 bidirectional ACL for granular 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 block IP/MAC address spoofing
• Full-port surge and short-circuit protection for all RJ45 copper ports against faulty Ethernet cables

8. Advanced Hardware QoS Traffic Prioritization

• 8 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 surveillance video
• Port ingress/egress bandwidth policing and shaping to avoid single-port bandwidth congestion

9. 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 multi-branch monitoring, batch configuration push and zero-touch provisioning (ZTP)
• Firmware & Config Tools: TFTP/HTTP batch firmware upgrade, one-click full-config backup & restore for single switch
• Monitoring Utilities: SNMP v1/v2c/v3, NTP time synchronization, real-time port traffic statistics, sFlow traffic sampling
• Standalone operation only; horizontal hardware stacking function is exclusive to CBS220 4G 1G uplink series, not available on 4X 10G uplink models
• Dual deployment modes: Standard rack mounting in wiring closets or flat desktop placement
• Fanless silent design fits noise-restricted classrooms, medical clinics and open office spaces
• 10G SFP+ high-speed uplink reserves long-term bandwidth expansion space for enterprise network upgrades

10. Typical Application Scenarios

• Medium-density office PoE workgroups equipped with enterprise VoIP phones and low-power Wi-Fi 5/6 wireless APs
• Large retail shopping centers deploying entry-level PoE+ multi-megapixel surveillance cameras
• School campus main labs and library quiet monitoring zones with silent hardware requirements
• Distributed smart building IoT aggregation for voice intercoms and low-speed wireless gateways
• Future-proof SMB surveillance networks requiring 10G high-speed fiber uplink to core layers
• Cost-optimized converged voice & monitoring networks without high-wattage 60W PoE++ PTZ camera demands

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