Cisco C9300-48U-E Layer2 Switch
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C9300-48U-E Cisco Catalyst 9300 Managed L3 Ethernet Switch Refurbished

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Part Number#: C9300-48U-E
List Price was: $13750.00
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Short Description:
C9300-48U-E Catalyst 9300 48 Ports UPOE 10/100/1000Base-T Gigabit Ethernet Twisted Pair Layer2 Manageable Ethernet Switch | Made by Cisco | Refurbished

Interface Types of This Product: Switch 48 Port

Product Condition:
Warranty provided by ALLHDD.COM:
90 Days
We are providing specifications below to explain why you should consider purchasing the Cisco 48 Port Switch Networking, including a general overview, performance specifications, relevant images, media files, and technical information about the C9300-48U-E compatibility.

More Information

The Cisco Catalyst 9300 series is a line of fixed configuration access switches designed for enterprise and midsize business networks. The C9300-48U-E model is a 48-port Ethernet switch that is designed for use as an access layer switch in a campus network. It can support a mix of Ethernet protocols, including 10/100/1000Base-T, 100/1000Base-X, and 10GBase-T. It is designed to be stackable, so you can connect multiple switches together to create a single logical switch with increased port density and network capacity. The model is also equipped with a number of advanced features to improve network security, including Cisco TrustSec, which is a framework for providing security at the network layer, and Flexible NetFlow, which is a traffic monitoring and analysis tool that can be used to identify security threats and optimize network performance.

Features and Benefits

The Cisco Catalyst 9300 Series Switches are high-performance switches that are designed to deliver advanced security, IoT, mobility, and cloud capabilities to enterprise and campus networks.

This model is a managed Layer 2 switch that has 48 Gigabit Ethernet ports. It is capable of delivering high-bandwidth connectivity to end devices, as well as support for advanced features such as Quality of Service (QoS), stackability, and network virtualization.

Some key performance features of the C9300-48U-E include:

  • Up to 95 Gbps switching capacity: The model has a high-performance switching fabric that is capable of delivering up to 95 Gbps of switching capacity. This allows it to handle high levels of traffic and support a large number of end devices.
  • Low latency: The model has a low-latency design that helps to minimize delays in data transmission, ensuring that packets are delivered quickly and efficiently.
  • Energy-efficient design: The model has an energy-efficient design that helps to reduce power consumption and lower operating costs. It supports EnergyWise technology, which allows you to monitor and control energy use across the network.
  • Enhanced security: The model has advanced security features that help to protect against cyber threats and vulnerabilities. It supports Cisco's TrustSec technology, which helps to secure the network and protect against unauthorized access.

Benefits of Layer 2 Switch

A Layer 2 switch is a networking device that forwards data at the data link layer (Layer 2) of the OSI model. It uses MAC addresses to forward data frames to the appropriate ports within the same LAN. There are several benefits of using a Layer 2 switch in a network:

  • Reduced Network Congestion: By forwarding data frames only to the intended destination, a Layer 2 switch can reduce network congestion and improve overall network performance.
  • Increased Security: A Layer 2 switch can be configured to limit broadcast traffic and control access to the network based on MAC addresses, which can increase security and help prevent unauthorized access.
  • VLAN Support: Most Layer 2 switches support virtual LANs (VLANs), which allows for the creation of multiple logical networks on a single physical infrastructure. This can improve network segmentation and enhance security.
  • Quality of Service (QoS): Layer 2 switches typically support Quality of Service (QoS) features that allow you to prioritize certain types of traffic, such as voice or video, to ensure that they are delivered with minimal delay and jitter.

General Information about this Cisco C9300-48U-E

  • Manufacturer: Cisco
  • Part Number or SKU# C9300-48U-E
  • Product Line: Catalyst
  • Product Series: 9300
  • Product Type: Ethernet Switch

Interfaces / Ports for Layer2 Ethernet Switch

Performance of 48 Ports Switch

  • Media Type: Supported Twisted Pair
  • Ethernet Technology: Gigabit Ethernet
  • Network Technology: 10/100/1000Base-T

Network & Communication of Manageable Switch

  • Layer Supported: 2

Management & Protocols

  • Manageable: Yes

Power Description

  • Power Source: Power Supply
  • Redundant Power: Supply Supported No

Dimensions & Weight

  • Height: 1.7 Inch
  • Width: 17.5 Inch
  • Depth: 17.5 Inch
  • Weight (Approximate): 17.03 LBS


  • The Catalyst 9300 Series is designed for Cisco StackWise technology, and provids flexible deployment with support for nonstop forwarding with Stateful Switchover, for the most resilient architecture in a stackable solution.

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.

Different Types of Switches

Networking switches vary widely depending on the number of devices they can support, network bandwidth/speed, and form factor. Switches for small offices will have anything between 4 and 8 ports and can fit on a desk. For larger office network implementation, switches may have 24 ports, 48 ports, 96 ports, and 128 ports and are rack-mountable between 1U and 4U. Switches come in different types depending on the network speed and tasks they support. These include 40/100 Gbps, 10 Gigabit (up to 10000 Mbps), Gigabit Ethernet (up to 1000 Mbps), Power over Ethernet, and Fast Ethernet (10/100 Mbps).

Unmanaged Switches

The unmanaged switches offer fixed configuration on a plug-and-play basis. It is the most basic switch and there are a few choices in the market. These switches are affordable, but the basic features make them inappropriate for enterprise applications.

Managed Switches

The number of features and level of functionality improves with managed switches, making them ideal for enterprise and business applications. These switches are built with the command-line interface for ease of configuration. Equally, they support SNMP agents that come in handy when troubleshooting network issues.

The security on managed switches is better and will protect different types of traffic. Other features include support for virtual LANs, IP routing, and quality of service settings. Managed switches are more expensive compared to all other types of switches.

Smart Switches

Smart switches refer to switches that possess more features than those of unmanaged switches but do not have the full features of managed switches. Smart switches are more cost-effective than managed switches.

Some of the limitations of the smart switches are a lack of telnet access support, Web GUIs, and a lack of many features for VLANs. They are affordable compared to a fully managed switch and are suitable for a smaller computer network.

Modular Switches

Modular switches allow the addition of expansion modules as the network expands. The expansion modules allow for more networked devices but are application-specific. They may include wireless access points, firewalls, or network analysis tools. The flexibility of a modular networking switch comes at a higher cost.

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What does ALLHDD.Com warranty cover?

30-days to 3 years warranty:

Replacement or refund. In the case of material defects, we will try to replace the product first. The product will be replaced before the expiration of the original warranty. For any failure of hardware, if we cannot process the replacement of the product(s)/model(s), we will refund the original selling/invoiced price. The shipping costs and sales tax, if any, are non-refundable. ALLHDD retains the right to decide whether the item(s) will process for replacement or refund.

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