Cisco Business CBS220-16P-2G Full English Product Description

1. Product Overview

• 16: 16 × 10/100/1000BASE-T RJ45 PoE access ports
• P: IEEE 802.3at PoE+, up to 30W per port
• 2G: Two dedicated 1G SFP fiber uplink ports for long-distance upstream aggregation
  No desktop "-E" suffix means it adopts standard 19-inch 1RU rack-mount metal chassis with built-in internal universal AC power supply. This web-managed switch delivers wire-speed non-blocking switching with a total 370W PoE budget, supporting IP phones, low-to-medium power Wi-Fi 5/6 APs and multi-megapixel surveillance cameras. Equipped with complete enterprise Layer 2 features, intelligent PoE scheduling and multilayer security, it is an ideal manageable PoE access solution for SMBs with basic IT management requirements.

2. Hardware Port Specifications

• Access Ports: 16 auto-sensing 10/100/1000BASE-T RJ45 PoE+ ports, IEEE 802.3af / 802.3at compliant, Auto MDI/MDI-X, Cat5e/Cat6 compatible
• Total PoE Power Budget: 370W, intelligent dynamic power allocation with user-configurable port power priority
• Uplink Interfaces: 2 × dedicated 1G SFP fiber slots, compatible with 1G fiber transceivers for long-distance uplink to core switches
• Management Interfaces: RJ45 serial console port, HTML5 web management GUI, Bluetooth mobile configuration, SNMP v1/v2c/v3
• LED Indicators: Separate front LEDs for global power, per-port link/activity, 10/100/1000 speed, real-time PoE power draw and PoE overload alarm
• Hardware Reset: Recessed physical reset button to restore factory default configuration
• Cooling Architecture: Fanless passive heat sink design, zero running noise for classrooms, clinics and quiet offices
• Power Supply Mode: Integrated internal wide-range AC PSU (100–240V 50/60Hz), no external DC adapter required

3. Core Performance Parameters

• Switching Capacity: 48 Gbps non-blocking wire-speed switching
• 64-byte Packet Forwarding Rate: 35.71 Mpps
• MAC Address Table: 16,384 MAC entries
• Jumbo Frame Support: Up to 10,240 bytes for large file and 4K surveillance video transmission
• Energy Saving: IEEE 802.3az EEE auto power down for idle links
• Max Full Load Power Consumption: ~490 VA
• Idle Standby Draw: ~32 W

4. Physical & Environmental Specifications

• Form Factor: Standard full-width 1RU 19-inch rack-mount metal chassis, desktop placement optional
• Dimensions (W × D × H): 445 mm × 297 mm × 44 mm
• Net Weight: 2.72 kg (6.00 lb)
• 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)
• Relative Humidity: 10%–90% non-condensing
• Certifications: CE, FCC, UL, RoHS compliant; Cisco limited lifetime hardware warranty

5. Complete Layer 2 Smart Switch Functions

• IEEE 802.1Q VLAN (4094 VLAN IDs), dedicated voice VLAN optimized for IP phone deployments
• Full STP suite: STP, RSTP, MSTP with fast convergence to eliminate Layer 2 broadcast loops
• Static LAG & IEEE 802.3ad LACP link aggregation for uplink bandwidth bundling
• IGMP Snooping v1/v2/v3 + Multicast VLAN Replication to reduce multicast bandwidth waste for IPTV and multi-camera streams
• Built-in cable diagnostics, hardware port isolation, broadcast storm suppression, automatic idle-port power cut

6. Intelligent PoE+ Power Management

• Auto-detect IEEE 802.3af / 802.3at PD devices to match output wattage without manual setup
• Configurable PoE priority to protect mission-critical PTZ cameras and wireless APs under power overload
• Scheduled PoE power on/off to cut energy consumption during off-business hours
• Real-time global and per-port PoE power monitoring via web UI and front panel indicators
• Multi-layer hardware protection: short-circuit, over-current, over-voltage, over-temperature auto shutdown
• Perpetual PoE maintains power output during switch reboot to avoid offline surveillance devices

7. Enterprise-Grade Network Security

• 802.1X port authentication, MAC authentication and guest VLAN access control
• Port Security with configurable MAC address limits to block MAC flooding attacks
• IPv4/IPv6 ACL for granular inbound/outbound traffic filtering
• Secure management: HTTPS web UI, SSH console, SNMPv3 encrypted transmission
• Anti-spoofing tools: Dynamic ARP Inspection (DAI), IP Source Guard
• Full-port surge protection to prevent hardware damage from faulty Ethernet cables

8. Advanced Hardware QoS Traffic Prioritization

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

9. Multi-Mode Local & Centralized Management

• Local Management: HTML5 web GUI, RJ45 console CLI, Bluetooth wireless mobile configuration
• Centralized Enterprise Management: Compatible with Cisco Business Dashboard and Cisco DNA Center for cross-site monitoring, batch configuration and firmware upgrades
• Firmware & Config Tools: TFTP/HTTP batch upgrade, one-click backup & restore for single-switch configuration
• Monitoring Utilities: SNMP, NTP time sync, sFlow traffic sampling, real-time port statistics
• Zero-Touch Provisioning (ZTP) supported for mass multi-branch deployment
• Standalone operation only; hardware stacking feature only available on "-4X" 10G uplink models

10. Typical Application Scenarios

• Medium-density office PoE workgroups with VoIP phones and Wi-Fi 5/6 wireless access points
• Retail shopping mall surveillance networks deploying PoE+ multi-megapixel cameras
• School classroom and library quiet managed PoE access layer (fanless silent design)
• Distributed smart building IoT aggregation for video intercoms and wireless gateways
• Medium branch wiring closets requiring managed PoE access and independent Gigabit fiber uplink
• Cost-optimized surveillance networks without high-wattage 60W PoE++ PTZ camera demands

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