High‑Density PoE+ with 10 Gbps Uplinks — Cisco CBS350‑48P‑4X‑CN delivers enterprise‑style performance, scalability, and power over Ethernet connectivity with advanced management and Layer 3 capabilities.
Product Description
The Cisco CBS350‑48P‑4X‑CN is a 48‑port managed Gigabit PoE+ Ethernet switch in the Cisco Business 350 Series designed for modern business networks that demand high‑density powered connectivity and scalable uplink performance. With all 48 access ports supporting PoE+ and a 370 W total power budget, the switch efficiently powers a wide range of edge devices over a single network, simplifying deployments and reducing infrastructure costs.
Model Type: Managed Gigabit Ethernet Switch (Layer 2 + Basic Layer 3)
Category: Cisco Business 350 Series High‑Density PoE+ Switch with 10 Gbps Uplinks
Key Features
• 48 × 10/100/1000 Mbps Gigabit PoE+ Ports – Provides PoE+ (IEEE 802.3af/at) on all 48 access ports with a total PoE power budget of ~370 W, ideal for powering VoIP phones, wireless access points, cameras, and other powered devices directly over Ethernet.
• 4 × 10 Gbps SFP+ Uplink Ports – Four high‑speed fiber uplinks for backbone connectivity, aggregation, or links to core switches, enabling bandwidth‑rich network expansion.
• High Throughput & Performance – 176 Gbps non‑blocking switching capacity with a 130.94 Mpps forwarding rate, ensuring smooth performance under heavy traffic loads.
• Layer 2 + Basic Layer 3 Features – Supports comprehensive VLAN segmentation, static IPv4/IPv6 routing, RIP v2, policy‑based routing (PBR), and inter‑VLAN communication for modern business networks.
• Advanced Security & QoS – Includes features like ACLs, 802.1X authentication, DHCP snooping, IP Source Guard, multicast support, and robust QoS for traffic prioritization and protection.
• Energy Efficient & Flexible Management – Compliant with IEEE 802.3az Energy Efficient Ethernet; manageable through Cisco Business Dashboard, web GUI, CLI, and SNMP for easy configuration and monitoring.
• Rack‑Mountable Design – Standard 1U rack form factor with internal power supply and single fan, suitable for wiring closets, server rooms, or network racks.
Technical Specs at a Glance
| Specification | Details |
|---|---|
| Ports | 48 × Gigabit PoE+ RJ‑45 + 4 × 10 Gbps SFP+ uplinks |
| Total PoE Budget | ~370 W |
| Switching Capacity | 176 Gbps |
| Forwarding Performance | 130.94 Mpps |
| Layer 3 Features | Static IPv4/IPv6 routing, PBR, up to ~990 routes |
| VLAN Support | Up to 4094 VLANs |
| MAC Address Table | ~16,000 entries |
| Packet Buffer | 3 MB |
| CPU | 800 MHz ARM |
| Memory | ~512 MB DRAM + ~256 MB flash |
| Management | Cisco Business Dashboard, web GUI, CLI, SNMP |
| Dimensions | ~445 × 350 × 44 mm (1U rack) |
| Weight | ~5.43 kg |
| Operating Temp | –5 °C to 50 °C |
Typical Use Cases
• Medium to Large Business Access Layer – Provides high‑density PoE+ services to edge devices such as VoIP phones, wireless access points, and cameras.
• Aggregation & Backbone Connections – 10 Gbps uplinks enable high‑speed links to core switches and downstream aggregation.
• VLAN‑Segmented Networks – Supports robust VLAN segmentation with inter‑VLAN routing for business campus networks.
• Managed Enterprise Environments – Security and QoS features help enforce policies and prioritize traffic in multi‑service deployments.
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