Cisco SG300-28MP-K9-NA 28 Ports Layer 3 Switch Gigabit Refurbished

In the realm of networking infrastructure, the Cisco SG300-28MP-K9-NA holds a significant position as part of the 300 Series. This managed switch boasts 28 ports, including 24 Power Over Ethernet Plus (PoE+) ports, providing a versatile and powerful solution for various networking needs. Designed to meet the demands of modern networks, this managed switch offers a total of 28 ports, combining various functionalities to enhance connectivity, power distribution, and overall network management.

With 10/100/1000Base-T support, the switch ensures high-speed data transfer across the network. Gigabit Ethernet is crucial for meeting the demands of modern applications, providing a seamless experience for data-intensive tasks and minimizing latency.

The Cisco SG300-28MP-K9-NA is equipped with 28 ports, offering an optimal balance between density and flexibility. Among these ports, 24 support Power Over Ethernet Plus (PoE+), enhancing the switch's capability to deliver both data and power to connected devices. This feature is particularly valuable for applications like IP cameras, VoIP phones, and wireless access points, eliminating the need for separate power sources.

The inclusion of 2 Combo Gigabit Small Form-Factor Pluggable (SFP) ports adds an extra layer of versatility to the Cisco SG300-28MP-K9-NA. These ports enable fiber connectivity, allowing for extended reach and improved performance over traditional twisted pair connections.

Being a managed switch, the SG300-28MP-K9-NA offers advanced management features that empower network administrators. These include VLAN support, Quality of Service (QoS) settings, and security protocols to ensure a secure and efficient network environment.

The 24 PoE+ ports deliver power to connected devices, simplifying the deployment of networked devices in locations where power outlets are scarce. This feature enhances flexibility and reduces the complexity of managing power sources for devices like IP cameras, access points, and phones.

Now that we've covered the key features and specifications, let's explore the tangible benefits that the Cisco SG300-28MP-K9-NA brings to the table:

The PoE+ support eliminates the need for separate power sources, streamlining the deployment of devices such as IP cameras and wireless access points. This not only reduces installation costs but also provides greater flexibility in choosing device locations.

With Gigabit Ethernet support, the SG300-28MP-K9-NA ensures high-speed data transfer, minimizing latency and optimizing the performance of data-intensive applications. This is especially critical in modern business environments where efficient communication is paramount.

The inclusion of Combo Gigabit SFP ports allows for flexible connectivity options, supporting both traditional twisted pair and fiber connections. This adaptability is valuable for accommodating diverse network requirements.

As a managed switch, the SG300-28MP-K9-NA provides administrators with the tools needed to optimize network performance. VLAN support facilitates network segmentation, QoS settings prioritize critical traffic, and advanced security protocols enhance the overall integrity of the network.

The PoE+ functionality not only simplifies installation but also contributes to cost savings by reducing the need for additional power infrastructure. This makes the SG300-28MP-K9-NA an economical choice for businesses looking to maximize their network investments.

The SG300-28MP-K9-NA Cisco Small Business 300 Series 28 Ports Layer 3 Managed Switch is a reliable and high-performance switch designed for small businesses. This switch provides advanced network management capabilities that allow businesses to easily manage and monitor their network performance.

Here are some of the key features of the SG300-28MP-K9-NA:

• Layer 3 Management: This switch supports Layer 3 routing protocols, such as OSPF and RIP, which enables advanced network management capabilities, such as advanced security and quality of service (QoS) controls.
• VLAN Support: This switch supports VLANs, which allows for the segmentation of the network into separate virtual networks. This helps improve network security and performance by limiting the broadcast traffic to specific parts of the network.
• Quality of Service (QoS): The SG300-28MP-K9-NA supports QoS, which allows for prioritization of network traffic based on different criteria, such as application, IP address, and port.
• Port Trunking: This switch supports port trunking, which allows multiple ports to be combined into a single logical link. This increases the available bandwidth and helps to improve network reliability.
• Link Aggregation Control Protocol (LACP): The SG300-28MP-K9-NA supports LACP, which allows multiple physical links to be aggregated into a single logical link, providing increased bandwidth and reliability.
• Management: The SG300-28MP-K9-NA can be managed using a web-based interface or through a command-line interface (CLI). This allows for easy management and configuration of the switch.

The Cisco SG300-28MP-K9-NA finds application in various scenarios, thanks to its versatile features. Some notable use cases include:

The PoE+ ports make this switch an ideal choice for deploying IP cameras in surveillance systems. The single-cable solution simplifies installation and ensures a reliable power source for continuous operation.

In Voice over Internet Protocol (VoIP) networks, the SG300-28MP-K9-NA provides the necessary infrastructure to support IP phones. The PoE+ capability ensures a seamless and reliable power supply for uninterrupted communication.

For wireless networks, the switch's Gigabit Ethernet support and Combo Gigabit SFP ports enable high-speed data transfer and flexible connectivity options, essential for optimizing the performance of wireless access points.

The Cisco SG300-28MP-K9-NA is well-suited for small to medium-sized businesses looking for a cost-effective yet robust networking solution. Its manageable size, advanced features, and PoE+ support cater to the diverse needs of growing enterprises.

Maximizing network performance for the SG300-28MP-K9-NA Cisco Small Business 300 Series 28 Ports Managed Switch involves several steps, including:

• Configuring VLANs: By separating different traffic types into separate VLANs, you can optimize network performance and improve security.
• Using Quality of Service (QoS): This feature allows you to prioritize network traffic based on specific needs and applications, improving network performance and reducing congestion.
• Updating Firmware: Regularly updating the firmware to the latest version ensures that the switch is operating optimally and eliminates potential bugs or security vulnerabilities.
• Monitoring Network Performance: Using the switch's monitoring and management features, you can track and analyze network performance, identify and resolve any potential issues, and optimize the network accordingly.
• Switch Port Configuration: Properly configuring switch ports based on their intended use can help improve network performance by reducing congestion and optimizing network traffic.
• Implementing Link Aggregation: By grouping multiple ports into a single logical link, you can improve network performance by balancing network traffic and increasing bandwidth.
• Power over Ethernet (PoE): If the switch supports PoE, maximizing PoE deployment and ensuring that all connected devices are using the same power levels can improve network performance by reducing power consumption and reducing network congestion.

• Manufacturer: Cisco
• Model Number or SKU# SG300-28MP-K9-NA
• Product Series: 300
• Product Type: Layer 3 Switch

• Total Number of Ports: 28
• Token Ring Port: No
• LRE Port: No
• Bypass: No
• Management Port: Yes
• Number of PoE+ (RJ-45) Ports: 28

• Media Type Supported: Twisted Pair
• Twisted Pair Cable Standard: Category 5
• Ethernet Technology: Gigabit Ethernet
• Network Technology: 10/100/1000Base-T
• MTBF (Mean Time Between Failures): 138,676.92 Hours

• Number of Total Expansion Slots: 2
• Expansion Slot Type: SFP (Small Form-Factor Pluggable)
• Shared SFP Slot: Yes
• Number of SFP Slots: 2

• Layer Supported: 3

Memory

• Standard Memory: 128 MB
• Flash Memory: 16 MB

Power Description

• PoE (RJ-45) Port: Yes
• Input Voltage: 220 V, 110 V
• Power Source: Power Supply

Outline, the Cisco SG300-28MP-K9-NA stands as a reliable and feature-rich solution within the 300 Series of managed switches. Its combination of PoE+ support, Gigabit Ethernet connectivity, and advanced management features make it a versatile choice for various networking applications. Whether used in surveillance systems, VoIP networks, wireless deployments, or small to medium-sized businesses, the SG300-28MP-K9-NA offers a robust and cost-effective solution. By understanding its key features, specifications, benefits, and deployment scenarios, network administrators can make informed decisions when integrating this switch into their infrastructure.