Cisco WS-C3550-12T 10 Port Catalyst Switch
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Cisco WS-C3550-12T 10 Ports Switch Ethernet Catalyst 3550 Refurbished

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Part Number#: WS-C3550-12T
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Short Description:
WS-C3550-12T Catalyst 3550 10 Ports 10/100/1000Base-T Ethernet 2 GBIC based Ethernet EMI Local Area Network (LAN) Switch | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

Product Overview of the Cisco 10 Ports Switch

In the realm of networking, the Cisco WS-C3550-12T 10 Ports Switch holds a significant position, particularly for its advanced features and capabilities. This guide aims to provide a detailed understanding of this 10 Ports switch, focusing on crucial aspects such as media type, cable standards, and Ethernet technologies. Let's delve into the intricacies of the Cisco WS-C3550-12T to unravel its potential for creating efficient and high-performance network infrastructures.

Cisco WS-C3550-12T

The Cisco WS-C3550-12T is a 10-port switch belonging to the Catalyst 3550 series. As a crucial component in network setups, this switch facilitates the seamless flow of data, ensuring a reliable and robust network connection. Its 10 ports make it suitable for various network configurations, from small to mid-sized businesses, enhancing connectivity and data transfer speeds.

Media Type Supported: Twisted Pair

One of the defining features of the Cisco WS-C3550-12T is its support for twisted pair media. Twisted pair cables are a common type of wiring used in network communications. They consist of pairs of insulated copper wires twisted together, reducing electromagnetic interference from external sources. The support for twisted pair media in the Cisco WS-C3550-12T ensures a stable and interference-resistant connection.

Twisted Pair Cable Standard

Within the realm of twisted pair cables, the Cisco WS-C3550-12T adheres to the Category 5 standard. Category 5 (Cat 5) cables are widely used in networking for their ability to transmit data at high speeds. The Cat 5 standard specifies the performance and capabilities of the cable, making it suitable for Gigabit Ethernet and other high-speed data transmission applications.

Ethernet Technology: Gigabit Ethernet

Gigabit Ethernet is a critical aspect of the Cisco WS-C3550-12T's functionality. It represents a significant advancement in Ethernet technology, offering data transfer rates of 1 gigabit per second (Gbps). This high-speed capability is essential for handling bandwidth-intensive tasks and ensuring smooth communication within the network. The Gigabit Ethernet support in the Cisco WS-C3550-12T enhances overall network performance and responsiveness.

Network Technology: 10Base-T, 10/100/1000Base-T

The Cisco WS-C3550-12T supports a range of network technologies, including 10Base-T and 10/100/1000Base-T. Let's explore each of these network technologies to gain a comprehensive understanding of their significance.


10Base-T is a network technology that operates at 10 megabits per second (Mbps) over twisted pair cables. It was one of the earliest Ethernet standards and is still relevant in certain network environments. The Cisco WS-C3550-12T's support for 10Base-T ensures compatibility with older devices and networks, making it versatile in various deployment scenarios.


The 10/100/1000Base-T technology, often referred to as Gigabit Ethernet, supports data transfer rates of 10, 100, and 1000 megabits per second over twisted pair cables. This versatile technology allows the Cisco WS-C3550-12T to adapt to different network speeds, providing flexibility in network configurations. Whether it's handling basic data transfer or supporting bandwidth-intensive applications, the 10/100/1000Base-T capability ensures optimal performance.

Benefits of Cisco WS-C3550-12T in Network Deployments

Now that we've delved into the technical specifications of the Cisco WS-C3550-12T, let's explore the practical benefits it brings to network deployments.

Enhanced Connectivity

With 10 ports, the Cisco WS-C3550-12T significantly enhances connectivity within a network. This is particularly valuable in scenarios where multiple devices need to communicate simultaneously, such as in office environments or data centers.

High-Speed Data Transfer

The Gigabit Ethernet support and compatibility with 10/100/1000Base-T technology ensure high-speed data transfer within the network. This is crucial for tasks that demand rapid data exchange, such as file transfers, video streaming, and online collaboration.

Versatility in Network Configurations

The support for various network technologies, including 10Base-T and 10/100/1000Base-T, provides versatility in network configurations. The Cisco WS-C3550-12T can seamlessly integrate with different devices and network environments, offering adaptability to diverse networking requirements.

Reliable Performance

The adherence to Category 5 twisted pair cable standards and the incorporation of advanced Ethernet technologies contribute to the Cisco WS-C3550-12T's reliable performance. This reliability is essential for maintaining a stable network connection and minimizing downtime.

Considerations for Deployment

Before deploying the Cisco WS-C3550-12T in a network, it's essential to consider certain factors to ensure optimal performance and compatibility.

Network Size and Scale

Assess the size and scale of the network to determine whether the 10 ports offered by the Cisco WS-C3550-12T are sufficient. For larger networks, additional switches or higher port-count models may be required.

Future Expansion

Consider future expansion plans and ensure that the chosen switch can accommodate the growing needs of the network. Upgrading to models with more ports or advanced features may be necessary as the network expands.

Device Compatibility

Verify the compatibility of network devices with the supported media type and cable standards. This ensures seamless integration and prevents issues related to connectivity and data transmission.

Bandwidth Requirements

Evaluate the bandwidth requirements of the network, taking into account the data transfer speeds needed for different applications. This helps in choosing the appropriate network technology and ensuring optimal performance.

General Information about the Cisco WS-C3550-12T

  • Manufacturer: Cisco
  • Model Number or SKU# WS-C3550-12T
  • Product Line: Catalyst
  • Product Series: 3550
  • Product Type: Ethernet Switch

Interfaces/Ports for 10 Ports Ethernet Switch

  • Total Number of Network Ports: 10
  • Number of Network (RJ-45) Ports: 10
  • Port/Expansion Slot Details: 10 x Gigabit Ethernet Network
  • Port/Expansion Slot Details: 2 x Gigabit Ethernet Expansion Slot

Performance of Catalyst C3550 Managed Switch

  • Media Type Supported: Twisted Pair
  • Twisted Pair Cable Standard: Category 5
  • Ethernet Technology: Gigabit Ethernet
  • Network Technology: 10Base-T, 10/100/1000Base-T

I/O Expansions

  • Number of Total Expansion Slots: 2
  • Expansion Slot Type: GBIC
  • Number of GBIC Slots: 2

Management & Protocols

  • Manageable: Yes
  • Management: SNMP, Telnet, RMON, CWSI, CLI-based out-of-band, embedded CMS


  • Full Duplex Capability, Uplink, Auto-sensing per device, IP-routing, DHCP Support, Auto-Negotiation, VLAN Support, Manageable, Stackable
  • Standard Memory: 64 MB
  • Flash Memory: 16 MB
Power Description
  • Input Voltage: 110 V AC, 220 V AC

In summary, the Cisco WS-C3550-12T 10 Ports Switch is a powerful networking device that offers a range of features to enhance connectivity and data transfer speeds. Its support for twisted pair media, adherence to Category 5 cable standards, and compatibility with Gigabit Ethernet and various network technologies make it a versatile and reliable choice for network deployments. By understanding the technical specifications and practical benefits of the Cisco WS-C3550-12T, network administrators can make informed decisions to create efficient and high-performance network infrastructures.

Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

About Refurbished Products

Refurbished products are typically refurbished by an Original Manufacturer or an affiliate of the manufacturer or 3rd party facility. This product may have minor blemishes due to normal product usage and doesn't necessarily come with documentation and software unless indicated, but has been well tested and generally has never had any defects.


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