Cisco WS-C3750E-48PD-S 48 Ports Switch
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Cisco WS-C3750E-48PD-S 48 Ports Managed Switch Catalyst Refurbished

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Part Number#: WS-C3750E-48PD-S
List Price was: $796.15
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Short Description:
WS-C3750E-48PD-S Catalyst 3750E 48 Ports 10/100/1000 RJ-45 Power over Ethernet (PoE) 2x Uplink Ports Multi Layer 3 Stackable Ethernet Manageable Switch | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days
Product Details of the Cisco 48 Ports Managed Switch

The Cisco WS-C3750E-48PD-S is a powerful 48-port managed switch that falls under the Catalyst 3750E series. This switch is designed to provide efficient and reliable network connectivity for businesses and organizations. In this detailed guide, we will explore the key features, benefits, specifications, and use cases of the Cisco WS-C3750E-48PD-S, shedding light on its role in modern networking solutions. The Cisco WS-C3750E-48PD-S is a high-performance managed switch that falls under the Catalyst 3750E series. Specifically designed for enterprise networks, this switch offers advanced features and capabilities that make it a versatile solution for various networking needs.

Cisco Catalyst 3750E Series

The Catalyst 3750E series is renowned for its high-performance capabilities, making it a popular choice for enterprises seeking reliable and scalable network solutions. Cisco, a leading name in networking technologies, has designed the WS-C3750E-48PD-S to meet the demands of modern network infrastructures.

Key Features of WS-C3750E-48PD-S48 Ports for Enhanced Connectivity

The WS-C3750E-48PD-S boasts 48 ports Switch, providing extensive connectivity options for various devices within a network. This feature is especially beneficial for organizations with a multitude of devices requiring network access.

Managed Switch Capabilities

Being a managed switch, the WS-C3750E-48PD-S offers advanced control and configuration options. Network administrators can efficiently monitor and manage the switch's performance, ensuring optimal functionality and security.

Power over Ethernet (PoE) Support

The inclusion of Power over Ethernet (PoE) support is a standout feature of the WS-C3750E-48PD-S. PoE simplifies the deployment of devices such as IP cameras and VoIP phones by delivering both data and power over a single Ethernet cable, reducing cable clutter and installation costs.

High-Speed Connectivity with Gigabit Ethernet

With Gigabit Ethernet capabilities, this switch provides high-speed connectivity, facilitating seamless data transfer and network performance. This feature is essential for bandwidth-intensive applications and large-scale data transfers.

Technical SpecificationsSwitch Architecture

The WS-C3750E-48PD-S features a robust switch architecture designed to handle the complexities of modern networks. Its architecture ensures efficient data processing, low latency, and high throughput, contributing to a responsive and reliable network.

Layer 3 Routing

As a Layer 3 switch, the WS-C3750E-48PD-S supports routing at the network layer. This functionality enables the switch to make intelligent decisions based on IP addresses, enhancing the efficiency and flexibility of the network.

Stackable Design

The Catalyst 3750E series is known for its stackable design, allowing multiple switches to be interconnected and managed as a single entity. This feature simplifies network management, enhances scalability, and improves redundancy.

Redundant Power Supply

To ensure continuous operation and minimize downtime, the WS-C3750E-48PD-S is equipped with a redundant power supply. In the event of a power failure, the switch seamlessly switches to the backup power source, maintaining uninterrupted network services.

Practical Applications

Enterprise Networks

The WS-C3750E-48PD-S is well-suited for enterprise networks with its extensive port count, managed capabilities, and high-speed connectivity. It can efficiently handle the diverse needs of large organizations, supporting a wide range of applications and services.

IP Surveillance Systems

The Power over Ethernet (PoE) support makes the WS-C3750E-48PD-S an ideal choice for IP surveillance systems. It simplifies the installation of IP cameras by eliminating the need for separate power sources, reducing costs and complexity.

VoIP Deployments

In Voice over Internet Protocol (VoIP) deployments, the WS-C3750E-48PD-S's PoE capabilities prove invaluable. It ensures reliable power delivery to VoIP phones, contributing to a seamless communication experience.

Advantages of Choosing WS-C3750E-48PD-S


The WS-C3750E-48PD-S offers scalability, allowing organizations to expand their networks easily. Its stackable design enables the addition of more switches as the network grows, ensuring long-term viability.

Enhanced Security Features

With advanced security features, including access control lists (ACLs) and secure shell (SSH) protocols, the WS-C3750E-48PD-S prioritizes network security. These features safeguard against unauthorized access and potential security threats.

Energy-Efficient Operation

Cisco places a focus on energy efficiency in the design of the WS-C3750E-48PD-S. Energy-efficient features, such as the ability to adjust power consumption based on network demand, contribute to cost savings and environmental sustainability.

Considerations Before Implementation

Before implementing the WS-C3750E-48PD-S in a network infrastructure, it's essential to consider factors such as the size of the network, specific application requirements, and future scalability needs. Conducting a thorough assessment ensures that the switch aligns with the organization's goals and objectives.

General Information about the Cisco WS-C3750E-48PD-S
  • Manufacturer: Cisco
  • Part Number/SKU# WS-C3750E-48PD-S
  • Product Line: Catalyst
  • Product Series: 3750-E
  • Product Type: Layer 3 Switch
Ports and Interfaces
  • Stack Port: Yes
  • Total Network Ports: 48
  • PoE (RJ-45) Ports: 48
  • Ethernet Ports: 48 x Gigabit Ethernet, 2 x 10 Gigabit Ethernet Expansion Slot
Technical Information
  • Form Factor: Deskside/Rack Mountable
  • Power Over Ethernet (PoE): Yes
  • Ethernet Technology: Gigabit Ethernet
  • Network Technology: 10/100/1000Base-T
Media & Performance
  • Media Type Supported: Twisted Pair
  • 128Gbps Switching Fabric
  • 101.2Mpps Forwarding Rate
  • 68Gbps Backplane Speed
  • 95Mpps Forwarding Rate For 64-byte Packet
  • 64Gbps Stacking Bandwidth
  • Standard Memory: 256 MB
  • Memory Technology: DRAM
  • Flash Memory: 64 MB
I/O Expansions
  • Total Expansion Slots: 2
  • Expansion Slot Type: X2


  • Software Type: IP Base

Network & Communication

  • Layer Support: 2, 3, 4
  • Number of Stacks: 9

Management & Protocols

  • Manageable: Yes

Supported Protocols

  • Cisco IOS Software CLI
  • Cisco Network Assistant
  • CiscoWorks LAN Management Solution (LMS)
  • IEEE 802.1Q VLAN
  • IEEE 802.1p QoS
  • Telnet Interface
  • SNMP v1, v3, v2c

Power Description

  • PoE (RJ-45) Port: No
  • Input Voltage: 220 V AC, 110 V AC
  • Power Source: AC Adapter
  • Redundant Power Supply: Yes

Environmental Ranges

  • Operating Temperature: 32 to 113ºF (0 to 45ºC)
  • Storage Temperature: -13 to 158ºF (-25 to 70ºC)
  • Relative Humidity Operating: 10 to 85% (noncondensing)
  • Relative Humidity Nonoperating: 0 to 95% (noncondensing)
  • Operating Altitude: Up to 10,000 ft (3049 m)
  • Storage Altitude: Up to 15,000 ft (4573 m)

Connectors and Cabling

  • 1000BASE-T Ports: RJ-45 connectors, 2-pair Cat-5 UTP cabling
  • SFP-Based Ports: LC fiber connectors (single-mode or multimode fiber)
  • 10GBASE-X2-Based Ports: SC fiber connectors (single-mode or multimode fiber)
  • StackWise Stacking Ports: Copper-based Cisco StackWise cabling
  • Ethernet Management Port: RJ-45 connectors, 2-pair Cat-5 UTP cabling
  • Management Console Port: RJ-45-to-DB9 cable for PC connections

Overall, the Cisco WS-C3750E-48PD-S is a powerful and versatile 48-port managed switch that caters to the demands of modern networking environments. Its comprehensive feature set, including PoE support, Gigabit Ethernet connectivity, and advanced security features, makes it a compelling choice for enterprises seeking a reliable and scalable network solution. By understanding its key features, technical specifications, and practical applications, organizations can make informed decisions when integrating the WS-C3750E-48PD-S into their network 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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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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What is the Manufacturer/Brand Warranty?

In general, a manufacturer's warranty service/support is a written guarantee to the buyer of a product. Its terms assure the replacement or repair of the product, if necessary, within a specified period after the purchase (2-5 years depending on the brand/manufacturer). It is typically included in the price of the product. Products are brand new and sealed and the original manufacturer box is complete with the Manufacturer's genuine warranty. For most of the brand new/retail products that come with the manual and box, exceptions may apply (i.e., Cisco, Juniper Networks).

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