Cisco WS-C3750X-48PF-L Ethernet Switch
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Cisco WS-C3750X-48PF-L 48 Ports Ethernet Switch Catalyst Refurbished

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Part Number#: WS-C3750X-48PF-L
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Short Description:
WS-C3750X-48PF-L Catalyst 3750X 48 Ports 10/100/1000Base-T RJ-45 Power Over Ethernet Plus (PoE+) Manageable Layer 3 Rack-mountable 1U Stackable Ethernet Switch with 2x Expansion Slots | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

Product Overview of the Cisco WS-C3750X-48PF-L 48 Ports Switch

Cisco WS-C3750X-48PF-L is a robust and advanced Ethernet switch designed to meet the demands of modern networking environments. This Layer 3 rack-mountable switch is equipped with 48 ports supporting 10/100/1000Base-T RJ-45 connections, and it features Power over Ethernet Plus (PoE+) capabilities. The Cisco WS-C3750X-48PF-L is a rack-mountable Ethernet switch designed to fit seamlessly into standard server racks. Its compact 1U form factor ensures efficient use of space in data centers and networking closets. With 48 ports supporting 10/100/1000Base-T RJ-45, this switch is well-equipped to handle diverse network requirements.

Power Over Ethernet Plus (PoE+)

One notable feature of this Cisco Catalyst 3750X model is its Power Over Ethernet Plus (PoE+) capability. PoE+ enables the switch to deliver both data and electrical power over the Ethernet cables, simplifying the deployment of devices such as IP cameras, VoIP phones, and wireless access points. This eliminates the need for separate power sources and contributes to a more organized and efficient network infrastructure.


The Cisco WS-C3750X-48PF-L is a fully manageable switch, providing administrators with the tools and features necessary to control and optimize network performance. Its management capabilities include monitoring network traffic, configuring settings, and potential issues. This level of manageability is crucial for maintaining a stable and secure network environment.

Layer 3 Functionality

In addition to its Layer 2 capabilities, this Catalyst 3750X model supports Layer 3 functionality. This means it can make routing decisions, enhancing its capacity to handle complex networking scenarios. The combination of Layer 2 and Layer 3 capabilities makes the Cisco WS-C3750X-48PF-L suitable for a wide range of applications, from basic connectivity to advanced routing.

Stackable Design

A standout feature of the Cisco Catalyst 3750X series is its stackable design. This allows multiple switches to be interconnected and managed as a single unit. Stackable switches provide benefits such as increased scalability, simplified management, and improved resiliency. The WS-C3750X-48PF-L's stackability is a valuable asset for growing networks that require flexibility and easy expansion.

Expansion Slots

The Cisco WS-C3750X-48PF-L comes equipped with 2x expansion slots, offering additional flexibility for network expansion. These slots can accommodate various modules, allowing users to customize the switch based on their specific needs. Expansion slots are a critical aspect of future-proofing a network, enabling it to adapt to evolving technologies and requirements.

Applications and Use Cases

Enterprise Networking

The Cisco WS-C3750X-48PF-L is well-suited for enterprise networking environments. Its robust set of features, including PoE+ support, Layer 3 functionality, and stackable design, make it capable of handling the diverse demands of modern business networks. From supporting a large number of connected devices to facilitating inter-departmental communication, this switch is a reliable foundation for enterprise-level networking.

IP Surveillance

In scenarios where IP cameras are a crucial component of security systems, the PoE+ capability of the Cisco WS-C3750X-48PF-L becomes particularly valuable. The switch can power these cameras directly through the Ethernet cables, eliminating the need for separate power sources near each camera. This simplifies installation, reduces cable clutter, and enhances the overall efficiency of IP surveillance setups.

VoIP Deployments

For Voice over Internet Protocol (VoIP) deployments, the Cisco Catalyst 3750X provides the necessary infrastructure support. The combination of high-speed data transfer and PoE+ ensures a seamless and reliable communication experience. The switch's manageability features also contribute to optimizing the performance of VoIP systems, ensuring clear and uninterrupted voice communication.

Data Center Networking

In data center environments, where space optimization and network reliability are paramount, the Cisco WS-C3750X-48PF-L proves to be a valuable asset. Its rack-mountable design and stackable capabilities enable efficient use of space, while Layer 3 functionality supports advanced routing within the data center network. The switch's expansion slots further allow for customization based on the unique needs of the data center.

High Performance

The Cisco Catalyst 3750X series is a line of switches designed for enterprise-level networking environments. The WS-C3750X-48PF-L model is a 48-port switch that is equipped with advanced features such as StackWise-480 technology and support for Cisco's IOS XE software, which enables a wide range of features including advanced Quality of Service (QoS), security, and energy-efficient Ethernet (EEE).

In terms of performance, the WS-C3750X-48PF-L is capable of providing high-speed connectivity with a switching capacity of up to 960 Gbps and a forwarding rate of up to 95.2 Mpps. It also supports up to 48 Gbps stacking and has a built-in power supply that can provide up to 1100W of power to support power-hungry devices such as wireless access points and IP phones.


The WS-C3750X-48PF-L Cisco Catalyst 3750X 48-port switch is compatible with a wide range of networking equipment and devices. It is designed to work with other Cisco networking products, such as routers, switches, and access points, and it is also compatible with third-party devices that support the industry-standard IEEE 802.3 Ethernet protocol.

In terms of software compatibility, This Product is compatible with a range of Cisco IOS software versions, including IOS XE, which is the latest version of Cisco's network operating system. This allows you to take advantage of the latest features and capabilities offered by Cisco's software, including advanced Quality of Service (QoS) capabilities, security features, and energy-efficient Ethernet (EEE).

Securing Your Network

The WS-C3750X-48PF-L Cisco Catalyst 3750X switch is a high-performance, stackable, enterprise-class switch that can be used to secure your network in several ways. Here are some details about how this switch can help you secure your network:

  • Access Control: The Cisco Catalyst 3750X switch provides multiple layers of security for access control, including 802.1X port-based authentication, MAC address-based authentication, and Web-based authentication. This allows you to control who can access your network and what resources they can access.
  • Identity-Based Networking: This switch supports Identity-Based Networking, which allows you to assign different policies and restrictions to different users based on their identity. This means that you can create user-specific access controls and policies, ensuring that only authorized users can access specific resources on your network.
  • Network Segmentation: The Cisco Catalyst 3750X switch allows you to segment your network into multiple virtual LANs (VLANs), which can be used to isolate different departments, users, or applications from each other. This helps to prevent unauthorized access and contain security breaches.
  • Threat Defense: The switch provides threat defense capabilities, including MAC address notification and port security, which can help protect your network from unauthorized access and network attacks.
  • Secure Connectivity: The switch provides secure connectivity options, including Secure Shell (SSH) Protocol, Simple Network Management Protocol Version 3 (SNMPv3), and Secure Sockets Layer (SSL) encryption for web-based management. These protocols ensure that all communication between devices is encrypted and secure.

General Information of the Cisco WS-C3750X-48PF-L Ethernet Switch

  • Manufacturer: Cisco
  • Part Number or SKU# WS-C3750X-48PF-L
  • Product Line: Catalyst
  • Product Series: 3750-X
  • Product Type: Ethernet Switch

Interfaces / Ports of L3 Ethernet Switch

  • Total Number of Network Ports: 48
  • Stack Port: Yes
  • Port/Expansion Slot Details: 48X Gigabit Ethernet Network

Performance of 48 Ports Switch

  • Ethernet Technology: Gigabit Ethernet
  • Network Technology: 10/100/1000Base-T

I/O Expansions

  • Number of Total Expansion Slots: 2

Network & Communication

  • Layer Supported: 3

Management & Protocols

  • Manageable: Yes
  • RAM: 256 MB
  • Flash Memory: 128 MB Flash
Power Description
  • Power Source: Power Supply
  • Redundant Power Supply: Yes

In short, the Cisco WS-C3750X-48PF-L Catalyst 3750X Ethernet Switch is a versatile and feature-rich networking solution. With its 48 ports supporting 10/100/1000Base-T RJ-45 connections, PoE+ capabilities, Layer 3 functionality, rack-mountable and stackable design, and expansion slots, this switch is well-suited for a wide range of applications. Its technical specifications and benefits make it a reliable choice for organizations seeking a robust and scalable Ethernet switch to meet the demands of modern networking environments. Whether deployed in data centers, enterprises, or networking closets, the Cisco WS-C3750X-48PF-L stands out as a solution that combines power, flexibility, and manageability.

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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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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