Cisco WS-C3750-24TS-S Ethernet Switch
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WS-C3750-24TS-S Cisco 24 Ports Ethernet Switch Catalyst 3750 Refurbished

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Short Description:
WS-C3750-24TS-S Catalyst 3750 24-Ports RJ-45 Manageable Rack-mountable, Wall Mountable, Desktop Layer 3 Twisted Pair Gigabit Ethernet Switch with 2x Small Form-Factor Pluggable (SFP) Slot Up to 1024 VLANs per switch or stack | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days
Understanding the WS-C3750-24TS-S Catalyst 3750 Gigabit Ethernet Switch

The WS-C3750-24TS-S Catalyst 3750 is a versatile and powerful network switch designed to provide efficient and reliable connectivity in various networking environments. In this detailed exploration, we'll break down the key features, specifications, and applications of the WS-C3750-24TS-S, shedding light on its capabilities and how it can enhance network performance. The WS-C3750-24TS-S is a member of the Cisco Catalyst 3750 series, renowned for its advanced features and robust performance. This particular model is a 24-port RJ-45 manageable switch, meaning it supports up to 24 twisted-pair Ethernet connections. Its design allows for multiple mounting options, including rack-mountable, wall-mountable, and desktop configurations, providing flexibility in deployment.

Key Features for Fast Ethernet Managed Switch
  • Port ConfigurationThe switch boasts 24 RJ-45 ports, facilitating seamless connections for various devices. These ports support twisted pair Ethernet, the standard for wired networking, ensuring compatibility with a wide range of devices.
  • ManageabilityThe WS-C3750-24TS-S is a manageable switch, meaning it provides administrators with the capability to monitor, configure, and control the network. This is crucial for optimizing performance, troubleshooting issues, and ensuring efficient resource utilization.
  • Layer 3 FunctionalityOne standout feature is its Layer 3 functionality. In networking, devices operate at different layers of the OSI model, with Layer 3 being the network layer. The inclusion of Layer 3 capabilities in this switch means it can make routing decisions, enhancing its versatility in managing network traffic.
  • Gigabit Ethernet Speeds: Gigabit Ethernet is a standard for high-speed wired network connections. The WS-C3750-24TS-S supports Gigabit Ethernet, ensuring fast and reliable data transfer between connected devices.
  • Small Form-Factor Pluggable (SFP) SlotsThe switch comes equipped with 2x Small Form-Factor Pluggable (SFP) slots. SFPs are hot-swappable, compact transceivers that provide additional flexibility in connecting the switch to fiber-optic or other high-speed links.
Technical Specifications of Layer 3 Twisted Pair Switch
  • Switching CapacityThe WS-C3750-24TS-S offers a substantial switching capacity, indicating its ability to handle and route data efficiently within the network. This is a critical specification for assessing the switch's overall performance.
  • Forwarding RateThe forwarding rate is another crucial metric, representing the speed at which the switch can process and transmit data. High forwarding rates are essential for minimizing latency and ensuring smooth communication within the network.
  • DRAM and Flash MemoryMemory play a vital role in the switch's operation. The WS-C3750-24TS-S comes equipped with both Dynamic Random-Access Memory (DRAM) and Flash memory, providing the necessary resources for running and storing the switch's operating system and configuration files.
  • Power Over Ethernet (PoE) SupportSome network switches support Power over Ethernet, a feature that allows the switch to deliver power to connected devices, such as IP cameras or VoIP phones, through the Ethernet cables. It's important to note whether the WS-C3750-24TS-S supports PoE, as this can simplify device deployment.
Deployment Options

The WS-C3750-24TS-S offers flexibility in its deployment options, making it suitable for various networking scenarios.

  • Rack-MountableFor organizations with dedicated server rooms or network closets, the rack-mountable option allows the switch to be neatly installed alongside other networking equipment in standard server racks.
  • Wall-MountableIn environments where floor space is limited, the wall-mountable option provides a space-saving solution. This is particularly useful in smaller offices or areas where a server rack may not be feasible.
  • Desktop ConfigurationFor smaller setups or temporary installations, the WS-C3750-24TS-S can be deployed as a desktop switch. This simplicity in setup and installation makes it an attractive option for quick network expansions or modifications.
Use Cases
  • Enterprise NetworksThe WS-C3750-24TS-S is well-suited for enterprise networks where a robust and scalable solution is required. Its Layer 3 capabilities make it capable of handling complex routing tasks, and its Gigabit Ethernet speeds ensure high-performance connectivity for various applications.
  • Small to Medium-Sized Businesses (SMBs)SMBs can benefit from the flexibility and scalability of the WS-C3750-24TS-S. Its manageable features enable efficient network administration even with limited IT resources, and the option for PoE support simplifies the deployment of devices like IP cameras or wireless access points.
  • Education InstitutionsIn educational settings, where a reliable and secure network is essential for day-to-day operations, the WS-C3750-24TS-S can serve as the backbone of the network infrastructure. Its ability to support multiple connections and manage network traffic effectively is crucial in handling the diverse needs of students, faculty, and staff.
High Performance for Manageable Switch

The WS-C3750-24TS-S Cisco Catalyst 3750 24 Ports Ethernet Switch is known for its high-performance capabilities. This switch is part of the Cisco Catalyst 3750 series, which is designed for enterprise-level networks.

One of the key features of the product is its support for stackable architecture, which allows multiple switches to be connected to form a single logical unit. This feature provides improved scalability and allows for easy management of large networks.

The switch also supports advanced features such as Quality of Service (QoS), security, and VLANs. The switch can also support advanced routing protocols, such as OSPF, EIGRP, and BGP.

Additionally, the switch has 24 ports with 10/100/1000 Ethernet interfaces, which allows for fast data transfer rates and reduced network congestion. The switch also includes an internal power supply which provides power to the device in case of power loss.


The WS-C3750-24TS-S Cisco Catalyst 3750 24 Ports Ethernet Switch is considered a highly reliable switch. It is part of the Cisco Catalyst 3750 series, which is known for its enterprise-class performance, security, and scalability. This particular model has 24 Ethernet ports, making it suitable for medium to large-sized networks.

One of the key features of the model is its Layer 3 switching capabilities, which allow for advanced routing and optimized network traffic. It also supports Power over Ethernet (PoE), Quality of Service (QoS), and advanced security features such as Access Control Lists (ACLs) and Network Admission Control (NAC).

The switch also includes an internal power supply, which is a redundant feature that ensures the switch will continue to operate even if one power supply fails. Additionally, the switch has been tested and certified to work with various Cisco network devices, which ensures compatibility and easy integration into existing networks.

Another important aspect is that the product has StackWise technology, this feature enables up to nine switches to be stacked together as a single logical unit, making it easier to manage and install, and also providing more scalability options.

VLAN Capabilities

One of the standout features of the WS-C3750-24TS-S Catalyst 3750 is its support for up to 1024 VLANs per switch or stack. VLANs (Virtual Local Area Networks) enhance network segmentation, enabling better management, security, and optimization of network traffic. The switch's ability to handle a large number of VLANs makes it suitable for diverse and complex network setups.

General Information of the Cisco WS-C3750-24TS-S 48 Ports Ethernet Switch

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

Interfaces/Ports for Layer 3 Switch
  • Total Number of Network Ports: 24
  • Number of Stack Ports: 2
  • Stack Port: Yes
  • Number of Network (RJ-45) Ports: 24
  • Port/Expansion Slot Details: 24 x Fast Ethernet Network
  • Port/Expansion Slot Details: 2 x Gigabit Ethernet Expansion Slot
I/O Expansions of 24 Ports Managed Switch
  • Number of Total Expansion Slots: 2
  • Expansion Slot Type: SFP
  • Number of SFP Slots: 2
Media & Performance
  • Media Type Supported: Twisted Pair
  • Twisted Pair Cable Standard: Category 5
  • Ethernet Technology: Fast Ethernet
  • Network Technology: 10Base-T, 10/100Base-TX
Network & Communication
  • Layer Supported: 3

Management & Protocols

  • Manageable: Yes
  • Management:
    • Command-line interface (CLI)
    • Cisco Cluster Management Suite (CMS) Software
    • CiscoWorks
    • IGMP snooping
    • Up to 1024 VLANs per switch or stack and up to 128 spanning-tree instances per switch are supported
    • 4000 VLAN IDs are supported
    • Cisco Group Management Protocol (CGMP)
    • RMON
    • Trivial File Transfer Protocol (TFTP)
    • Web browser setup utility allows one-click initialization for IP addresses and passwords
    • SNMP v1, v2c, and v3


  • MAC Address Table Size: 12K entries
  • Max Units In A Stack: 9
  • Routing Protocol: RIP-1, RIP-2, EIGRP, static IP routing, RIPng
  • Remote Management Protocol: SNMP 1, RMON 1, RMON 2, RMON 3, RMON 9, Telnet, SNMP 3, SNMP 2c, HTTP, SSH
  • Authentication Method: Kerberos, Secure Shell (SSH), RADIUS, TACACS+
  • Compliant Standards: IEEE 802.3, IEEE 802.3u, IEEE 802.3z, IEEE 802.1D, IEEE 802.1Q, IEEE 802.3ab, IEEE 802.1p, IEEE 802.3x, IEEE 802.3ad (LACP), IEEE 802.1w, IEEE 802.1x, IEEE 802.3ae, IEEE 802.1s


  • Flow control, full duplex capability, layer 3 switching, auto-sensing per device, IP-routing, DHCP support, auto-negotiation, ARP support, VLAN support, auto-uplink (auto MDI/MDI-X), IGMP snooping, traffic shaping, stackable, IPv6 support, Trivial File Transfer Protocol (TFTP) support, Access Control List (ACL) support, Quality of Service (QoS)


  • RAM: 128 MB
  • Flash Memory: 16 MB flash

Power Description

  • Power Source: Power Supply
  • Redundant Power Supply Supported: Yes
  • Power Consumption: 50 W


  • MTBF: 294,928 Hours

Environmental Parameters

  • Min Operating Temperature: 32 °F
  • Max Operating Temperature: 113 °F
  • Humidity Range Operating: 10 - 85%
  • Max Altitude Operating: 9840 ft


  • Catalyst 3750 Switch
  • Catalyst 3750 Switch Hardware Installation Guide
  • About the Catalyst 3750 Documentation flyer
  • AC power cord
  • One RJ-45-to-DB-9 adapter cable
  • Mounting kit containing:
    • Four rubber feet for mounting the switch on a table
    • Two 19-inch rack-mounting brackets
    • Six Phillips flat-head screws for attaching the brackets to the switch
    • Four Phillips machine screws for attaching the brackets to a rack
    • One cable guide and one black Phillips machine screw for attaching the cable guide to one of the mounting brackets
    • One RPS connector cover (for wall mounting)
    • Two Phillips pan-head screws (for attaching the RPS cover)
    • Four Phillips truss-head screws (for wall-mounting brackets)
  • CAB-STACK-50CM: Cisco StackWise 50CM Stacking Cable

Outline, the WS-C3750-24TS-S Catalyst 3750 Gigabit Ethernet Switch stands out as a versatile and powerful networking solution. With its combination of port flexibility, manageability, Layer 3 capabilities, and Gigabit Ethernet speeds, it addresses the needs of diverse networking environments. Whether deployed in enterprise networks, SMBs, or educational institutions, this switch offers reliability and performance, contributing to the seamless functioning of modern networks. Understanding its features, technical specifications, and deployment options is essential for network administrators looking to optimize their infrastructure.

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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