WS-X4920-GB-RJ45 Catalyst Expansion Module - 20 Ports
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WS-X4920-GB-RJ45 | Six-Month (180 Days) | $45.00 | Excellent Refurbished | You save: $11.70 (21%) |
WS-X4920-GB-RJ45 | Six-Month (180 Days) | $780.00 | Factory-Sealed New in Original Box (FSB) | You save: $282.45 (27%) |
Overview of Cisco WS-X4920-GB-RJ45
- Manufacturer: Cisco
- Part Number or SKU: WS-X4920-GB-RJ45
- Type: Expansion Module
- Name: Catalyst 20 Ports Expansion Module
Technical Details
Application and Usage
- Designed for Data Networking environments.
- Features a Plug-in module format for straightforward installation.
Port Specifications
- Total Ports: 20
- Connector Type: RJ-45
- Supported Interfaces: 10/100/1000Base-T LAN on all 20 ports
Media and Performance
Media Compatibility
- Supports Twisted Pair cabling.
Data Transfer Rates
- Maximum speed: 1 Gigabit per second (1 Gbps)
Networking Capabilities
Connectivity Technology
- Wired connections ensure stable network performance.
Cabling and Standards
- Compatible with Ethernet standards: 10Base-T, 100Base-TX, and 1000Base-T.
Data Link Protocols
- Supports Ethernet, Fast Ethernet, and Gigabit Ethernet protocols.
- Maximum Data Transfer Rate: 1 Gbps
Status Indicators
- Displays port and overall device status.
Features and Expansion
Operational Modes
- Supports Full Duplex and Half Duplex modes.
Expansion and Connectivity Options
- 20 RJ-45 interfaces for 1000Base-T.
- 1 expansion slot available for additional functionality.
Compatibility
- Compatible with Cisco Catalyst 4900 Series Switches.
Ports
The Cisco WS-X4920-GB-RJ45 Expansion Module is equipped with an impressive 20 ports, making it an ideal choice for users who require a high-density solution for their networking needs. These ports provide numerous benefits and play a crucial role in enhancing connectivity and overall network performance. In this section, we will explore the importance of these ports and the advantages they offer to users.
Enhanced Connectivity
With 20 ports available, this expansion module offers an extensive range of connectivity options. Each port is capable of supporting Gigabit Ethernet connections, enabling high-speed data transfer and efficient communication between devices. Whether you need to connect multiple workstations, servers, or other network devices, the Cisco WS-X4920-GB-RJ45 Expansion Module has you covered.
Flexibility and Scalability
Having 20 ports at your disposal allows for tremendous flexibility and scalability within your network infrastructure. You can easily accommodate additional devices or expand your network without compromising performance. The module's design ensures that each port operates independently, providing the flexibility to configure them individually or as part of larger groups to meet specific business requirements.
Increased Bandwidth
The 20 ports on the Cisco WS-X4920-GB-RJ45 Expansion Module collectively deliver a significant increase in available bandwidth. This is particularly beneficial in environments where bandwidth-intensive applications are in use, such as video conferencing, multimedia streaming, or data-intensive transfers. The ample bandwidth provided by these ports ensures smooth and uninterrupted data flow, enhancing the overall user experience.
Reduced Network Congestion
Network congestion can severely impact performance and productivity. The abundance of ports offered by the Cisco WS-X4920-GB-RJ45 Expansion Module helps alleviate network congestion by distributing traffic across multiple channels. This prevents bottlenecks and ensures that each connected device receives the necessary bandwidth for optimal performance. The result is a more efficient and reliable network, minimizing potential disruptions and delays.
Improved Network Resilience
Businesses rely on their networks to operate seamlessly, and any downtime can result in significant losses. The 20 ports on this expansion module contribute to improved network resilience by providing redundancy options. By connecting critical devices or establishing link aggregation, you can create redundant connections that automatically kick in should one link fail. This redundancy ensures uninterrupted network connectivity and minimizes the risk of downtime.
Link Aggregation
One of the key features enabled by the abundance of ports is link aggregation. This technology combines multiple physical connections into a single logical interface, effectively increasing bandwidth and providing load balancing capabilities. With link aggregation, the Cisco WS-X4920-GB-RJ45 Expansion Module allows for efficient utilization of available network resources, enhancing performance and creating a more resilient network infrastructure.
High Availability
In mission-critical environments, high availability is paramount. The Cisco WS-X4920-GB-RJ45 Expansion Module supports features like Cisco Virtual Switching System (VSS) and Nonstop Forwarding (NSF), which further enhance network availability. By utilizing multiple modules and redundant connections, these features ensure continuous operation even during hardware or software failures, minimizing downtime and maximizing productivity.
Future-Proofing
Investing in a networking solution that offers a generous number of ports like the Cisco WS-X4920-GB-RJ45 Expansion Module helps future-proof your network infrastructure. As your business grows or technology evolves, you can easily accommodate new devices and emerging technologies without the need for additional investments or major infrastructure changes. The versatility provided by these ports ensures that your network remains adaptable and ready for future advancements.
In conclusion, the 20 ports offered by the Cisco WS-X4920-GB-RJ45 Expansion Module deliver enhanced connectivity, flexibility, and scalability. They provide increased bandwidth, reduced network congestion, improved network resilience, and support features like link aggregation and high availability. Investing in this expansion module ensures that your network infrastructure can handle current and future demands while maintaining optimal performance and reliability.