Cisco WS-C3750-48PS-E 48 Port Switch
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Cisco WS-C3750-48PS-E 48 Ports Layer 3 Switch Stackable Refurbished

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Part Number#: WS-C3750-48PS-E
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Short Description:
WS-C3750-48PS-E Catalyst 3750 48 Ports 10/100 RJ-45 Power Over Ethernet (PoE) Managebale Layer 3 Rack-mountable 1U Stackable Ethernet 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 48 Ports Layer 3 Switch

In the realm of networking, the Cisco WS-C3750-48PS-E stands as a stalwart – a 48-port Layer 3 switch that belongs to the esteemed Catalyst series. This stackable catalyst switch has garnered attention for its robust features and seamless integration capabilities. In this comprehensive guide, we'll delve into the various aspects of the Cisco WS-C3750-48PS-E, exploring its specifications, key functionalities, stackable architecture, and the benefits it brings to network administrators.

Specifications and Hardware

The Cisco WS-C3750-48PS-E is equipped with 48 Ethernet ports, making it a versatile choice for medium to large-scale networks. Each port is designed to operate at high speeds, ensuring efficient data transfer within the network. Additionally, the "PS" in its nomenclature signifies Power over Ethernet (PoE) capabilities, enabling the switch to deliver power to connected devices such as IP phones and surveillance cameras.

Furthermore, the Layer 3 functionality distinguishes this switch, allowing for advanced routing capabilities. This means that the switch can make intelligent decisions based on IP addresses, enhancing the efficiency of data traffic within the network.

In terms of hardware, the Cisco WS-C3750-48PS-E boasts a sturdy and reliable build, characteristic of Cisco's commitment to quality. The switch is designed to be stackable, allowing for the creation of a unified and scalable network infrastructure.

Key Features and FunctionalitiesPower over Ethernet (PoE)

The inclusion of PoE in the Cisco WS-C3750-48PS-E is a standout feature. This capability eliminates the need for separate power sources for connected devices, simplifying cable management and reducing overall infrastructure costs. Devices like IP cameras, wireless access points, and IP phones can draw power directly from the switch, streamlining deployment and maintenance processes.

Layer 3 Routing

The Layer 3 capabilities of this switch enable it to make intelligent routing decisions based on IP addresses. This is particularly beneficial in complex networks where efficient data routing is crucial for optimal performance. The switch can handle inter-VLAN routing, contributing to improved network segmentation and security.

Stackable Architecture

The stackable design of the Cisco WS-C3750-48PS-E allows multiple switches to be interconnected, forming a unified and highly scalable network infrastructure. This feature is pivotal for organizations experiencing growth, as it facilitates easy expansion without the need for extensive reconfiguration. It also enhances redundancy and resilience by distributing the network load across multiple devices.

Quality of Service (QoS)

To ensure the prioritization of critical data traffic, the switch supports Quality of Service (QoS) mechanisms. This allows network administrators to allocate bandwidth strategically, ensuring that important applications and services receive the necessary resources for optimal performance.

Security Features

Cisco prioritizes network security, and the WS-C3750-48PS-E is no exception. It comes equipped with a suite of security features, including access control lists (ACLs), port security, and DHCP snooping. These features contribute to safeguarding the network against unauthorized access and potential security threats.

Stackable Architecture

The stackable architecture of the Cisco WS-C3750-48PS-E is a pivotal aspect that deserves special attention. This feature allows multiple switches to be interconnected, operating as a single, cohesive unit. Here are the key elements of its stackable architecture

When multiple switches are stacked, they can be managed as a single entity. This simplifies network administration tasks, as configurations, updates, and monitoring can be applied uniformly across the entire stack. This unified management approach enhances operational efficiency and reduces the complexity associated with managing individual switches.


One of the primary advantages of stackable switches is scalability. As the network grows, additional switches can be seamlessly added to the stack, expanding the overall capacity without necessitating a complete overhaul of the existing infrastructure. This scalability is essential for businesses and organizations that anticipate future growth and need a flexible network solution.

Redundancy and Resilience

Stackable switches enhance network redundancy and resilience. In the event of a failure in one switch, traffic is automatically rerouted through the remaining switches in the stack. This not only minimizes downtime but also ensures continuous operation even in the face of hardware issues. Redundancy is a critical consideration for mission-critical applications and services.

Benefits for Network Administrators

The stackable architecture of the Cisco WS-C3750-48PS-E significantly simplifies network management. With a single management interface for the entire stack, administrators can streamline configuration tasks, monitor network performance, and apply updates uniformly. This simplicity translates to time and resource savings, allowing administrators to focus on strategic aspects of network optimization.

Cost-Effective Scalability

The stackable design enables cost-effective scalability. Instead of investing in entirely new switches, organizations can incrementally add units to the existing stack as the need arises. This eliminates the need for a large upfront investment and provides a scalable solution that aligns with the organization's growth trajectory.

Improved Redundancy and Reliability

Redundancy is a key consideration in network design, and the Cisco WS-C3750-48PS-E delivers on this front. The stackable architecture ensures that if one switch fails, the others in the stack can seamlessly handle the network load. This translates to improved reliability, minimizing the impact of hardware failures on network operations.

Enhanced Performance with Layer 3 Routing

The Layer 3 routing capabilities of the switch contribute to enhanced network performance. By making intelligent routing decisions based on IP addresses, the switch optimizes data traffic flow, reducing latency and improving overall efficiency. This is particularly beneficial in environments where rapid and reliable data transfer is essential.

Performance and Reliability

The WS-C3750-48PS-E Cisco Catalyst 3750 48-port PoE Manageable Layer 3 Stackable Ethernet Switch is designed for high performance and reliability.

In terms of performance, the switch supports high-speed data transfer with a switching capacity of 128 Gbps and a forwarding rate of 101.2 Mpps. This allows for fast and efficient data transfer, even in large and complex networks. It also supports advanced Quality of Service (QoS) features, which allow for the prioritization of different types of network traffic based on the needs of the application.

In terms of reliability, the switch is stackable, which means that multiple switches can be interconnected and managed as a single entity. This provides increased capacity, redundancy, and ease of management. The switch also supports hitless failover and fast convergence, which helps to minimize downtime and ensure high availability in case of a failure.

Additionally, the switch supports features such as Link Aggregation Control Protocol (LACP) and Cisco's StackWise technology, which provides automatic failover and load-balancing capabilities. Furthermore, it supports EnergyWise technology, which can help to reduce power consumption and improve energy efficiency.

General Information about the Cisco WS-C3750-48PS-E
  • Manufacturer: Cisco
  • Model Number or SKU# WS-C3750-48PS-E
  • Product Line: Catalyst
  • Product Series: 3750
  • Product Model: 3750-48PS
  • Product Type: Ethernet Switch
Interfaces/Ports of 48 Ports Switch
  • Total Number of Network Ports: 48
  • Number of Network (RJ-45) Ports: 48
  • Port/Expansion Slot Details:
  • 48 x Fast Ethernet Network
  • 4 x Gigabit Ethernet Expansion Slot
Media & Performance
  • Media Type Supported: Twisted Pair
  • Ethernet Technology: Fast Ethernet
  • Network Technology: 10Base-T
  • Network Technology: 10/100Base-TX
I/O Expansions
  • Number of Total Expansion Slots: 4
  • Expansion Slot Type: SFP
Network & Communication
  • Layer Supported: 3
Management & Protocols
  • Manageable: Yes
  • Standard Memory: 128 MB
Power Description
  • Input Voltage: 110 V AC
  • Input Voltage: 220 V AC

Finally, the Cisco WS-C3750-48PS-E 48 Ports Layer 3 Switch Stackable Catalyst stands as a testament to Cisco's commitment to providing top-tier networking solutions. With its robust features, scalability, and emphasis on security, this Catalyst switch is well-suited for a variety of deployment scenarios, from large enterprises to educational institutions. Understanding its key features, deployment scenarios, configuration options, and best practices for maintenance and troubleshooting empowers network administrators to harness the full potential of this exceptional networking device. As technology continues to evolve, Cisco remains at the forefront, delivering solutions that pave the way for a connected and digitally advanced future.

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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