Cisco CBS350X-10NU-2X Full English Product Description
1. Short Sales Title (For Quotation & E-commerce Listing)
Cisco CBS350X-10NU-2X Business 350X Series 10-Port 10GBase-T Non-PoE Fully Managed Layer 3 Compact Switch, Global Standard Version, 2 Dedicated 10G SFP+ High-Speed Uplink Slots (2X = dual 10G fiber uplinks), Dual-Stack IPv4/IPv6 Dynamic Routing, True Stackable, Fanless Desktop/Rackmount Compact 10G Workgroup Aggregation Switch
2. Official Product Overview
The Cisco CBS350X-10NU-2X is a compact small-form-factor all-10G non-PoE fully managed Layer 3 switch within the Cisco Business 350X high-speed switch portfolio.
Model suffix breakdown:
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NU: 10×10GBase-T Non-PoE Unmanaged copper access ports (managed switch hardware, zero PoE power delivery)
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2X: Two independent dedicated 10G SFP+ fiber uplink slots for 10-Gigabit high-bandwidth backbone interconnection, differentiated from 2G Gigabit SFP uplink variants.
Designed for small studio video editing workgroups, remote branch office high-performance desktop aggregation, mini server room NAS storage backhaul and compact fiber surveillance edge environments without PoE-powered endpoints. It delivers full enterprise-class Layer 3 managed features absent from entry CBS250 smart switches: dynamic RIPv2 IPv4 routing, single-IP true stacking (up to 4 CBS350X units), complete anti-spoofing security toolkit, sFlow flow monitoring and full multicast traffic control. Fanless passive heat sink design delivers silent operation ideal for offices, editing rooms and quiet mini equipment racks.
It equips 10×10GBase-T RJ45 copper access ports plus 2 standalone dedicated 10G SFP+ fiber uplink slots, providing 12 total wire-speed 10G interfaces for mixed copper desktop and long-distance fiber backbone deployment. Powered by high-performance ARM processor with 512MB DRAM and 256MB flash memory, it delivers 240 Gbps non-blocking switching capacity and 178.56 Mpps wire-speed forwarding rate for 64-byte frames, paired with a 1.5MB shared dynamic packet buffer to eliminate congestion under low-latency 4K video editing, bulk multi-TB storage transfers and small-scale fiber surveillance streaming traffic. Passive cooling eliminates fan noise for 24/7 continuous quiet deployment.
3. Port & Hardware Specifications
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10 × 10GBase-T RJ45 copper access ports, auto-negotiate 10G/5G/2.5G/1G/100M, No PoE support
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2 × dedicated 10G SFP+ uplink slots (fiber-only non-combo design, 2X = dual 10G high-speed uplink ports, distinct from 2G 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, copper twinax SFP+)
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No built-in PoE power module
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Switching Capacity: 240 Gbps Non-Blocking
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Forwarding Rate (64-byte packets): 178.56 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 CBS350X series switches under single IP unified management; 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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Fanless passive heat sink thermal design, zero operational noise
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Form Factor: Compact half-width 1RU rackmount chassis, supports rack mount, wall mount and desktop placement
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Dimensions: 265 × 240 × 44 mm (10.43 × 9.45 × 1.73 inches)
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Weight: 1.32 kg (2.91 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 low-latency VoIP, 10G 4K surveillance video and high-volume 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 small-scale fiber IP surveillance
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LLDP & LLDP-MED automatic endpoint discovery for 10G workstations, fiber-connected cameras and high-speed wireless gateways
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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 high-volume 10G link flooding failures
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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 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 network segments
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Direct inter-VLAN routing without external routers to reduce core gateway latency and bandwidth load for small-scale 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 10G-connected 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 separation
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Secure boot, encrypted configuration file storage to prevent unauthorized configuration tampering, 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 10G 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 compact wiring closets
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Fanless passive cooling eliminates fan power consumption and operational noise
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Low-power optimized hardware 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 for 10G fiber endpoints
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Single IP 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 compact 10G 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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Small studio compact 10G aggregation switch for low-latency 4K video editing workstations and mini NAS storage
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Remote branch office high-speed copper access switch with dual 10G fiber uplinks to headquarters core network
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Mini server room top-of-rack switch for compact all-10G storage and workstation interconnection
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Small industrial fiber monitoring edge switch linking workshop 10G IP cameras to central control room
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Stackable multi-switch scalable small business network leveraging true stacking and dynamic Layer 3 routing for compact high-speed port density expansion
11. Standard Package Contents
1 × Cisco CBS350X-10NU-2X Compact All-10G Non-PoE Fully Managed Switch (Global Standard Version)
1 × Global standard AC power cord
Rack/wall mounting brackets and installation screws
Quick Start Guide & global regulatory compliance documents
Short Commercial Version (For Product Ads & Listing Titles)
The Cisco CBS350X-10NU-2X is a compact global all-10G non-PoE fully managed Layer 3 switch with 10×10GBase-T copper access ports and 2 dedicated 10G SFP+ high-speed fiber uplink ports (2X = dual 10G uplink slots, separate from 1G SFP 2G models). Featuring dynamic dual-stack IPv4/IPv6 Layer 3 routing, true stacking capability, enterprise anti-spoofing security, full QoS and silent fanless passive cooling design, it delivers non-blocking compact high-speed mixed copper-fiber connectivity for small media studios, remote branch offices and mini storage racks, supporting rack/wall/desktop deployment, energy-efficient hardware and Cisco Limited Lifetime Hardware Warranty.
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