Product Overview
The Cisco WS-C3550-24PWR-SMI Catalyst 3550 is a reliable 24-port Fast Ethernet switch designed to support data and inline power delivery for enterprise networks. Additionally, it provides integrated inline power for IP phones, wireless access points, and other powered devices, reducing the need for separate power sources. This switch supports advanced network services while ensuring stable and secure connectivity for business environments.
Product Features
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24 Fast Ethernet Ports with Inline Power: The switch delivers 10/100 Mbps connectivity while supplying inline power to compatible devices, simplifying network installations.
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Cisco SMI Software Image: It supports essential Layer 2 and basic Layer 3 features, enabling efficient traffic control and network segmentation.
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Quality of Service (QoS): The switch prioritizes voice and video traffic to ensure consistent performance for time-sensitive applications.
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Advanced Security Features: It includes port security, access control lists (ACLs), and authentication support to protect network resources.
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Scalable Network Management: Cisco IOS enables centralized configuration, monitoring, and troubleshooting through CLI and SNMP tools.
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Reliable Hardware Design: The switch offers enterprise-grade reliability with consistent performance under continuous network loads.
Why Choose This Switch?
Organizations choose the Cisco WS-C3550-24PWR-SMI because it combines inline power delivery with dependable Fast Ethernet performance in a single platform. Furthermore, its security, QoS, and management capabilities make it an excellent choice for voice-enabled networks and growing enterprise infrastructures.
Further Advantages
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Simplified Deployment: Inline power reduces cabling requirements and speeds up device installations.
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Cost Efficiency: Centralized power delivery lowers infrastructure and maintenance costs.
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Network Stability: Proven Catalyst architecture ensures reliable operation for business-critical applications.
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Versatile Use Cases: Ideal for offices, classrooms, call centers, and enterprise LAN environments.
Specifications Table
| Specification | Details |
|---|---|
| Model | Cisco WS-C3550-24PWR-SMI |
| Series | Cisco Catalyst 3550 |
| Ports | 24 × 10/100 Fast Ethernet ports |
| Inline Power | Yes |
| Switching Capacity | 13.6 Gbps |
| Forwarding Rate | 10.1 Mpps |
| VLAN Support | IEEE 802.1Q, up to 255 VLANs |
| MAC Address Table | 8,000 entries |
| QoS | Layer 2 QoS for voice and video |
| Security Features | ACLs, port security, authentication |
| Management | Cisco IOS, CLI, SNMP |
| Power Supply | Internal |
| Form Factor | Rack-mountable |
| Dimensions | 1.75 x 17.5 x 16.5 inches |
| Weight | Approx. 11 lbs (5 kg) |
| Warranty | Limited lifetime hardware warranty |

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Daniel Wright –
The Cisco 24-Port Inline Power Switch has been very reliable in our network setup. It delivers consistent power and stable connectivity to all connected devices. Installation was straightforward, and performance has been excellent. A solid solution for PoE requirements.
Emma Richardson –
I’m very pleased with the Cisco 24-Port Inline Power Switch. It powers our IP phones and access points efficiently without any interruptions. Setup was simple, and management is easy. Build quality feels durable and professional.