Cisco Business CBS110-24PP Full English Product Description

1. Product Overview

• 24: Total 24 Gigabit RJ45 access ports
• PP: Partial PoE design, equipped with 12 IEEE 802.3af PoE ports and total 100W PoE power budget
  No "-D" suffix indicates a standard 19-inch 1RU rack-mount chassis with built-in internal universal power supply, paired with two dual-purpose 1G SFP/RJ45 combo uplink ports for fiber long-distance aggregation. It supplies stable power for entry-level IP phones, low-power Wi-Fi 5 APs and basic surveillance cameras without supporting high-wattage 802.3at PTZ loads. Featuring silent passive heat dissipation, full native Layer 2 feature set, intelligent dynamic PoE control and multi-scenario flexible installation, it delivers economical PoE access for networks without dedicated IT administratorsCisco.

2. Hardware Port Specifications

• Downlink Ports: 24 × auto-sensing 10/100/1000BASE-T RJ45 copper ports, Cat5e/Cat6 compatible, auto MDI/MDI-X
  • PoE-enabled ports: First 12 ports (marked yellow strip), IEEE 802.3af (15.4W max per port)
  • Non-PoE ports: Remaining 12 ports for data-only terminals
• Total PoE Power Budget: 100W, intelligent dynamic power allocation for mixed PoE voice terminals, wireless APs and basic camerasCisco
• Uplink Interfaces: 2 × 1G SFP/RJ45 combo dual-purpose ports; support 1G copper uplink or fiber SFP transceivers for long-distance connection to core aggregation switches
• Management Interfaces: No console port, no Web GUI, no Bluetooth (fully unmanaged plug-and-play hardware)
• LED Indicators: Independent front-panel LEDs for power status, port link/activity, Gigabit speed, real-time per-port PoE power draw and global Max PoE overload alarm
• Hardware Reset Button: No dedicated reset key; power cycle to restore factory default configuration
• Cooling Architecture: Fanless passive heat sink design with zero operational noise, suitable for classrooms, clinics and quiet office environments
• Power Key Note: Integrated internal AC power supply inside chassis (no "-D" external DC adapter suffix)

3. Core Performance Parameters

• Switching Capacity: 48 Gbps non-blocking wire-speed switching
• 64-byte Packet Forwarding Rate: 35.7 Mpps
• Processor: 400 MHz low-power ARM embedded CPU
• System Memory: 64 MB RAM, 8 MB Flash storage, 2 Mbit packet buffer
• MAC Address Table Depth: 8,000 MAC entries
• Jumbo Frame Support: Up to 9216 bytes for 4K surveillance video and large file transmission
• Energy Standard: IEEE 802.3az EEE auto power cut for idle links
• Max Full PoE Traffic Load Power Consumption: ~120 W
• Idle Standby Power Draw: ~30 W
• Input Power: Built-in universal internal PSU, wide AC input 100–240 V 50/60 Hz

4. Physical & Environmental Specifications

• Form Factor: Standard full-width 1RU metal rack-mount chassis, desktop and wall-mount brackets pre-installed
• Dimensions (W × D × H): 445 mm × 280 mm × 44 mm (17.5 × 11.02 × 1.73 inches)
• Net Weight: 2.65 kg (5.84 lb), heavier than non-PoE CBS110-24T variant
• Operating Temperature Range: 0 °C to 50 °C (32 °F to 122 °F), certified for out-of-wiring-closet deploymentCisco
• Storage Temperature Range: -25 °C to 70 °C (-13 °F to 158 °F)
• Relative Humidity: 10%–90% non-condensing humidity for operation and storage
• Extra Design: Kensington lock slot for physical anti-theft protection
• Compliance Certifications: CE, FCC, UL, RoHS compliant; Cisco limited lifetime hardware warranty with advance replacement service

5. Complete Layer 2 Unmanaged Switching Functions

• Transparent IEEE 802.1Q VLAN pass-through, fully compatible with upstream managed VLAN networks
• Full STP/MSTP automatic loop detection to eliminate Layer 2 broadcast flooding and forwarding loops
• IEEE 802.3ad LACP static/dynamic link aggregation pass-through for uplink bandwidth bundling
• IGMP Snooping v1/v2/v3 multicast optimization to reduce bandwidth waste for IPTV and multi-camera surveillance streams
• Auxiliary L2 Tools: Embedded cable diagnostic for short/open cable fault detection, hardware port isolation, broadcast storm suppression, automatic port power saving on link down

6. Intelligent Partial PoE Power Management

• Auto-detect IEEE 802.3af PoE end devices and match output wattage without manual configuration
• PoE priority scheduling to reserve stable power for mission-critical IP phones under power overload conditions
• Custom PoE time schedule to cut power for off-hours devices and reduce overall energy consumption
• Real-time single-port & total PoE power statistics visible via front PoE indicator LEDs
• Multi-layer hardware protection: Short-circuit, over-current, over-voltage and over-temperature thermal shutdown for all 12 PoE RJ45 ports
• Perpetual PoE function retains continuous power delivery during switch reboot to avoid voice terminal offline

7. Enterprise Network Security Suite

• Port MAC address learning limit to block malicious MAC flooding attacks
• Hardware broadcast storm suppression to prevent network paralysis caused by abnormal broadcast packets
• Isolated port broadcast domain to avoid sensitive office terminal data leakage
• Full port surge protection for all 24 RJ45 copper ports to prevent hardware burnout from damaged Ethernet cables

8. QoS Intelligent Traffic Prioritization

• 4 independent hardware priority queues per Gigabit port
• Automatic 802.1p CoS / DSCP traffic classification without manual configuration
• Port-based ingress/egress bandwidth rate limiting and traffic shaping
• Dedicated high-priority forwarding queue for VoIP voice and low-bitrate surveillance video to minimize latency and jitter

9. Multi-Mode Management & Deployment Advantages

• True plug-and-play: Unbox, connect power and Ethernet cables to activate instant connectivity, zero configuration required
• Triple installation modes: Standard rack mounting in wiring closets, flat desktop placement or hidden wall mounting
• Ultra-low power consumption and fully fanless silent design for noise-sensitive classrooms and medical spaces
• Wide temperature tolerance supports deployment in retail kiosks, warehouse auxiliary zones and distributed IoT sites
• Universal cross-brand compatibility with mainstream PC, printer, IP camera and wireless AP hardware
• Compatible with Cisco DNA Center for centralized enterprise monitoring

10. Typical Application Scenarios

• Medium-density office PoE access layer equipped with VoIP phones and low-power Wi-Fi 5 wireless APs
• Chain retail shopping centers and convenience stores deploying entry-level PoE IP cameras and voice terminals
• School campus main labs and library quiet network environments with fanless silent operation
• Distributed smart building IoT aggregation for low-power wireless gateways and voice intercoms
• Cost-optimized small business mixed PoE/non-PoE workstation networks without PTZ high-power camera loads
• Remote satellite branch wiring closets requiring independent 1G combo fiber uplink to core aggregation switches

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