Description:

The Cisco WS-X4548-GB-RJ45 Catalyst 4500 Enhanced 48-Port Line Card is used in Cisco Catalyst 4500 Series modular switches to provide high-density Gigabit Ethernet connectivity for enterprise network infrastructures. This line card module delivers 48 RJ45 Gigabit Ethernet ports designed to support reliable data communication between network devices within large campus and data center networks. Designed for integration with Catalyst 4500 chassis systems, it enables scalable network expansion while maintaining high switching performance and centralized network management. Network administrators and system integrators commonly install this module for repair, retrofit, expansion, or replacement in enterprise switching platforms and campus network deployments.

Applications:

The Cisco WS-X4548-GB-RJ45 line card is commonly used in enterprise campus networks, corporate data centers, and large organizational IT infrastructures where modular switching platforms are deployed. It is typically installed in Cisco Catalyst 4500 chassis switches to provide high-density Gigabit Ethernet connections for servers, access switches, workstations, and other network devices, supporting scalable network expansion and centralized switching management.

Technical Specifications:

• Manufacturer: Cisco Systems
• Manufacturer Part Number (MPN): WS-X4548-GB-RJ45
• Product Type: Ethernet Switch Line Card Module
• Series: Cisco Catalyst 4500 Enhanced Series
• Ports: 48 × 10/100/1000 Gigabit Ethernet RJ45 ports
• Interface Type: Copper Ethernet (RJ45)
• Compatibility: Cisco Catalyst 4500 Series chassis switches
• Switching Function: High-density Gigabit Ethernet connectivity
• Network Standards: IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
• Installation Type: Chassis line card module
• Application: Enterprise switching and network expansion
• Operating Environment: Designed for enterprise data center and campus network equipment racks

Common Replacements:

• Cisco WS-X4648-RJ45V+E Catalyst 4500E 48-Port Gigabit Line Card
• Cisco WS-X4748-RJ45V+E Catalyst 4500E 48-Port Gigabit Line Card
• Cisco WS-X4748-12X48U+E Catalyst 4500E UPOE Line Card