Cisco WS-X4908-10G-RJ45= 8 Ports Module
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Cisco WS-X4908-10G-RJ45= Catalyst 8 Ports Expansion module New

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Short Description:
WS-X4908-10G-RJ45= Catalyst 4900-M 8-Port 10Base-T Gigabit Half Expansion Module | Made by Cisco | New Factory Sealed
Product Condition:
New Retail Factory Sealed
Warranty provided by ALLHDD.COM:
90 Days

More Information for the Cisco WS-X4908-10G-RJ45= Catalyst 8 Ports module

The Cisco WS-X4908-10G-RJ45= Catalyst 4900-M 8-Port 10Base-T Gigabit Half Expansion Module is a powerful and versatile networking component designed for use in Cisco Catalyst 4900 Series switches. In this detailed exploration, we will delve into the various aspects of this expansion module, uncovering its key features, use cases, technical specifications, and the benefits it brings to network infrastructures.

Key Features

  • Port Configuration: The WS-X4908-10G-RJ45= expansion module is equipped with eight ports, supporting 10Base-T Gigabit Ethernet connectivity. These ports provide high-speed data transfer capabilities, making it suitable for demanding networking environments.
  • Compatibility: Designed specifically for integration with Cisco Catalyst 4900 Series switches, this expansion module ensures seamless compatibility and interoperability within Cisco networking ecosystems. It's an ideal solution for organizations already invested in Cisco infrastructure.
  • Gigabit Ethernet: The module supports Gigabit Ethernet technology, enabling data transfer rates of up to 1000 Mbps. This high-speed connectivity is essential for modern networks, facilitating the efficient exchange of large volumes of data.
  • Half-Height Form Factor: The half-height form factor of the WS-X4908-10G-RJ45= module optimizes space utilization within the switch, allowing for more flexibility in configuring and expanding network setups. This compact design is particularly valuable in environments where space is a premium.
  • RJ45 Connectors: Utilizing RJ45 connectors, the module ensures a secure and reliable physical connection for each port. RJ45 connectors are widely adopted in networking for their simplicity and effectiveness, making the WS-X4908-10G-RJ45= module user-friendly and easily deployable.

Technical Specifications

  • Data Transfer Speed: With support for Gigabit Ethernet, the WS-X4908-10G-RJ45= module offers a maximum data transfer speed of 1000 Mbps per port. This ensures high-performance networking, making it suitable for applications that demand rapid data transmission.
  • Expansion Compatibility: This expansion module is designed for the Catalyst 4900 Series switches, extending their capacity and capabilities. It seamlessly integrates into the switch chassis, expanding the overall capacity for additional networking ports.
  • Power over Ethernet (PoE): The module does not support Power over Ethernet, meaning it does not provide electrical power to connected devices. For environments requiring PoE functionality, additional considerations or alternative solutions may be necessary.
  • Layer 2 and Layer 3 Support: The WS-X4908-10G-RJ45= module supports both Layer 2 and Layer 3 networking protocols. This flexibility allows it to address a wide range of networking requirements, from basic connectivity to more advanced routing and switching functions.
  • Hot-Swappable: The module is hot-swappable, allowing for installation or removal without disrupting the normal operation of the Catalyst 4900 Series switch. This feature enhances the switch's scalability and flexibility, as modules can be added or replaced on the fly.

Use Cases and Applications

The Cisco WS-X4908-10G-RJ45= expansion module finds application across various networking scenarios, including:

  • Enterprise Networks: In large enterprise networks, where high-speed connectivity and scalability are paramount, the expansion module facilitates the expansion of network infrastructure to accommodate growing demands.
  • Data Centers: In data center environments, where the volume of data traffic is exceptionally high, the expansion module enhances the switch's capacity to handle increased data loads and maintain optimal performance levels.
  • High-Performance Computing: For environments requiring high-performance computing capabilities, such as scientific research institutions or engineering firms, the expansion module provides the necessary connectivity to support data-intensive applications and processes.

Benefits of the Cisco WS-X4908-10G-RJ45= Expansion Module

  • Scalability: The expansion module enables seamless scalability of network infrastructure, allowing organizations to accommodate growth and adapt to changing business requirements.
  • Enhanced Performance: By providing additional Gigabit Ethernet ports, the expansion module enhances network performance, facilitating faster data transfer rates and improved overall efficiency.
  • Flexibility: The half-expansion module design offers flexibility in system configuration, allowing organizations to customize their network setups based on specific needs and preferences.
  • Reliability: Backed by Cisco's reputation for quality and reliability, the WS-X4908-10G-RJ45= expansion module ensures robust and dependable performance in demanding networking environments.

Considerations and Limitations

  • Power over Ethernet (PoE) Absence: As mentioned earlier, the WS-X4908-10G-RJ45= module does not support Power over Ethernet. Organizations requiring PoE functionality for devices such as IP cameras, VoIP phones, or other powered network devices should explore alternative solutions.
  • Compatibility Check: Before purchasing and installing the module, it is crucial to ensure compatibility with the existing Catalyst 4900 Series switch. Checking hardware and software compatibility, as well as available slots for expansion modules, is essential to avoid potential issues.
  • Cost Considerations: While the WS-X4908-10G-RJ45= module offers significant benefits, organizations should consider their budgetary constraints. Evaluating the cost-effectiveness of the module concerning specific networking needs is important for making informed purchasing decisions.
Revolutionizing Network Operations

Revolutionizing network operations refers to the use of new technologies and processes to transform traditional network management practices. The goal is to improve network efficiency, reduce costs, enhance security, and enable faster, more agile responses to changing business needs.

One of the key drivers of this revolution is the rise of software-defined networking (SDN), which separates the control plane from the data plane in network devices. This allows network administrators to manage the network from a centralized software controller, rather than configuring each device separately. SDN also enables the creation of virtual networks and the automation of network management tasks, which can save time and reduce errors.

Another important technology that is revolutionizing network operations is network function virtualization (NFV), which allows network services to be virtualized and run on standard hardware, rather than proprietary network devices. This makes it easier to deploy new services and scale them as needed, without the need for costly hardware upgrades.

Artificial intelligence (AI) and machine learning (ML) are also playing a key role in the network operations revolution. AI and ML can be used to analyze network data and identify patterns and anomalies, enabling predictive maintenance, proactive troubleshooting, and faster incident response times.

In addition to these technologies, new network operations processes are also being developed to support the transition to a more agile and automated network infrastructure. These include DevOps practices, which integrate development and operations teams to enable faster deployment of new services, and NetOps, which combines network and operations teams to improve collaboration and streamline network management.

Empowering Network Administrators

Empowering network administrators refers to giving them the tools, resources, and authority to effectively manage and optimize network infrastructure. This can include providing them with access to new technologies, training and development opportunities, and support from senior management.

One key way to empower network administrators is through the use of software-defined networking (SDN) and network function virtualization (NFV). These technologies allow network administrators to centrally manage network infrastructure, automate network management tasks, and quickly deploy new services, without the need for manual configuration of individual network devices. By reducing the manual labor required for network management, network administrators can focus on higher-level tasks that require human expertise, such as optimizing network performance and enhancing security.

Another way to empower network administrators is through access to data analytics tools that allow them to gain insights into network performance and identify potential issues before they become major problems. With the use of artificial intelligence (AI) and machine learning (ML), these tools can even predict network issues before they occur, allowing network administrators to take proactive measures to prevent downtime.

Training and development opportunities can also empower network administrators, giving them the skills and knowledge to effectively manage modern network infrastructures. This includes training in new technologies, such as SDN and NFV, as well as soft skills, such as communication and collaboration. By investing in the professional development of network administrators, organizations can ensure they have the expertise required to effectively manage and optimize network infrastructure.

Finally, senior management support is crucial for empowering network administrators. This includes providing them with the resources and authority to make decisions about network infrastructure, as well as recognizing the importance of their role in ensuring business continuity and enabling digital transformation.

General Information about this Cisco WS-X4908-10G-RJ45=

  • Manufacturer: Cisco
  • Part Number or SKU# WS-X4908-10G-RJ45=
  • Product Type: Expansion Module
  • Product Name: Catalyst 8 Ports Expansion Module
  • Line Extension: Catalyst
  • Series Extension: 4500-M

Technical Specifications

  • Application/Usage: Wide Area Network (WAN)


  • Interfaces/Ports: 8 x 10GBase-T LAN
  • Interfaces/Ports Details: 8 x RJ-45 10GBase-T Network LAN

Media & Performance

  • Connectivity Media: Twisted Pair (10GBase-T)
  • Data Transfer Rate: 10 Gbps (Gigabit Ethernet)
  • Ethernet Technology: 10 Gigabit Ethernet


  • Compatibility: Compatible with Cisco Catalyst C4900 Series Switches

In short, the Cisco WS-X4908-10G-RJ45= Catalyst 4900-M 8-Port 10Base-T Gigabit Half Expansion Module is a valuable asset for organizations seeking to enhance their network infrastructure. With its advanced features, seamless integration, and scalability, the expansion module serves as a cornerstone in building resilient and high-performance networks capable of meeting the demands of modern business environments.

Product Condition:
New Retail Factory Sealed
Warranty provided by ALLHDD.COM:
90 Days

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