Cisco WS-C4948-10GE-S 48 Ports Ethernet Switch
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Cisco WS-C4948-10GE-S 48 Ports Ethernet Switch Catalyst 4900 Refurbished

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Part Number#: WS-C4948-10GE-S
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Short Description:
WS-C4948-10GE-S Catalyst 4900 Series 10/100/1000Base-T Gigabit Ethernet Twisted Pair Layer3 (L3) 48 Ports Managed Switch | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days
Product Overview for the Cisco WS-C4948-10GE-S Ethernet Switch

The Cisco WS-C4948-10GE-S is a robust member of the Catalyst 4900 Series, designed to meet the networking demands of modern enterprises. This managed switch offers advanced features and capabilities, making it a reliable choice for organizations seeking high-performance networking solutions. The Cisco WS-C4948-10GE-S is a member of the Catalyst 4900 Series, known for its high-performance capabilities. Specifically, this model is a Layer 3 (L3) switch, indicating its ability to operate at the network layer of the OSI model. With 48 ports supporting 10/100/1000Base-T Gigabit Ethernet over twisted pair cables, it provides a robust foundation for various networking needs.

Gigabit Ethernet Technology

Gigabit Ethernet is a crucial aspect of the WS-C4948-10GE-S, delivering exceptionally high data transfer rates. This is particularly advantageous for bandwidth-intensive applications, large file transfers, and data-heavy tasks. At the core of the WS-C4948-10GE-S is its ability to handle Gigabit Ethernet, providing a substantial boost in network speed. With 48 ports dedicated to 10/100/1000Base-T connections, this switch ensures a reliable and fast data transfer rate for each connected device.

48 Ports of 10/100/1000Base-T Connectivity

The WS-C4948-10GE-S switch provides a total of 48 ports, supporting a variety of Ethernet speeds including 10, 100, and 1000 Mbps. This versatility makes it suitable for diverse network setups, accommodating both high-speed data transfers and standard network connections.

Layer 3 (L3) Functionality

The switch operates at Layer 3 of the OSI model, providing advanced routing capabilities. Layer 3 switches are capable of making routing decisions based on IP addresses, enhancing network efficiency and reducing congestion. The Layer 3 functionality of this switch adds a new dimension to network operations. By operating at the network layer, the WS-C4948-10GE-S can make intelligent routing decisions, enhancing the efficiency of data transmission and contributing to a more resilient and adaptive network.

Twisted Pair Technology

The WS-C4948-10GE-S utilizes twisted pair technology for Ethernet connectivity. Twisted pair cables are known for their reliability and cost-effectiveness, making them a preferred choice for various networking applications.

Managed Switch for Enhanced Control

Being a managed switch, the WS-C4948-10GE-S empowers network administrators with granular control over network settings. This includes features such as Virtual LANs (VLANs), Quality of Service (QoS) configurations, and enhanced security protocols, allowing for a tailored and secure networking environment.

Managed Switch Capabilities

Being a managed switch, the WS-C4948-10GE-S offers a high degree of control and customization over network settings. This includes features such as VLAN support, Quality of Service (QoS) configuration, and security protocols, providing administrators with the tools to optimize network performance.

Functionality and Features
  • High Performance: The Cisco WS-C4948-10GE-S is designed for high-performance networking. With its Gigabit Ethernet support and Layer 3 capabilities, it can efficiently handle the demands of modern applications, including video streaming, large file transfers, and real-time communication.
  • Scalability: Scalability is a key consideration in network design, and the WS-C4948-10GE-S addresses this by providing 48 ports. This allows organizations to expand their network infrastructure as needed without compromising on performance.
  • Layer 3 Routing: As a Layer 3 switch, the WS-C4948-10GE-S can perform routing functions. This is particularly beneficial in scenarios where multiple VLANs exist, and inter-VLAN communication is required. The switch can route traffic between different subnets, enhancing network efficiency.
  • Quality of Service (QoS): Quality of Service is crucial for ensuring that critical applications receive the necessary priority in terms of bandwidth and resources. The WS-C4948-10GE-S supports QoS features, allowing administrators to prioritize traffic based on application requirements.
  • Security Features: Security is a top priority in networking, and the WS-C4948-10GE-S includes various security features to protect the integrity and confidentiality of data. This may include Access Control Lists (ACLs), port security, and other measures to mitigate potential threats.
  • Redundancy and Reliability: The switch incorporates features that enhance network reliability, such as support for redundant power supplies and the capability to form a stack with other compatible switches. Redundancy is crucial for minimizing downtime and ensuring continuous network operation.
  • Enterprise Networks: The Cisco WS-C4948-10GE-S is well-suited for enterprise networks where a large number of devices need to be connected. Its high port count and Gigabit Ethernet support make it capable of handling the diverse connectivity requirements of modern businesses.
  • Data Centers: In data center environments, where high-performance networking is paramount, the WS-C4948-10GE-S shines. Its Layer 3 capabilities, scalability, and support for Gigabit Ethernet make it an ideal choice for connecting servers, storage devices, and other critical components within a data center.
  • Campus Networks: For educational institutions, government offices, or any large campus setting, this switch offers the necessary scalability and features. The ability to manage and prioritize traffic ensures a seamless networking experience for users in such environments.
  • Service Providers: Service providers can benefit from the Cisco WS-C4948-10GE-S in delivering reliable and high-performance connectivity to their customers. The switch's robust features contribute to building a resilient and efficient network infrastructure.
Benefits of WS-C4948-10GE-SScalability

The 48 ports and Layer 3 routing capabilities make the WS-C4948-10GE-S highly scalable. It can accommodate the growing demands of a network without compromising performance.

Performance Optimization

The Gigabit Ethernet technology and high switching capacity contribute to optimal network performance, ensuring that data is transferred swiftly and efficiently.

Customization and Control

As a managed switch, the WS-C4948-10GE-S provides administrators with granular control over network settings. This includes the ability to configure VLANs, implement Quality of Service, and manage security features.

Security Enhancement

The inclusion of security features such as Access Control Lists and port security enhances the overall security posture of the network, protecting against unauthorized access and potential threats.


The WS-C4948-10GE-S is a Cisco Catalyst switch that provides 48 ports of 10 Gigabit Ethernet connectivity. It is designed for high-performance networking environments and supports features such as VLANs, QoS, and advanced security. Additionally, it is equipped with a redundant power supply and fans for increased reliability. It is also capable of using Cisco's IOS-XE software for advanced network management and control. It is a fixed switch and suitable for a large enterprise network.


The WS-C4948-10GE-S Cisco Catalyst switch is designed for high reliability in networking environments. It features redundant power supplies and fans to ensure that the switch continues to operate even in the event of a power or cooling failure. Additionally, it supports features such as link aggregation and virtual port channels to increase network availability by providing redundancy and load balancing. This switch also supports Cisco's IOS-XE software which allows for advanced network management and control, including the ability to configure and monitor the switch remotely, and also can detect and recover from some of the hardware failures. The use of twisted pair technology and robust design make the WS-C4948-10GE-S a reliable networking solution. It is well-suited for mission-critical applications where network uptime is paramount.

General Information of the Cisco WS-C4948-10GE-S Layer3 Switch
  • Manufacturer: Cisco
  • Part Number or SKU# WS-C4948-10GE-S
  • Product Line: Catalyst
  • Product Series: 4900
  • Product Type: Layer 3 Switch
  • Total Number of Network Ports: 48
  • Number of Network (RJ-45) Ports: 48
  • Port/Expansion Slot Details: 48 x Gigabit Ethernet Network
  • Form Factor: Rack-mountable
  • Media Type Supported: Twisted Pair
  • Ethernet Technology: Gigabit Ethernet
  • Network Technology: 10/100/1000Base-T
I/O Expansions
  • Number of Total Expansion Slots: 2
  • Expansion Slot Type: X2
Network & Communication
  • Layer Supported: 4
Management & Protocols
  • Manageable: Yes
  • Standard Memory: 256 MB
  • Memory Technology: SDRAM
  • Flash Memory: 64 MB
Power Description
  • Power Source: Power Supply

In short, the Cisco WS-C4948-10GE-S is a powerful and versatile member of the Catalyst 4900 Series. Its compact design, 48 ports with 10/100/1000Base-T Gigabit Ethernet support, Layer 3 functionality, and advanced management capabilities make it a reliable choice for organizations seeking a high-performance managed switch. The switch's specifications, including its physical dimensions, performance metrics, Power over Ethernet (PoE) support, and redundancy features, further highlight its suitability for diverse networking environments.

The benefits of the Cisco WS-C4948-10GE-S, such as scalability for growing networks, enhanced network performance, improved management and control, reliable power distribution with PoE, and redundancy for high availability, position it as a valuable asset for modern enterprises. Whether deployed in data centers or network closets, this switch contributes to the efficiency, reliability, and scalability of network infrastructures.

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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