Cisco WS-C3550-48-SMI 48 Port Managed Ethernet Switch – Refurb

The Cisco WS-C3550-48-SMI is a high-performance managed Ethernet switch from the Catalyst 3550 series, designed for enterprise networks requiring reliability, scalability, and advanced management. With 48 × 10/100Base-TX LAN ports and Layer 3 routing capabilities, this refurbished switch delivers robust connectivity for office networks, campus environments, and high-traffic applications.

Built for efficiency and durability, the WS-C3550-48-SMI supports VLAN management, QoS, and multicast features to ensure smooth traffic flow and network segmentation. Its compact 1U form factor, combined with high MTBF and moderate power consumption, makes it ideal for enterprise and data center deployments that need both Layer 2 and Layer 3 functionality.

✔ Key Features & Benefits

✔ 48 × 10/100Base-TX LAN Ports – Reliable connectivity for multiple devices
✔ Layer 2 Managed Switch with Layer 3 Routing – Supports VLANs, QoS, and inter-VLAN routing
✔ Cisco Catalyst 3550 Series – Enterprise-grade reliability and performance
✔ High Forwarding Rate – 10.1 Mpps for 64-byte packets
✔ MAC Address Table – 8,000 addresses for efficient traffic management
✔ Energy Efficient Design – Standard AC input with moderate power consumption

✔ Ideal Uses

✔ Enterprise campus networks
✔ Data center edge or aggregation
✔ High-traffic office network deployments
✔ VoIP and IP phone system integration
✔ Network segmentation with multiple VLANs

✔ Specifications

✔ Condition: Refurbished device with minor scratches and scuffs. Device has been extensively tested and is fully functional.
✔ Manufacturer & Model: Cisco WS-C3550-48-SMI
✔ Switch Type: Layer 2 Managed Ethernet Switch with Layer 3 Routing

✔ Port Configuration:
✔ 48 × 10/100Base-TX LAN Ports
✔ 1 × RJ-45 Console Management Port

✔ Performance:
✔ Switching Fabric: 13.6 Gbps
✔ Forwarding Bandwidth: 6.8 Gbps at Layer 2 and Layer 3
✔ Forwarding Rate: 10.1 Mpps (64-byte packets)
✔ MAC Address Table: 8,000 addresses

✔ Memory & Storage:
✔ Standard Memory: 64 MB
✔ Flash Memory: 16 MB

✔ Connectivity Media Support:
✔ Category 3 & 4 UTP: 10Base-T
✔ Category 5 UTP: 10/100Base-TX

✔ Power:
✔ Input Voltage: 100–127V AC or 110–220V AC
✔ Frequency: 50–60 Hz
✔ Maximum Power Consumption: 110 W

✔ Reliability:
✔ MTBF: 163,000 hours

✔ Physical Specifications:
✔ Form Factor: 1U Rackmount
✔ Dimensions: Standard 19-inch width
✔ Weight: Approx. 12–14 kg

✔ Standards & Compliance:
✔ IEEE 802.1D, 802.1p, 802.1Q, 802.1s, 802.1w, 802.1x, 802.3, 802.3u, 802.3ab
✔ Safety: UL 60950-1, TUV/GS, CE
✔ EMC: FCC Part 15 Class A, EN 55022, EN 55024, CISPR22

✔ Warranty

✔ 6 Month Carry-in Warranty

✔ What’s in the Box

✔ Cisco WS-C3550-48-SMI Switch
✔ Power Cable