Cisco SG220-50-K9 50 Ports L2 Ethernet Switch 2 Combo Refurbished

In the ever-evolving landscape of networking solutions, the SG220-50-K9 Small Business Smart Plus SG220-50 Model stands out as a noteworthy player. This Layer 2 Managed 50 Ports Switch, equipped with 48 Ethernet ports and 2 Combo Gigabit Small Form-Factor Pluggable (SFP) Ports, along with 2 Expansion Slots, is designed to cater to the dynamic needs of small businesses. In this comprehensive review, we delve into the intricate details of the SG220-50-K9, exploring its key features and the advantages it brings to the table.

The SG220-50-K9 is a part of the Small Business Smart Plus series, renowned for its reliability and advanced features. Let's begin by understanding the fundamental aspects of this model.

The SG220-50-K9 boasts a compact and sleek design, making it suitable for small office environments where space optimization is crucial. With 48 Ethernet ports and 2 Combo Gigabit SFP Ports, it strikes a balance between port density and flexibility. The 2 Expansion Slots further enhance its adaptability to evolving network requirements.

Being a Layer 2 Managed Switch, the SG220-50-K9 provides a robust foundation for network management. This means it operates at the data link layer, facilitating efficient communication between devices within the same network. The management capabilities empower administrators to exercise control over network traffic, enhancing security and performance.

To truly appreciate the SG220-50-K9, it's essential to explore the standout features that set it apart from conventional switches.

The inclusion of 48 Ethernet ports ensures a high level of connectivity, allowing numerous devices to be seamlessly integrated into the network. Whether it's computers, printers, or other peripherals, the SG220-50-K9 ensures a reliable and fast connection for each device.

In addition to the Ethernet ports, the SG220-50-K9 features 2 Combo Gigabit SFP Ports. These Small Form-Factor Pluggable (SFP) Ports offer flexibility in connecting to fiber-optic or copper-based networks. This versatility is invaluable in scenarios where different types of connections are required.

The 2 Expansion Slots of the SG220-50-K9 are pivotal in future-proofing your network infrastructure. These slots allow for the integration of additional modules, such as Power over Ethernet (PoE) modules or stacking modules, enabling the switch to adapt to evolving business needs without a complete overhaul.

The Layer 2 management capabilities of the SG220-50-K9 empower administrators with granular control over network traffic. This includes features such as VLAN (Virtual Local Area Network) support, which enables the segmentation of the network for enhanced security and efficient traffic management.

To ensure optimal performance for critical applications, the SG220-50-K9 incorporates Quality of Service (QoS) features. These features prioritize certain types of network traffic, guaranteeing a consistent and reliable experience for bandwidth-intensive applications like video conferencing or VoIP (Voice over Internet Protocol).

Now that we've explored the features of the SG220-50-K9, let's delve into the practical advantages it offers to small businesses.

The high port density of 48 Ethernet ports ensures that numerous devices can be connected simultaneously, promoting seamless communication and collaboration. This is especially beneficial for small businesses with a growing number of networked devices.

The 2 Combo Gigabit SFP Ports provide the flexibility to connect the switch to different types of networks, whether it's fiber-optic for long-distance connections or copper-based for shorter distances. This versatility ensures that the switch can adapt to the specific connectivity requirements of the business.

The 2 Expansion Slots are a strategic investment in future-proofing the network infrastructure. As business needs evolve, the SG220-50-K9 can accommodate additional modules, enabling scalability without the need for a complete network overhaul.

The Layer 2 management capabilities empower administrators with the tools needed to effectively manage network traffic. This includes VLAN support, which enhances security by logically segmenting the network, and other management features that contribute to a stable and secure network environment.

Quality of Service (QoS) features ensure that critical applications receive the necessary bandwidth to operate smoothly. This is crucial for small businesses relying on bandwidth-intensive applications like video conferencing and VoIP, where a consistent and reliable connection is paramount.

To better understand the practical applications of the SG220-50-K9, let's explore some common use cases and scenarios where this Layer 2 Managed Switch excels.

The SG220-50-K9 is well-suited for office environments where a multitude of devices, including computers, printers, and other peripherals, need to be connected to the network. The high port density and management features ensure efficient communication and resource sharing among devices.

For growing small businesses, the scalability offered by the 2 Expansion Slots is a valuable asset. As the business expands and introduces new network requirements, the SG220-50-K9 can seamlessly accommodate additional modules, eliminating the need for a complete network overhaul.

The 2 Combo Gigabit SFP Ports make the SG220-50-K9 adaptable to different networking environments. Whether the business requires long-distance fiber-optic connections or shorter-distance copper-based connections, the switch can flexibly meet these diverse connectivity needs.

The Quality of Service (QoS) features of the SG220-50-K9 make it an ideal choice for businesses heavily reliant on video conferencing and VoIP. By prioritizing the bandwidth for these critical applications, the switch ensures a seamless and uninterrupted communication experience.

Maximize Network Performance of 220 Series Switch

To maximize network performance of a SG220-50-K9 Cisco 220 Series 50 Ports Managed Switch, you can:

• Configure VLANs to segment the network traffic and improve network performance.
• Enable jumbo frames to reduce the number of packets and increase network efficiency.
• Utilize Quality of Service (QoS) to prioritize network traffic and manage bandwidth.
• Enable Spanning Tree Protocol (STP) to prevent network loops.
• Utilize Link Aggregation Control Protocol (LACP) for port aggregation to increase bandwidth.
• Update the firmware to ensure that the switch is running the latest version with bug fixes and performance enhancements.

• Manufacturer: Cisco
• Model Number or SKU# SG220-50-K9
• Product Line: Smart Plus
• Product Series: 220
• Product Model: SG220-50
• Product Name: 50-Port Gigabit Smart Plus Switch
• Product Type: Ethernet Switch

• Total Number of Network Ports: 50
• Management Port: Yes
• Token Ring Port: No
• Stack Port: No
• LRE Port: No
• Bypass: No
• USB: No
• Number of Network (RJ-45) Port: 50-Ports
• Port/Expansion Slot Details: 50 x Gigabit Ethernet Network
• Port/Expansion Slot Details: 2 x Gigabit Ethernet Expansion Slot

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

• Number of Total Expansion Slots: 2
• Expansion Slot Type: SFP
• Shared SFP Slot: Yes
• Number of SFP Slots: 2

• Layer Supported: 2

• Manageable: Yes
• Management-
• Web Based Management
• CLI

Power Description

• PoE (RJ-45) Port: No
• Input Voltage: 120 V AC
• Input Voltage: 230 V AC
• Power Source: Power Supply

In summary, the SG220-50-K9 Small Business Smart Plus SG220-50 Model is a formidable Layer 2 Managed Switch that caters to the networking needs of small businesses. With its 48 Ethernet ports, 2 Combo Gigabit SFP Ports, and 2 Expansion Slots, this switch strikes a balance between connectivity, versatility, and scalability. Its Layer 2 management capabilities, coupled with Quality of Service (QoS) features, make it a reliable choice for optimizing network performance and ensuring the seamless operation of critical applications.

By understanding the features, benefits, and practical applications of the SG220-50-K9, businesses can make informed decisions about incorporating this switch into their network infrastructure. The installation and configuration process, along with troubleshooting and support options, further contribute to a positive user experience. As small businesses continue to evolve, the SG220-50-K9 stands as a reliable and adaptable networking solution, facilitating growth and efficiency in an increasingly connected world.