Cisco WS-C3750G-24PS-S Managed Switch
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Cisco WS-C3750G-24PS-S 24 Ports Ethernet Switch Catalyst Refurbished

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Part Number#: WS-C3750G-24PS-S
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Short Description:
WS-C3750G-24PS-S Catalyst 3750 24 Ports 10/100/1000T RJ-45 Power over Ethernet (PoE) Manageable Layer 3 (L3) Twisted Pair Rack Mountable 1U and Stackable Switch with 4x Small Form-Factor Pluggable (SFP) Ports | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

Product Details of the Cisco 24 Ports Ethernet Switch

In the ever-evolving landscape of networking, Cisco remains a stalwart, known for its cutting-edge solutions. Among its impressive lineup, the Cisco WS-C3750G-24PS-S Ethernet Switch Catalyst 3750 stands out as a reliable and robust option. This comprehensive guide aims to delve into the intricacies of this 24-port Ethernet switch, exploring its features, benefits, and applications.

Understanding Cisco WS-C3750G-24PS-S

Ethernet Switch

Before diving into the specifics of the Cisco WS-C3750G-24PS-S, let's understand the fundamental concept of an Ethernet switch. In networking, a switch serves as a central hub, facilitating communication between devices within a local area network (LAN). Unlike traditional hubs that broadcast data to all connected devices, a switch intelligently directs data only to the device for which it is intended, enhancing network efficiency.

Catalyst 3750 Series

The Cisco Catalyst 3750 series is renowned for its performance and versatility. The WS-C3750G-24PS-S model, in particular, is a 24-port Ethernet switch that combines speed, reliability, and advanced features to meet the demands of modern networks.

Design and Physical Attributes

The WS-C3750G-24PS-S boasts a robust and sleek design, characteristic of Cisco's commitment to quality and durability. With 24 ports, it caters to the needs of medium to large-scale networks, providing ample connectivity options for various devices. The switch is part of the Catalyst 3750 series, known for its advanced features and reliability.

Features of Cisco WS-C3750G-24PS-S

Port Density

The WS-C3750G-24PS-S boasts 24 Ethernet ports, providing ample connectivity for a range of devices. This high port density is especially valuable in environments with numerous networked devices, such as offices or data centers.

Layer Support

This Cisco switch operates at multiple layers of the OSI model, providing a comprehensive networking solution. It supports Layer 2 and Layer 3 functionalities, offering flexibility in network design and configuration.

QoS (Quality of Service) Features

Quality of Service is essential for prioritizing network traffic and ensuring optimal performance for critical applications. The WS-C3750G-24PS-S incorporates advanced QoS features, allowing administrators to prioritize certain types of data, such as voice or video, over others.

Security Features

Security is a top priority in networking, and Cisco addresses this with a range of security features embedded in the WS-C3750G-24PS-S. These include access control lists (ACLs), port security, and advanced encryption protocols to safeguard data transmission.

Power over Ethernet (PoE) Support

One standout feature of this switch is its Power over Ethernet capability. PoE eliminates the need for separate power cables by delivering both data and electrical power over the Ethernet cable. This is particularly advantageous for devices like IP cameras, phones, and access points, simplifying installation and reducing cable clutter.

Gigabit Ethernet Speeds

In the fast-paced digital era, network speed is paramount. The WS-C3750G-24PS-S supports Gigabit Ethernet, ensuring data transfer at a rate of 1000 Mbps. This high-speed connectivity is essential for bandwidth-intensive tasks such as video streaming, large file transfers, and virtualization.

Layer 3 Routing Capabilities

Unlike basic switches that operate at Layer 2 of the OSI model, the Cisco WS-C3750G-24PS-S offers Layer 3 routing capabilities. This means it can make routing decisions based on IP addresses, enhancing network intelligence and enabling efficient communication between different subnets.

Robust Security Features

Security is a top priority in any network infrastructure. The Catalyst 3750 series incorporates advanced security features, including access control lists (ACLs), authentication, and encryption, safeguarding against unauthorized access and potential threats.


As businesses grow, so do their networking needs. The WS-C3750G-24PS-S is designed with scalability in mind, allowing for the seamless addition of more switches to accommodate expanding networks. This scalability ensures that the switch can adapt to the evolving requirements of the network.

High Reliability and Redundancy

Network downtime is a significant concern for organizations. The Cisco Catalyst 3750 series addresses this by offering features such as redundant power supplies and hot-swappable components. These features contribute to high reliability and minimize the risk of service disruptions.

Applications of Cisco WS-C3750G-24PS-S

Business Networks

The WS-C3750G-24PS-S is well-suited for business networks of varying sizes. Its high port density, Gigabit Ethernet speeds, and Layer 3 capabilities make it an ideal choice for organizations with diverse networking needs.

IP Telephony

With Power over Ethernet support, this switch is particularly useful in IP telephony deployments. It can power IP phones, simplifying the installation process and ensuring a streamlined communication infrastructure.

Video Surveillance

In scenarios where video surveillance is crucial, such as in retail or industrial settings, the PoE support of the WS-C3750G-24PS-S is invaluable. It allows for the easy deployment of IP cameras without the need for additional power sources.

Data Centers

The switch's scalability and high-speed connectivity make it suitable for deployment in data centers. Its Layer 3 routing capabilities enable efficient data transfer between servers and across different subnets within the data center environment.

General Information about the Cisco WS-C3750G-24PS-S

  • Manufacturer: Cisco
  • Model Number or SKU# WS-C3750G-24PS-S
  • Product Line: Catalyst
  • Product Series: 3750
  • Product Type: Ethernet Switch

Interfaces/Ports for 24 Ports Switch

  • Total Network Ports: 24
  • Port/Expansion Slot Details: 24 x Gigabit Ethernet Network
  • Port/Expansion Slot Details: 4 x Gigabit Ethernet Expansion Slot
  • I/O Expansions of Layer 3 Ethernet Switch:
  • Number of Total Expansion Slots: 4
  • Expansion Slot Type: SFP
  • Number of SFP Slots: 4


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

Power Description

  • Input Voltage: 110 V AC
  • Input Voltage: 220 V AC
  • Power Source: Power Supply
  • Redundant Power Supply: Yes


  • Standard Memory: 128 MB
  • Memory Technology: DRAM
  • Flash Memory: 32 MB

In summary, the Cisco WS-C3750G-24PS-S Ethernet Switch Catalyst 3750 is a versatile and powerful networking solution. Its combination of high port density, PoE support, Gigabit Ethernet speeds, and advanced features makes it suitable for a wide range of applications, from business networks to data centers and beyond. Understanding its features, applications, and configuration process is essential for leveraging its full potential and ensuring a reliable and efficient network infrastructure. Whether you're a networking novice or an experienced IT professional, the WS-C3750G-24PS-S is a valuable tool for building and maintaining robust and secure networks.

Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

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.

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