Cisco 24-Port SFP Line Card

The Cisco Catalyst 4500 Series 24-Port SFP Line Card delivers dense, fiber-based Gigabit Ethernet connectivity designed to power desktops, branch offices, and server clusters. Built for reliability, scalability, and consistent performance, this line card enables enterprises and service providers to build robust metropolitan Ethernet networks, data center edge connections, and campus backbones with high-density fiber ports. It combines Cisco’s trusted interoperability with a flexible design that supports evolving bandwidth needs, secure management, and straightforward integration into existing Catalyst 4500 chassis environments.

• 24 x 1000BASE-X SFP fiber ports offer high-density Gigabit Ethernet connectivity across desktops, branch sites, servers, and core aggregation points. This density supports scalable access and uplink options for modern networks, enabling consolidated fiber infrastructure and simplified cable management across the data center, campus, and remote locations.
• Optimized for fiber interfaces to support flexible deployment in enterprise and commercial networks, including branch backbones, server farms, and metro Ethernet access. The card supports a mix of multimode and single-mode fiber paths, delivering consistent performance for a variety of distance requirements and fiber types, while maximizing compatibility with existing fiber deployments.
• Hot-swappable line card design enables seamless maintenance with minimal downtime. In many scenarios you can upgrade or replace the card without powering down the entire chassis, preserving critical paths and reducing service interruptions during network refreshes or capacity upgrades.
• Designed to integrate with Cisco Catalyst 4500 chassis and compatible supervisor modules, delivering proven interoperability, feature parity, and a familiar management experience. The line card works within Cisco’s stable ecosystem, ensuring consistent IOS/NX-OS behavior, streamlined policy enforcement, and straightforward troubleshooting alongside other Catalyst components.
• Ideal for service providers and enterprises building metro Ethernet networks, offering scalable and investment-protective performance for growing bandwidth needs. The 24-Port SFP Line Card supports dense fiber access in campus networks, edge data centers, and distributed enterprise environments where reliable, low-latency fiber connectivity is essential.

Technical Details of Cisco 24-Port SFP Line Card

• Device type: Line Card for Cisco Catalyst 4500 Series chassis, enabling modular, scalable network expansion.
• Ports: 24 x 1000BASE-X SFP fiber interfaces, providing high-density fiber connectivity for flexible network design.
• Interface technology: Gigabit Ethernet over fiber (SFP modules), supporting a variety of fiber types and link distances per deployment needs.
• Compatibility: Specifically designed for use with Cisco Catalyst 4500 Series backplanes and supported supervisor modules, ensuring consistent feature support and management.
• Form factor and installation: Card-based line card intended for hot-swap installation in supported Catalyst 4500 chassis slots, minimizing downtime during upgrades and maintenance.
• Management and interoperability: Delivers Cisco IOS/NX-OS network features and security capabilities in line with other Catalyst devices, enabling cohesive policy, QoS, and routing across mixed network environments.
• Power and cooling considerations: Engineered to work within standard data center and network closet environments, with appropriate airflow and power provisioning as per Cisco installation guidelines.

How to Install Cisco 24-Port SFP Line Card

• Power down or follow hot-swap procedures as defined in your Cisco chassis and supervisor module documentation when required, ensuring the chassis is in a safe state for hardware changes.
• Identify the correct line card slot within the Catalyst 4500 chassis according to the chassis model and published installation guide. Remove any filler modules or blanking plates to prepare the slot.
• Insert the Cisco 24-Port SFP Line Card firmly into the slot, ensuring the card seats fully and engages the backplane connectors. Verify that the alignment guides and locking mechanism are secured as specified by the hardware manual.
• Install the required 1000BASE-X SFP transceiver modules into the line card ports and connect fiber optic cables to the transceivers. Confirm fiber polarity (TX/RX) and connector types (e.g., LC) match your network design and distance requirements.
• Power up the chassis and monitor the system LEDs and supervisor console to confirm the line card is recognized. If necessary, perform a power-on self-test (POST) and verify that the card appears in the management interface.
• Ensure firmware and software on the Catalyst 4500 chassis are up to date with Cisco-recommended IOS/NX-OS versions to guarantee compatibility and feature continuity with the new line card.
• Configure the new line card components in the network management environment. This includes port assignments, VLAN configurations, port channels, QoS policies, and any necessary routing or bridging rules per your network design.
• Run connectivity tests across all 24 ports using a traffic generator or standard network diagnostic tools to confirm link status, throughput, error rates, and proper operation of fiber interfaces across the deployment scenario.
• Document the installation, including port mappings, fiber link distances, transceiver types, and any special configurations. Schedule periodic health checks to monitor link performance and plan future capacity expansions as needed.

Frequently Asked Questions

• Q: What is the primary use of the Cisco 24-Port SFP Line Card? A: It provides dense, fiber-based Gigabit Ethernet connectivity on Cisco Catalyst 4500 Series chassis, suitable for enterprise desktops, branch offices, servers, and metro Ethernet deployments.
• Q: Which environments benefit most from this line card? A: Environments requiring high-density fiber access, including campus networks, data center edge, branch backbones, and service provider metro networks, where scalable fiber connectivity and centralized management are critical.
• Q: Is the line card hot-swappable? A: Yes. The line card is designed for hot-swapping in supported Catalyst 4500 chassis, allowing maintenance or upgrades with minimal downtime.
• Q: Do I need a specific supervisor module for compatibility? A: The line card is designed to work with compatible Cisco Catalyst 4500 supervisor modules and backplanes as specified in Cisco documentation, ensuring feature compatibility and stable operation.
• Q: What kind of fiber and transceivers are supported? A: The card uses 1000BASE-X SFP transceivers. When deploying, select appropriate multimode or single-mode fiber with the correct connector type (commonly LC) based on distance and network requirements.
• Q: Can I mix this line card with other vendor hardware? A: It is optimized for use within Cisco Catalyst 4500 ecosystems to maintain feature parity, management simplicity, and interoperability with Cisco policy controls. Mixing with non-Cisco line cards is not recommended for full compatibility.
• Q: What performance can I expect? A: Each port provides Gigabit Ethernet capability, and aggregate performance depends on chassis capacity, supervisor features, and configured traffic patterns. Plan for appropriate QoS and port-channel configurations to optimize throughput.