Cisco Business CBS220-8T-E-2G Full English Product Description

1. Product Overview

Model Suffix Decoding

• 8: 8×10/100/1000BASE-T copper access ports
• T: Non-PoE RJ45 data ports
• E: Compact desktop / mini rack chassis with external DC power adapter
• 2G: Two dedicated 1G SFP fiber uplink slots for long-distance upstream aggregation

2. Hardware Port Specifications

• Access Ports: 8 × auto-sensing 10/100/1000BASE-T RJ45 copper ports, non-PoE, Auto MDI/MDI-X, Cat5e/Cat6 compatible
• Uplink Ports: 2 × dedicated 1G SFP fiber slots, supports standard 1G SFP transceivers for fiber uplink to core switches/routers
• Management Interfaces: RJ45 console port, embedded web management UI, compatible with Cisco Business Dashboard & mobile app
• LED Indicators: Separate LEDs for power, port link/activity, 10/100/1000Mbps speed and SFP uplink status
• Hardware Reset Button: Dedicated recessed reset button to restore factory default configuration
• Cooling Architecture: Fully fanless passive heat sink, zero running noise for classrooms, clinics and open offices
• Power Mode: Powered by external DC wall adapter (marked "-E"); no integrated internal PSU, zero PoE power budget

3. Core Performance Parameters

• Switching Capacity: 20 Gbps non-blocking wire-speed switching
• 64-byte Packet Forwarding Rate: 14.88 Mpps
• MAC Address Table: 8,192 MAC entries
• Jumbo Frame Support: Up to 10,240 bytes for surveillance video and large file transmission
• Energy Standard: IEEE 802.3az EEE auto power saving for idle links
• Max Full Traffic Power Consumption: ~12 W
• Idle Standby Draw: ~6 W
• Input Power: External 12V DC universal adapter, wide AC input 100–240V 50/60Hz

4. Physical & Environmental Specifications

• Form Factor: Compact mini desktop metal chassis, pre-drilled wall-mount holes at bottom
• Dimensions (W×D×H): 160 mm × 104 mm × 44 mm
• Net Weight: 0.39 kg (0.86 lb), ultra-lightweight for hidden under-desk installation
• Operating Temperature: 0 °C to 50 °C (32 °F–122 °F), approved for out-of-wiring-closet deployment
• Storage Temperature: -25 °C to 70 °C (-13 °F–158 °F)
• Humidity: 10%–90% non-condensing
• Certifications: CE, FCC, UL, RoHS compliant; Cisco limited lifetime hardware warranty

5. Full Layer 2 Smart Switch Feature Set

• IEEE 802.1Q VLAN, up to 4094 VLAN IDs, voice VLAN for IP phone deployment
• Complete STP suite: STP, RSTP, MSTP with fast convergence to eliminate layer 2 loops
• Static & IEEE 802.3ad LACP link aggregation, cross-stack LAG support for mixed CBS220 series
• Multicast Optimization: IGMP Snooping v1/v2/v3, multicast VLAN replication to reduce camera IPTV bandwidth waste
• Auxiliary Tools: Embedded cable diagnostics, port isolation, broadcast/multicast storm suppression, link down auto power cut

6. Exclusive Horizontal Stack Compatibility

• Can stack with other CBS220 2G/4X series switches via SFP uplinks
• Centralized single-IP management for the whole stack, unified firmware upgrade and batch configuration
• Hot-swappable stack members with seamless traffic failover during replacement

7. Enterprise-Grade Network Security

• 802.1X port-based authentication, MAC authentication and guest VLAN access control
• Port Security with configurable MAC address limits to block MAC flooding attacks
• IPv4/IPv6 ACL filtering for fine-grained inbound/outbound traffic access control
• Encrypted Web UI (HTTPS), SSH console, SNMPv3 for secure remote management
• Anti-spoofing: Dynamic ARP Inspection (DAI), IP Source Guard to prevent address spoofing
• Hardware port surge and short-circuit protection for all RJ45 copper ports

8. Advanced QoS Traffic Prioritization

• 4 independent hardware priority queues per Gigabit port
• Automatic 802.1p CoS / DSCP packet classification and mapping
• Strict priority + WRR hybrid scheduling to guarantee low latency for VoIP and real-time surveillance video
• Port ingress/egress bandwidth policing and shaping to avoid single-port congestion

9. Multi-Mode Centralized & Local Management

• Local Management: Intuitive HTML5 web GUI, RJ45 console CLI, cable-free Bluetooth mobile management
• Enterprise Centralized Management: Compatible with Cisco DNA Center and Cisco Business Dashboard for cross-site batch configuration, monitoring and zero-touch provisioning (ZTP)
• Firmware & Config Management: TFTP/HTTP firmware upgrade, one-click full-config backup & restore for single switch or full stack
• Monitoring Tools: SNMPv1/v2c/v3, NTP time synchronization, real-time port statistics, sFlow traffic sampling

10. Typical Application Scenarios

• Small office non-PoE access layer for staff PCs, printers and desktop workstations
• Retail convenience kiosks and self-service terminals for cash registers and non-PoE surveillance cameras
• Home offices, design studios and quiet classroom labs with fanless silent hardware requirements
• Scalable multi-switch stacked small workgroups requiring unified single-IP management
• Remote satellite edge sites with independent 1G fiber uplink to core aggregation switches
• Low-bandwidth distributed IoT sensor deployment without PoE power demand

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