Cisco CBS350-24FP-4X Full English Product Description
1. Short Sales Title (For Quotation & E-commerce Listing)
Cisco CBS350-24FP-4X Business 350 Series 24-Port Gigabit Full PoE+ Fully Managed Layer 3 Switch, Global Standard Version, 370W Full PoE Power Budget, 4 Dedicated 10G SFP+ High-Speed Uplink Slots, Dual-Stack IPv4/IPv6 Dynamic Routing, True Stackable, 1RU Rackmount Mid-Density High-Power PoE Aggregation Switch
2. Official Product Overview
The Cisco CBS350-24FP-4X is a global high-power full PoE+ enterprise-class fully managed Layer 3 switch within Cisco Business 350 portfolio. The suffix FP stands for Full PoE+ with a maximum 370W total PoE power pool, supporting all 24 copper ports to deliver full 30W IEEE 802.3at PoE+ output simultaneously without power allocation limits. The suffix 4X denotes four standalone 10G SFP+ uplink ports (10-Gigabit fiber high-speed backhaul), clearly differentiated from 4G models equipped with only 1G Gigabit SFP uplinks.
Superior to entry-level CBS250 smart switches, the CBS350 platform delivers complete enterprise-grade managed capabilities: dynamic RIPv2 Layer 3 routing, true stacking (up to 4 units), comprehensive anti-spoofing security suite, sFlow traffic analytics and advanced multicast control. This model integrates data transmission and high-output PoE power supply in one 1RU rack unit, eliminating external power injectors for power-hungry Wi-Fi 6/6E APs, PTZ 4K IP cameras and multi-line video VoIP phones, designed for medium-to-large office unified voice-video-wireless networks, retail full surveillance backhaul and multi-floor campus PoE access environments worldwide.
It features 24 IEEE 802.3at PoE+ Gigabit RJ45 access ports plus 4 independent dedicated 10G SFP+ uplink slots for long-distance high-speed cross-building or cross-branch fiber interconnection, delivering 24 Gigabit copper access ports + 4×10G uplinks for scalable high-bandwidth backbone deployment. Powered by high-performance ARM processor with 512MB DRAM and 256MB flash memory, it provides 128 Gbps non-blocking switching capacity and 95.23 Mpps wire-speed forwarding rate for 64-byte frames, paired with a 1.5MB shared dynamic packet buffer to eliminate congestion under concurrent multi-camera 4K streaming, bulk storage file transfers and cross-site video conferences. Optimized thermal cooling ensures stable 24/7 rack deployment in equipment rooms, retail server rooms and campus wiring closets.
3. Port & High-Power Full PoE Hardware Specifications
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24 × 10/100/1000BASE-T RJ45 ports, fully IEEE 802.3at PoE+ compliant, maximum 30W power output per single port
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Integrated internal power supply, total PoE power budget: 370W Full PoE
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4 × dedicated 10G SFP+ uplink slots (fiber-only non-combo design, 4X = four 10G high-speed uplink ports, distinct from 4G 1G SFP models)
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Supported Cisco transceivers: Gigabit SFP (MGBSX1/MGBLX1/MGBLH1/MGBT1), 10G SFP+ (SFP-10G-SR, SFP-10G-LR, SFP-10G-LX)
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Intelligent PoE management suite: time-based PoE scheduling, real-time per-port power monitoring, PoE priority queue configuration, short-circuit & overload auto-cutoff protection
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Switching Capacity: 128 Gbps Non-Blocking
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Forwarding Rate (64-byte packets): 95.23 Mpps
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Shared Packet Buffer: 1.5 MB
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MAC Address Table: 16K entries; Jumbo Frame support up to 9000-byte MTU
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Dual console ports: RJ45 serial console + mini USB port for offline local CLI configuration
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Front-panel USB Type-A port for offline config backup & firmware upgrade
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True stacking capability: stack up to 4 CBS350 series switches under single IP unified management; cross-stack LAG, VLAN, QoS and port mirroring fully supported
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Universal internal AC power supply: 100–240V 50/60Hz global standard power cord
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Optimized thermal cooling design for continuous 1RU rack operation
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Form Factor: 1RU standard chassis, support rack mount, wall mount and desktop placement
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Dimensions: 445 × 288 × 44 mm (17.5 × 11.33 × 1.73 inches)
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Weight: 2.32 kg (5.11 lbs)
4. Comprehensive Layer 2 Switching Functions
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Up to 4096 IEEE 802.1Q tagged VLANs, port-based VLAN, voice VLAN, guest VLAN, private VLAN, dedicated management VLAN
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8 priority egress queues with Strict Priority / WRR / SPQ QoS scheduling to prioritize VoIP, surveillance video and business data traffic
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IEEE 802.3ad LACP link aggregation, multiple LAG groups for bandwidth expansion & link redundancy, cross-stack LAG support
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IGMP Snooping v1/v2/v3 with built-in IGMP Querier, supporting up to 1024 multicast groups for IPTV and mass IP surveillance
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LLDP & LLDP-MED automatic endpoint discovery for IP phones, cameras and wireless APs
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Port mirroring, VLAN mirroring, RSPAN remote mirroring, RSTP/MSTP/PVST+ spanning tree, BPDU Guard, Root Guard, Loop Guard
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Broadcast/multicast/unicast storm control to prevent fiber link flooding failures
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Enterprise anti-spoofing toolkit: DHCP Snooping, Dynamic ARP Inspection (DAI), IP Source Guard, IP/MAC/Port Binding (IPMB)
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sFlow traffic monitoring for real-time 10G uplink bandwidth analysis and network fault troubleshooting
5. Advanced Dual-Stack Dynamic Layer 3 Routing
Far exceeding static-only routing on CBS250 smart switches, CBS350 supports full wire-speed Layer 3 forwarding:
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Dynamic routing protocol: RIPv2 for IPv4
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Up to 990 IPv4 static routes, 990 IPv6 static routes, 128 Layer 3 VLAN interfaces
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Native IPv4 & IPv6 wire-speed forwarding, CIDR aggregation, full IPv6 first-hop security (ND Inspection, RA Guard)
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Built-in IPv4 DHCP Server & DHCP Relay with Option 82, UDP relay functionality
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Policy-Based Routing (PBR) for flexible traffic steering across segmented workgroups
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Direct inter-VLAN routing without external routers to reduce core gateway latency and bandwidth load for high-volume 10G backbone traffic
6. Enterprise-Grade Multi-Layer Security Suite
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IEEE 802.1X port-based authentication with RADIUS/TACACS+ centralized access control, web-based authentication
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Port security, static/dynamic MAC address binding, automatic port shutdown for unauthorized terminals
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Comprehensive DoS attack suppression, hardware accelerated L2-L4 ACL traffic filtering
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Encrypted management channels: HTTPS web GUI, SSH multi-privilege CLI, SCP file transfer, SNMPv3 secure remote monitoring
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Persistent syslog event logging, built-in cable diagnostic tools, mandatory password complexity policy
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Independent guest network isolation, Private VLAN Edge (PVE) for client isolation
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Secure boot, encrypted configuration file storage, IPv6 ND Inspection & RA Guard to block IPv6 fiber link spoofing attacks
7. Energy-Saving Green Technologies
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IEEE 802.3az Energy Efficient Ethernet (EEE): auto power reduction for idle Ethernet/SFP+ links
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Dynamic power tuning based on link status to cut unnecessary power loss
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Port LED dimming or full shutdown mode for unmanned fiber wiring closets
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Time-based PoE auto power on/off to eliminate idle power consumption outside business hours
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Low-power optimized hardware design with minimal heat generation and extended service lifespan
8. Multi-Mode Local & Remote Management
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Intuitive graphical web management interface (HTTP/HTTPS) with basic & advanced operation modes
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Dual offline local console access: serial RJ45 + mini USB port for CLI configuration
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SSH secure remote command line management with multi-user privilege levels (1 / 7 / 15)
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SNMP v1/v2c/v3 compatible with third-party network monitoring platforms, native sFlow support
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TFTP/SCP/offlineline USB firmware upgrade, dual firmware images for reliable zero-downtime upgrades
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SNTP time synchronization, ping & traceroute diagnostic tools, Smartport auto-provisioning templates
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Single IP stacking management for centralized batch control of up to 4 stacked CBS350 switches
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Fully compatible with Cisco Business Dashboard & Cisco Business Mobile App for unified topology visualization and zero-touch deployment
9. Physical & Environmental Parameters
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Operating Temperature: -5°C to 50°C; Storage Temperature: -25°C to 70°C
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Operating Humidity: 10%–90% non-condensing relative humidity
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Global compliance standards: CE, RoHS, UL, FCC Class A
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MTBF: 909,838 hours at 25°C ambient temperature
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Warranty: Cisco Limited Lifetime Hardware Warranty
10. Typical Deployment Scenarios
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Medium-to-large enterprise unified voice-data-wireless access switch with mass high-power Wi-Fi 6 PoE APs and video VoIP phones
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Shopping mall & factory mid-density surveillance core switch with dozens of full-power PoE PTZ IP cameras and 10G fiber uplink aggregation
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Global multi-building campus distribution switch with high-speed 10G SFP+ fiber interconnection between buildings
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Large retail headquarters PoE core switch connecting in-store monitoring cameras and full wireless coverage via 10G backbone
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Stackable multi-switch scalable SMB network leveraging true stacking and dynamic Layer 3 routing with high-bandwidth 10G uplink capacity
11. Standard Package Contents
1 × Cisco CBS350-24FP-4X Full PoE+ Fully Managed Gigabit Switch (Global Standard Version)
1 × Global standard AC power cord
Rack mounting brackets and installation screws
Quick Start Guide & global regulatory compliance documents
Short Commercial Version (For Product Ads & Listing Titles)
The Cisco CBS350-24FP-4X is a global full PoE+ 24-port Gigabit fully managed switch with a 370W full PoE budget and 4 dedicated 10G SFP+ high-speed fiber uplink ports (4X = four 10G uplink slots, separate from 1G SFP 4G models). Featuring dynamic dual-stack IPv4/IPv6 Layer 3 routing, true stacking capability, enterprise anti-spoofing security, full QoS and optimized thermal design, it delivers non-blocking high-capacity data and stable full 30W per-port PoE power supply for high-power IP cameras, Wi-Fi 6 APs and VoIP phones in medium-to-large business, retail mall and campus high-bandwidth core networks, supporting rack/wall/desktop deployment, energy-efficient hardware and Cisco Limited Lifetime Hardware Warranty.
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