Cisco SG500-28P-K9 28 Ports Ethernet Switch Twisted Pair Refurbished

In the fast-paced world of business and networking, having a reliable and efficient switch is paramount. Cisco, a renowned name in the networking industry, offers the SG500-28P-K9, a 28-port Ethernet Twisted Pair Small Business Switch. In this comprehensive guide, we will delve into the features, benefits, and technical aspects of the Cisco SG500-28P-K9, providing a detailed understanding of its capabilities.

The Cisco SG500-28P-K9 is a high-performance and reliable Ethernet 28 Ports switch that is designed for small and medium-sized businesses.

In terms of performance, the switch has a non-blocking switching fabric, which means that it can handle the full-wire speed on all ports simultaneously without any loss of performance. The switch also supports Quality of Service (QoS) and bandwidth control, allowing you to prioritize certain types of traffic and ensure that critical applications have the bandwidth they need.

In terms of reliability, the switch has several features to ensure that it stays up and running. It has a redundant power supply, which means that if the primary power supply fails, a secondary one will take over without any interruption in service. The switch also has advanced security features, such as 802.1X authentication and access control lists, to protect against unauthorized access and network attacks.

Additionally, the switch supports Cisco's Discovery Protocol and Link Layer Discovery Protocol (LLDP) which allows you to automatically discover and map your network, providing easier troubleshooting and management.

The Cisco SG500-28P-K9 is a 28-port managed Ethernet switch from the Cisco Small Business SG500 series. It is designed for small businesses that are looking for a reliable and easy-to-use switch to power their digital workplace.

The switch provides 28 Gigabit Ethernet ports (24 of which are PoE-enabled) which can be used to connect devices such as computers, servers, and IP phones. Additionally, the switch supports Power over Ethernet (PoE) which allows the devices connected to it to receive power via the Ethernet cable, eliminating the need for an additional power source.

The model also supports advanced features such as Quality of Service (QoS) which allows for prioritization of different types of traffic, and access control lists (ACLs) which can be used to secure the network. The switch has a web-based management interface that allows for easy configuration and monitoring of the switch.

The Cisco SG500-28P-K9 is a Small Business Switch designed to cater to the networking needs of small to medium-sized enterprises. With 28 Ethernet ports and support for twisted pair cables, this switch brings reliability and performance to your network infrastructure.

The switch utilizes Ethernet twisted pair technology, a standard in networking that involves pairing two conductors of a cable together to reduce electromagnetic interference. This ensures a stable and efficient data transfer within the network.

The SG500-28P-K9 boasts 28 Ethernet ports, providing ample connectivity options for various devices in your network. Each port is strategically designed to handle data traffic efficiently, making it suitable for businesses with growing network requirements.

One standout feature of this switch is its Power over Ethernet capability. With PoE support, the switch can deliver power to connected devices such as IP cameras, VoIP phones, and access points through the Ethernet cable, eliminating the need for additional power sources.

Cisco understands the importance of prioritizing certain types of data in a network. The SG500-28P-K9 incorporates Quality of Service mechanisms, allowing you to prioritize critical data, and ensuring a seamless and efficient flow of information.

Security is a top priority in any network. This Cisco switch offers advanced security features such as access control lists (ACLs), secure management, and protection against various network threats. These features contribute to creating a secure networking environment for your business.

As the transition to IPv6 becomes increasingly important, the SG500-28P-K9 is equipped to support this latest version of the Internet Protocol. This ensures future-proofing for your network infrastructure.

Understanding the technical specifications is crucial for assessing the performance of the switch. The SG500-28P-K9 offers a certain switching capacity and speed, allowing you to gauge its suitability for your business requirements.

The switch operates at a specific layer in the OSI model. Understanding the supported layers is essential for compatibility with other networking equipment. The SG500-28P-K9 provides support for multiple layers, ensuring flexibility in network design. This small business switch supports both Layer 2 and Layer 3 functionality. Layer 2 functions include Ethernet switching, VLAN support, and Quality of Service (QoS), while Layer 3 capabilities involve IP routing and inter-VLAN routing. This versatility makes the SG500-28P-K9 suitable for a wide range of network configurations.

Use Cases in Small Business Environments

The Cisco SG500-28P-K9 is specifically designed for small businesses. Explore real-world scenarios and applications where this switch can make a significant impact on the efficiency and productivity of a small business network.

Scalability and Future Expansion

As businesses grow, so do their networking needs. Assess the scalability of the SG500-28P-K9 and understand how it can accommodate future expansions in terms of devices, data traffic, and overall network complexity.

Comparative Analysis

In a market filled with networking solutions, it's essential to understand how the Cisco SG500-28P-K9 stands against alternative products. A comparative analysis will highlight the strengths and unique features that set this switch apart from the competition.

• Manufacturer: Cisco
• Model Number or SKU# SG500-28P-K9
• Product Series: 500
• Product Type: Ethernet Switch

• Total Number of Network Ports: 24
• Number of PoE (RJ-45) Ports: 24
• Stack Port: Yes
• Number of Network (RJ-45) Ports: 24

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

• Number of Total Expansion Slots: 4
• Number of SFP Slots: 4

• Layer Supported: 2

• Manageable: Yes
• Management Options: DHCP, CLI, GUI, VLAN, QoS, SNMP
• Features:
• Flow control
• Layer 2 switching
• VLAN support
• IPv6 support
• Spanning Tree Protocol (STP) support
• Rapid Spanning Tree Protocol (RSTP) support
• Multiple Spanning Tree Protocol (MSTP) support
• Access Control List (ACL) support
• Quality of Service (QoS)
• Reset button
• LACP support
• Energy Efficient Ethernet
• Dynamic VLAN Support (GVRP)

• IEEE 802.3, IEEE 802.3u, IEEE 802.3z, IEEE 802.1D, IEEE 802.1Q, IEEE 802.3ab, IEEE 802.1p, IEEE 802.3af, IEEE 802.3x, IEEE 802.3ad (LACP), IEEE 802.1w, IEEE 802.1x, IEEE 802.1s, IEEE 802.3at, IEEE 802.3az

• Standard Memory: 256 MB
• Flash Memory: 32 MB

• PoE (RJ-45) Port: Yes
• Input Voltage: 110 V AC, 220 V AC
• Power Source: Power Supply
• Redundant Power Supply: No

• Min Operating Temperature: 32 °F
• Max Operating Temperature: 104 °F
• Humidity Range Operating: 10 - 90% (non-condensing)
• Min Storage Temperature: -4 °F
• Max Storage Temperature: 158 °F
• Humidity Range Storage: 10 - 90% (non-condensing)

Outline, the Cisco SG500-28P-K9 28-Port Ethernet Twisted Pair Small Business Switch is a robust solution for businesses seeking a reliable and feature-rich networking infrastructure. From its power over Ethernet support to advanced security features, this switch caters to the diverse needs of small to medium-sized enterprises. By understanding its features, technical specifications, and real-world applications, businesses can make informed decisions to enhance their networking capabilities and support future growth.