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

In the fast-paced world of modern business, a reliable and efficient network infrastructure is crucial for success. The SG220-50-K9-NA Small Business Smart Plus SG220-50 Model Twisted Pair is a robust solution designed to meet the connectivity needs of small businesses. In this description, we will delve into the key features, specifications, and benefits of this Layer 2 Managed Switch, shedding light on its capabilities and how it can empower your network.

The SG220-50-K9-NA boasts a compact design, making it suitable for small business environments where space efficiency is paramount. The sleek form factor ensures easy integration into existing network setups without compromising on performance.

With a total of 48 Ethernet ports, this switch provides an extensive network backbone, allowing seamless connectivity for a myriad of devices. The abundance of Ethernet ports caters to the growing demands of modern businesses, ensuring no compromise on network accessibility.

To add versatility to its connectivity options, the SG220-50-K9-NA is equipped with 2 Combo Gigabit Small Form-Factor Pluggable (SFP) ports. These ports offer high-speed data transfer and can be used for various applications, including connecting to other switches or network devices using fiber optic cables.

At the core of its functionality, the SG220-50-K9-NA is a Layer 2 Managed Switch. This means it operates at the data link layer, providing intelligent traffic management and enhancing network efficiency. Businesses can experience granular control over their network, ensuring optimal performance.

One standout feature of the Layer 2 management is the ability to segment traffic and support Virtual Local Area Networks (VLANs). This empowers businesses to create isolated network segments, enhancing security and efficiency by controlling broadcast domains.

Efficient traffic prioritization is a key aspect of the SG220-50-K9-NA. Through Quality of Service (QoS) implementation, businesses can ensure that critical applications receive the bandwidth they require, leading to a smoother and more responsive network.

Recognizing the dynamic nature of business environments, the SG220-50-K9-NA comes equipped with 2 expansion slots. These slots provide businesses with the flexibility to expand their network capabilities as demands grow, ensuring a future-proof investment.

The inclusion of SFP ports and expansion slots means compatibility with a variety of Small Form-Factor plugable (SFP) modules. Businesses can tailor the switch to their specific needs, whether it's connecting via copper or fiber optic cables.

Network security is of paramount importance, especially in an era where cyber threats are constantly evolving. The SG220-50-K9-NA incorporates secure access control features, allowing administrators to define and enforce policies to safeguard the network from unauthorized access.

For an additional layer of security, the switch supports MAC-based port security. This feature ensures that only authorized devices are allowed to connect to specific ports, mitigating the risk of unauthorized access and potential security breaches.

Business operations depend heavily on the reliability and performance of the network infrastructure. The SG220-50-K9-NA is designed to deliver robust performance, ensuring low latency and high throughput for a seamless user experience.

To enhance reliability, the switch supports link aggregation, allowing the grouping of multiple ports to create a high-bandwidth connection. This redundancy ensures that even if one link fails, the network remains operational, minimizing downtime and ensuring business continuity.

Cisco SG220-50-K9-NA 220 Series 50 Ports Managed Switch is a versatile and reliable switch that can be used to build small to medium-sized networks. Here are some ways to maximize the network performance of this switch:

• Upgrade Firmware: The first step to maximizing the network performance of the Cisco SG220-50-K9-NA switch is to ensure that the firmware is up-to-date. Firmware updates often include bug fixes, security patches, and new features that can improve the switch's performance and stability.
• Enable Jumbo Frames: Jumbo Frames are larger Ethernet frames that can carry more data in a single packet, reducing the overhead of the network. Enabling Jumbo Frames on the switch and on all devices that will communicate with it can significantly improve network performance.
• Optimize Quality of Service (QoS): QoS is used to prioritize network traffic and ensure that critical applications get the bandwidth they need. Configure QoS on the switch to give higher priority to important applications and lower priority to less important traffic. This can improve network performance by reducing congestion and ensuring that critical applications get the necessary bandwidth.
• Implement Link Aggregation: Link aggregation allows multiple physical links between the switch and other devices to be combined into a single logical link, increasing the bandwidth and improving network redundancy. Implement link aggregation on the switch and on devices that support it to improve network performance.
• Monitor Performance: Use network monitoring tools to monitor the performance of the switch and the network. This can help identify bottlenecks and other issues that may be impacting network performance. By monitoring the network, you can proactively identify and address issues before they cause significant downtime or performance degradation.
• Optimize Spanning Tree Protocol (STP): STP is used to prevent loops in the network, but it can also impact network performance. Optimize STP by adjusting the timers and configuring it to run only on necessary ports. This can help reduce the impact of STP on network performance.
• Use VLANs: VLANs allow you to segment the network into logical groups, improving network security and performance. Implement VLANs on the switch to separate different types of traffic and reduce broadcast traffic. This can help reduce the amount of unnecessary traffic on the network and improve performance.

Power Options and Redundancy

The Cisco SG220-50-K9-NA 220 Series 50 Ports Managed Switch provides several power options and redundancy features to ensure that the switch operates continuously and without interruption. Here are some key power options and redundancy features of the switch:

• AC Power Input: The switch comes with an AC power input, allowing you to connect the switch to a standard electrical outlet. The switch supports a wide range of input voltages, making it suitable for use in different countries and regions.
• Power over Ethernet (PoE): The switch supports PoE and PoE+ standards, allowing you to power PoE-enabled devices like IP phones, access points, and cameras directly from the switch. This eliminates the need for separate power supplies for these devices and simplifies cabling.
• Redundant Power Supply (RPS) Support: The switch supports RPS, allowing you to connect an external RPS unit to the switch to provide redundancy in case of a power supply failure. The RPS unit provides backup power to the switch, ensuring that it continues to operate without interruption.
• Power Management: The switch provides various power management features to reduce power consumption and lower operating costs. For example, the switch supports Energy Efficient Ethernet (EEE) and IEEE 802.3az standards, which reduce power consumption during periods of low network activity.
• Fanless Design: The switch features a fanless design, which reduces noise and improves reliability by eliminating a common point of failure.

These are some of the power options and redundancy features provided by the Cisco SG220-50-K9-NA 220 Series 50 Ports Managed Switch. By leveraging these features, you can ensure that your network operates continuously and without interruption, even in the event of a power supply failure. It is important to note that the specific power options and redundancy features may vary depending on the model and configuration of the switch.

• Manufacturer: Cisco
• Model Number or SKU# SG220-50-K9-NA
• 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 general, the SG220-50-K9-NA Small Business Smart Plus SG220-50 Model Twisted Pair is a powerful solution for small businesses seeking to enhance their network connectivity. With its abundance of Ethernet ports, versatile SFP options, Layer 2 management capabilities, and emphasis on security and reliability, this switch is a valuable investment for businesses looking to stay connected, competitive, and prepared for future growth. Whether you are establishing a new network or upgrading an existing one, the SG220-50-K9-NA stands as a reliable and feature-rich choice to elevate your small business connectivity to new heights.