Cisco WS-C3750-24PS-S Managed Switch
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WS-C3750-24PS-S Cisco Catalyst 24 Ports Ethernet Switch Refurbished

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Part Number#: WS-C3750-24PS-S
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Short Description:
WS-C3750-24PS-S Catalyst 3750 24-Ports RJ-45 Power Over Ethernet (POE) 2 Small Form-factor Pluggable (SFP) Ports Twisted Pair Manageable Rack-mountable Switch | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

High-Performance of Switch

The Cisco Catalyst 3750-24PS-S is a 24-port, stackable, managed Ethernet switch that is designed for use in enterprise networking environments. It is part of the Cisco Catalyst 3750 series, which is known for its high performance and a range of features that are designed to make it easy to set up and manage.

Some features of the WS-C3750-24PS-S include:

  • Support for Power over Ethernet (PoE) on all 24 ports, allowing you to power devices such as IP phones and wireless access points directly from the switch
  • Quality of Service (QoS) features to prioritize different types of network traffic
  • Enhanced security features such as port security, Access Control Lists (ACLs), and SSH/SSL encryption
  • Energy-efficient design, including support for Energy Efficient Ethernet (EEE) and Cisco EnergyWise

The WS-C3750-24PS-S is well-suited for enterprise networking environments that need a reliable, high-performance switch with a variety of features. It can be used in a variety of applications, including voice and video over IP, data center connectivity, and wireless LAN access.

Power and Innovation of Rack-mountable Switch

The WS-C3750-24PS-S Cisco Catalyst switch is a powerful and innovative switch that offers a range of features and capabilities to enhance the performance and security of networks.

One of the key features of the WS-C3750-24PS-S is its power over Ethernet (PoE) capability. This feature allows the switch to provide power to connected devices, such as IP phones and wireless access points, over the Ethernet cables. This eliminates the need for separate power supplies and reduces the overall cost and complexity of the network.

Another key feature of the switch is its ability to support advanced security features. The switch supports features such as access control lists (ACLs), port security, and IEEE 802.1X authentication to help protect the network from unauthorized access and security threats.

In addition, the WS-C3750-24PS-S also supports innovative features such as Cisco StackWise technology, which allows multiple switches to be connected together and managed as a single entity for increased scalability and ease of management. The switch also supports Cisco EnergyWise, which allows network administrators to monitor and manage the power consumption of network devices to reduce energy costs.

The switch also supports Cisco's proprietary protocol, FlexStack, which allows administrators to stack multiple switches and manage them as a single logical switch. This provides increased scalability, ease of management and also allows for faster switching and routing between the devices.

The WS-C3750-24PS-S also supports the Cisco IOS software which provides a wide range of features and capabilities for managing and securing networks. This include features such as Quality of Service (QoS), Link Aggregation Control Protocol (LACP), and Virtual Private Network (VPN) support.

Resiliency and High Availability

The WS-C3750-24PS-S Cisco Catalyst switch supports various resiliency and high availability features to ensure that the network stays up and running even in the event of a failure.

One such feature is Redundant Power Supply (RPS) which allows the switch to continue operating even if one of the power supplies fails. This ensures that the switch continues to operate and provide network connectivity even in the event of a power supply failure.

Another feature is StackWise technology which allows multiple Cisco Catalyst 3750 switches to be connected and operated as a single logical unit. This allows for increased resiliency as if one switch in the stack fails, the other switches in the stack can continue to provide network connectivity.

Cisco FlexStack Plus is also available for this switch which increases the stack bandwidth and also allows more number of switches to be stacked. This increases the scalability and resiliency of the network.

Additionally, the switch supports various routing protocols such as Hot Standby Router Protocol (HSRP), Virtual Router Redundancy Protocol (VRRP) and Gateway Load Balancing Protocol (GLBP) which provide redundancy at the routing level. This ensures that even if one router fails, another router can take over and continue to provide network connectivity.

Cisco also provides various software features such as Link Aggregation Control Protocol (LACP) and EtherChannel which allow multiple physical links to be bundled together to form a single logical link, providing redundancy and increased bandwidth.

Furthermore, the switch also supports features such as Quality of Service (QoS) and Access Control Lists (ACLs) which allow for prioritization of network traffic and provide security to the network.

General Information about this Cisco WS-C3750-24PS-S

  • Manufacturer: Cisco
  • Model Number or SKU# WS-C3750-24PS-S
  • Product Line: Catalyst
  • Product Series: 3750
  • Product Type: Ethernet Switch

Interfaces/Ports of 24 Ports Switch

  • Total Number of Ports: 26
  • Network (RJ-45) Ports: 24
  • Port/Expansion Slot Details: 24 x Fast Ethernet Network
  • Port/Expansion Slot Details: 2 x Gigabit Ethernet Expansion Slot

Performance for Cisco Ethernet Switch

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

I/O Expansions of Manageable Switch

  • Number of Total Expansion Slots: 2
  • Expansion Slot Type: SFP
  • Number of SFP Slots: 2
  • Layer Supported: 3

Additional Information

  • Memory-
  • Standard Memory: 128 MB
  • Flash Memory: 16 MB
  • Reliability-
  • MTBF: 209170 Hour

Power Description

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

Dimensions and Weight

  • Height 1.7 Inch
  • Width 17.5 Inch
  • Depth 11.8 Inch
  • Weight (Approximate) 11.30 Lbs

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 configurations 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 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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