CBS350-24T-4G
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Cisco CBS350-24T-4G Managed Switch Overview
The Cisco CBS350‑24T‑4G is a compact, fully managed Gigabit Ethernet switch designed for small to medium-sized businesses. It delivers robust Layer 2/3 features with 24 auto-sensing 10/100/1000 RJ-45 ports and 4 dedicated 1 GbE SFP uplinks. Ideal for office, classroom, or retail deployments, this rack-mountable fanless switch offers silent operation, enterprise-grade security, and seamless integration via Cisco Business Dashboard.
Highlights
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Port Configuration: 24 × 10/100/1000 RJ-45 + 4 × 1 GbE SFP ports
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Switching Power: 56 Gbps switching capacity, 41.66 Mpps forwarding rate
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Layer 2/3 Features: VLANs, static IPv4/IPv6 routing, ACLs, STP/RSTP, link aggregation, QoS
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Silent & Efficient: Fanless design, IEEE 802.3az Energy Efficient Ethernet, typical power ~26 W
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Security & Resilience: DHCP snooping, IP Source Guard, dynamic ARP inspection, IPv6 First Hop Security
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Ease of Management: Manageable via Cisco Business Dashboard, Web GUI, CLI, SNMP, RMON, SSH/HTTPS
Recommended Accessories
| Accessory | Category | Description |
|---|---|---|
| MGBSX1 | SFP Transceiver | 1000BASE-SX multimode fiber, up to 550 m |
| MGBLX1 | SFP Transceiver | 1000BASE-LX/LH single-mode fiber, up to 10 km |
| GLC-SX-MMD | SFP Transceiver | Multimode fiber transceiver, Cisco-compatible |
| GLC-LH-SMD | SFP Transceiver | Single-mode fiber transceiver for long-distance links |
| Rack-Mount Kit | Mounting Hardware | Standard 19″ rack kit (usually included) |
| Spare Power Cable | Cabling | Replacement AC cable for global compatibility |
Comparison with Similar Models
| Feature | CBS350‑24T‑4G | CBS350‑24P‑4G | CBS350‑24FP‑4G |
|---|---|---|---|
| Ports | 24 × 1 GbE + 4 × 1 GbE SFP | 24 × 1 GbE PoE+ + 4 × SFP | 24 × 1 GbE Full PoE + 4 × SFP |
| PoE Capability | None | 370 W total PoE+ | 740 W total PoE |
| Switching Capacity | 56 Gbps | 56 Gbps | 56 Gbps |
| Forwarding Rate | 41.66 Mpps | 41.66 Mpps | 41.66 Mpps |
| Fan & Noise | Fanless, silent | Quiet fan, ~37 dBA | Fan-cooled, higher acoustics |
| Power Consumption | ~26 W | ~34 W (plus PoE power) | ~? |
| Dimensions (W×D×H) | 445 × 240 × 44 mm | 445 × 350 × 44 mm | Same as 24P‑4G |
| Ideal Use Case | Non-PoE, noise-sensitive | Moderate PoE needs | High PoE demand scenarios |
Specifications
| Parameter | Specification |
|---|---|
| Model | Cisco CBS350‑24T‑4G |
| LAN Ports | 24 × 10/100/1000 RJ‑45 auto-sensing; 4 × 1 GbE SFP uplinks |
| Switching Capacity | 56 Gbps full-duplex |
| Forwarding Rate | 41.66 Mpps |
| Packet Buffer | 1.5 MB |
| MAC Address Table | ~16K entries |
| Jumbo Frame Support | Up to 9,000 bytes |
| Layer 2 Features | VLAN, STP/RSTP/MSTP, LAG, IGMP snooping, port-based QoS, traffic policing |
| Layer 3 Features | Static IPv4/IPv6 routing, RIP, PBR, DHCP relay support |
| Security | ACLs, DHCP snooping, IP Source Guard, dynamic ARP inspection, IPv6 First Hop Security |
| QoS & Traffic Management | 8 hardware queues, 802.1p, SPQ, WRR, traffic classification |
| Management Interfaces | Cisco Business Dashboard, Web GUI, CLI, SNMP v1/v2/v3, RMON, Telnet, SSH, NETCONF |
| Monitoring | sFlow, RSPAN, SNMP traps, syslog, mirror port |
| CPU & Memory | 800 MHz ARM CPU, 256 MB DRAM, 256 MB flash |
| Console / USB | 1 × RJ‑45 console port, 1 × USB Type-A |
| Power Supply | Internal 100–240 VAC, 50–60 Hz at ~25.9 W (110 V); ~25.6 W (220 V) |
| Noise & Cooling | Fanless, silent operation |
| MTBF | ~2,026,793 hours |
| Environmental (Operating) | 0 °C to 50 °C, 10–90% RH non-condensing |
| Environmental (Storage) | –25 °C to 70 °C, 10–90% RH non-condensing |
| Certifications | UL, CSA, FCC Class A, USGv6 |
| Dimensions (W×D×H) | 445 × 240 × 44 mm (17.5″ × 9.45″ × 1.73″) |
| Weight | Approx. 2.63 kg (5.8 lb) |
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