Cisco CBS350X-24P-4X Full English Product Description
1. Short Sales Title (For Quotation & E-commerce Listing)
Cisco CBS350X-24P-4X Business 350X Series 24-Port Gigabit Mid PoE+ Fully Managed Layer 3 Switch, Global Standard Version, 195W Total PoE Power Budget, 4 Dedicated 10G SFP+ High-Speed Uplink Slots (4X = four 10G fiber uplinks, distinct from 4G 1G SFP uplink models), Dual-Stack IPv4/IPv6 Dynamic Routing, Enhanced True Stackable, 1RU Rackmount Mid-Density PoE Access Switch with 10G Backbone Uplinks
2. Official Product Overview
The Cisco CBS350X-24P-4X is an enhanced mid-density partial PoE+ enterprise Layer 3 managed switch within the upgraded Cisco Business 350X product lineup, with improved processor performance, faster stacking bandwidth and optimized thermal architecture compared to the base CBS350 generation.
Model suffix breakdown:
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P: 24×10/100/1000BASE-T IEEE 802.3at PoE+ copper ports with shared mid PoE power budget
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4X: Four independent dedicated 10G SFP+ fiber uplink ports for high-bandwidth 10-Gigabit backbone backhaul, clearly differentiated from 4G variants only supporting 1G SFP uplinks.
Designed for medium enterprise multi-floor office wiring closets, small-to-medium retail unified voice & wireless networks, mid-density IP surveillance edge aggregation and branch campus PoE access layers that require high-speed 10G fiber uplinks to core switches. Superior to entry CBS250 smart switches and standard CBS350 models, CBS350X integrates complete enterprise feature set: dynamic RIPv2 Layer 3 routing, enhanced single-IP true stacking (up to 4 CBS350X units), full anti-spoofing security toolkit, sFlow traffic monitoring and comprehensive multicast control.
This mid PoE+ switch combines data transmission and PoE power delivery in a single 1RU rack unit, eliminating external power injectors for standard Wi-Fi 6 APs, entry-level PTZ IP cameras and video VoIP phones. It delivers 24 PoE Gigabit copper ports plus four standalone 10G SFP+ fiber uplinks for long-distance redundant cross-building fiber interconnection. Equipped with a built-in power supply offering a total 195W PoE budget, each port supports up to 30W PoE+ output under configurable power priority scheduling.
Powered by upgraded high-performance ARM chipset with 512MB DRAM and 256MB flash memory, it delivers 128 Gbps non-blocking switching capacity and 95.23 Mpps wire-speed forwarding rate for 64-byte frames, paired with a 1.5MB enhanced shared packet buffer to eliminate congestion under mass PoE endpoint traffic, bulk file transfers and multi-stream 4K surveillance backhaul over 10G fiber links. Intelligent variable-speed fan cooling guarantees stable 24/7 continuous rack operation in office equipment rooms, retail server racks and campus wiring closets.
3. Port & Mid PoE Hardware Specifications
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24 × 10/100/1000BASE-T RJ45 ports, IEEE 802.3at PoE+ compliant, max 30W power output per port
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Integrated internal power supply, total PoE power budget: 195W Mid PoE
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4 × dedicated 10G SFP+ uplink slots (fiber-only non-combo design, 4X = four 10G high-speed uplink ports, completely separated from 4G 1G-only SFP uplink 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, copper twinax SFP+)
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Intelligent PoE management suite: time-based PoE scheduling, real-time per-port power monitoring, PoE priority classification, short-circuit, overload and over-temperature auto power cut-off 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 configuration backup & firmware upgrade
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Enhanced true stacking capability: stack up to 4 CBS350X series switches under single IP unified management with improved stack throughput; cross-stack LAG, VLAN, QoS and remote 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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Upgraded intelligent variable-speed multi-fan thermal cooling system for heavy continuous PoE load
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Form Factor: 1RU standard rackmount 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: 2.15 kg (4.74 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 PoE-powered VoIP, multi-stream surveillance video and enterprise business data traffic
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IEEE 802.3ad LACP link aggregation, multiple LAG groups for bandwidth expansion & link redundancy, cross-stack LAG fully supported
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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 video surveillance
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LLDP & LLDP-MED automatic endpoint discovery for PoE IP phones, PTZ 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 network flooding failures over high-volume 10G uplink backbones
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Enterprise anti-spoofing toolkit: DHCP Snooping, Dynamic ARP Inspection (DAI), IP Source Guard, static IP/MAC/Port Binding
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sFlow traffic monitoring for real-time 10G uplink flow-level bandwidth analysis and network fault troubleshooting
5. Advanced Dual-Stack Dynamic Layer 3 Routing
Far exceeding static-only routing on CBS250 smart switches, CBS350X provides 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 dual-stack 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 fiber-separated multi-floor network segments
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Direct inter-VLAN routing without external routers to reduce core gateway latency and bandwidth load for cross-building 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 captive portal authentication
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Port security, static/dynamic MAC address binding, automatic port shutdown for unauthorized PoE-connected terminals
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Comprehensive DoS attack suppression, hardware accelerated L2-L4 ACL traffic filtering for copper and 10G fiber link access control
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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 separation
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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 copper and SFP+ fiber links
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Dynamic power tuning based on link status to cut unnecessary power consumption
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Port LED dimming or full shutdown mode for unmanned equipment rooms
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Time-based PoE auto power on/off to eliminate idle PoE power draw outside business hours
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Intelligent variable fan speed adjustment to reduce power consumption and noise under light network load
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Optimized upgraded hardware thermal design with balanced heat dissipation 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 offline 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/offline USB firmware upgrade, dual redundant firmware images for reliable zero-downtime upgrades
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SNTP time synchronization, ping & traceroute diagnostic tools, Smartport auto-provisioning templates dedicated for PoE endpoints
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Single IP enhanced stacking management for centralized batch control of up to 4 stacked CBS350X switches
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Fully compatible with Cisco Business Dashboard & Cisco Business Mobile App for unified topology visualization and zero-touch PoE network 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: 1,720,000+ 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 enterprise unified voice-data-wireless access switch with mass standard PoE VoIP phones and Wi-Fi 6 APs, 10G fiber uplink to core layer
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Mid-density retail & factory surveillance system with multiple PoE IP cameras and high-speed 10G fiber backhaul aggregation
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Multi-building branch campus distribution switch with 10G SFP+ fiber interconnection between office and classroom blocks
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Stackable multi-switch scalable SMB network leveraging enhanced true stacking and dynamic Layer 3 routing with high-bandwidth 10G uplink capacity
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Multi-floor office wiring closet PoE aggregation switch supporting mixed IP phone and wireless access point deployments
11. Standard Package Contents
1 × Cisco CBS350X-24P-4X Mid 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 CBS350X-24P-4X is an upgraded global mid-power 24-port Gigabit PoE+ fully managed Layer 3 switch under Cisco Business 350X series, equipped with a 195W mid 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, enhanced high-speed true stacking capability, enterprise anti-spoofing security, full QoS and intelligent variable-speed fan thermal design, it delivers non-blocking reliable Gigabit data and stable PoE power supply for standard IP cameras, Wi-Fi 6 APs and VoIP phones in medium enterprise, retail and campus high-bandwidth core networks, supporting rack/wall/desktop deployment, energy-efficient upgraded hardware and Cisco Limited Lifetime Hardware Warranty.
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