Cisco WS-X4920-GB-RJ45= Catalyst 20 Ports Expansion Module Refurbished

In the fast-paced world of data networking, Cisco has consistently been at the forefront, delivering cutting-edge solutions to meet the growing demands of businesses and organizations. One such solution is the Cisco WS-X4920-GB-RJ45= Catalyst expansion module, designed to enhance data networking capabilities with its 20 ports offering 1 Gigabyte per second (GBPS) Gigabit Ethernet connectivity over twisted pair cables. In this detailed guide, we will explore the features, specifications, and benefits of this expansion module, shedding light on its role in data networking and how it can contribute to the seamless operation of network infrastructure.

• Catalyst Series Overview: Cisco's Catalyst series is renowned for its high-performance networking equipment, and the WS-X4920-GB-RJ45= is no exception. This expansion module is a vital component for those looking to bolster their data networking capabilities, providing 20 ports for seamless connectivity.
• Gigabit Ethernet Explained: Gigabit Ethernet, denoted by the GBPS in the module's name, is a high-speed networking technology capable of transmitting data at a rate of one billion bits per second. This impressive speed ensures swift and efficient communication within the network.

• 20 Ports Configuration: The WS-X4920-GB-RJ45= module boasts an impressive 20 ports, offering ample connectivity options for various devices within a network. This configuration is particularly beneficial for medium to large-scale enterprises with extensive networking requirements.
• Gigabit Speed: Each port on this expansion module supports Gigabit Ethernet, delivering data at a rapid rate of 1 GBPS. This high-speed capability is crucial for applications demanding substantial bandwidth, such as video conferencing, large file transfers, and data-intensive processes.
• Twisted Pair Technology: The use of twisted pair cables enhances the reliability and efficiency of the WS-X4920-GB-RJ45=. Twisted pair technology involves pairing two insulated copper wires, which helps reduce electromagnetic interference and ensures a stable and secure data transmission.
• 10/100/1000base-T Compatibility: The WS-X4920-GB-RJ45= supports a range of data rates, including 10, 100, and 1000 megabits per second. This compatibility ensures that the module can seamlessly integrate with existing network infrastructure, providing flexibility for various networking needs.

• Half-Card Expansion Module: The WS-X4920-GB-RJ45= is classified as a half-card expansion module, indicating its form factor and compatibility with specific Cisco Catalyst chassis. The half-card design allows for efficient use of space within the networking equipment while providing robust connectivity options.
• Role in Network Expansion: As a half-card expansion module, the WS-X4920-GB-RJ45= plays a pivotal role in expanding the capabilities of a network. Organizations can leverage this module to increase the number of available ports and enhance overall data throughput, accommodating the growing demands of modern business operations.

• Scalability: The WS-X4920-GB-RJ45= offers a scalable solution for businesses experiencing an increase in networking demands. With 20 Gigabit Ethernet ports, the module allows for the seamless integration of new devices and the expansion of network infrastructure.
• High Performance: The Gigabit Ethernet technology employed by the module ensures high-performance data transmission, making it suitable for bandwidth-intensive applications. This performance is crucial for maintaining a responsive and efficient network environment.
• Compatibility and Flexibility: The WS-X4920-GB-RJ45= is designed with compatibility in mind, supporting a range of data rates and existing network configurations. This flexibility allows organizations to integrate the module into their current infrastructure without the need for extensive overhauls.

The model Cisco Catalyst 4900M 20-ports half-card expansion module is designed to provide high performance and reliability for the Cisco Catalyst 4900M switch.

The module provides an additional 20 Gigabit Ethernet ports for the switch, allowing for more devices to be connected to the network. The ports on the module use RJ-45 connectors and support both 10/100/1000Mbps speeds. This allows for fast and efficient data transfer between devices connected to the network.

The module is also designed for high reliability. It is hot-swappable, which means that it can be removed and replaced without having to power off the switch. This allows for minimal downtime and easy maintenance. Additionally, the module supports a variety of advanced features such as quality of service (QoS) and security features to help ensure that network traffic is properly prioritized and that the network is protected from potential threats.

The Cisco Catalyst 4900M switch is known for its high performance and reliability. The WS-X4920-GB-RJ45= expansion module is fully compatible with the switch, and it's been tested and certified by Cisco to meet the necessary standards. This ensures that the module will continue to function properly, even under difficult conditions.

Interface Provided for Digital Workplace

The WS-X4920-GB-RJ45= Cisco Catalyst 4900M 20-ports half card expansion module provides a Gigabit Ethernet interface for the digital workplace. This means that it provides a high-speed, reliable connection for devices in the digital workplace such as computers, servers, and other networking equipment.

The module has 20 ports, each of which uses RJ-45 connectors and supports both 10/100/1000Mbps speeds. This allows for fast and reliable data transfer between devices connected to the network, ensuring that employees in the digital workplace have access to the resources they need to be productive.

The module also supports advanced features such as quality of service (QoS) and security features. QoS allows for the prioritization of network traffic, which can be particularly useful in a digital workplace where different types of traffic (such as voice, video, and data) may need to be handled differently. Security features can help to protect the network from potential threats, ensuring that sensitive data remains protected.

The module is hot-swappable, which means that it can be removed and replaced without having to power off the switch, minimizing downtime, and it's easy to maintain.

• Manufacturer: Cisco
• Part Number or SKU# WS-X4920-GB-RJ45=
• Product Type: Expansion Module
• Product Name: Catalyst 20 Ports Expansion Module

• Application/Usage: This device is designed for use in Data Networking.
• Form Factor: It comes as a Plug-in module, making it easy to install.
• Total Number of Ports: There are 20 ports available.
• Connector Type: Each port uses an RJ-45 connector.
• Interfaces/Ports Details: All 20 ports support RJ-45 connections with speeds of 10/100/1000Base-T LAN.

• Media Type Supported: It supports Twisted Pair cables.
• Data Transfer Rate: The maximum speed supported is 1 Gigabit per second (1 GBPS).

• Connectivity Technology: The device is Wired, providing stable connections.
• Cabling Type: Compatible with Ethernet 10Base-T, Ethernet 100Base-TX, and Ethernet 1000Base-T standards.
• Data Link Protocol: Supports Ethernet, Fast Ethernet, and Gigabit Ethernet protocols.
• Data Transfer Rate: The maximum speed is again 1 GBPS.
• Status Indicators: Shows Port status and general device status.

• Supports both Full duplex capability and half duplex mode.

• Interfaces: It has 20 interfaces using RJ-45 connectors for 1000Base-T.
• Compatible Slots: There's 1 expansion slot available for additional functionality.

Miscellaneous

• Compatibility: This device is compatible with Cisco Catalyst 4900 Series Switches.

In general, the Cisco WS-X4920-GB-RJ45= Catalyst expansion module stands as a testament to Cisco's commitment to delivering high-performance networking solutions. With its 20 ports, Gigabit Ethernet capability, twisted pair technology, and compatibility with various data rates, this module is well-suited for organizations seeking to enhance their data networking infrastructure. Whether used for network expansion or to meet the demands of bandwidth-intensive applications, the WS-X4920-GB-RJ45= offers scalability, high performance, and flexibility in a compact half-card design. As businesses continue to evolve, Cisco remains a reliable partner in providing innovative solutions for the dynamic world of data networking.