WS-X4248-RJ45V Cisco Catalyst 48 Ports Ethernet Switch

Cisco WS-X4248-RJ45V 48-Port Ethernet Switching Module

The Cisco WS-X4248-RJ45V Catalyst 48 Ports Ethernet Switch Module is a high-performance switching module designed for enterprise-grade network infrastructures. Built to deliver reliable Fast Ethernet connectivity, this module provides a dense 48-port RJ-45 configuration optimized for scalable LAN environments and robust data handling.

General Information

• Manufacturer: Cisco 
• Part Number: WS-X4248-RJ45V
• Device Type: Ethernet Switching Module
• Port Configuration: 48-Port RJ-45 Fast Ethernet

Port and Interface Details

• 48 x RJ-45 ports supporting 10/100Base-TX standards
• Auto-negotiation capability for speed and duplex settings
• Twisted pair media compatibility
• Designed for Fast Ethernet traffic management

Ideal Deployment Areas

• Enterprise core and distribution switching
• Campus network aggregation layers
• Branch office network expansion
• Data center access layer switching

Fast Ethernet Capabilities

• Supports IEEE 10/100Base-TX networking standards
• Maximum data transfer rate up to 100 Mbps per port
• Low latency packet forwarding architecture
• Optimized switching fabric integration

Media and Cabling Support

• Twisted pair copper cabling (Cat5/Cat5e compatible)
• Cost-efficient infrastructure deployment
• Reliable short-to-medium distance networking

Hardware Requirements

• Requires one expansion slot in supported Catalyst chassis
• Seamless integration with modular Cisco Catalyst systems

Supported Software Platforms

• Cisco IOS Software Release 12.2(18)EW
• Catalyst OS Version 8.3(1)GLX

Operational Optimization Features

• Advanced routing and switching protocol support
• Enhanced network traffic control
• Stable firmware-based system management

Operating Environment Range

• Humidity tolerance: 10% to 90% non-condensing
• Operating altitude: -196.85 ft to 13,123.36 ft
• Designed for varied enterprise deployment conditions

Compatibility with Cisco Catalyst Platforms

Supported Catalyst Switch Models

• Cisco Catalyst 4503
• Cisco Catalyst 4506
• Cisco Catalyst 4507R
• Cisco Catalyst 4510R
• Cisco Catalyst 4003
• Cisco Catalyst 4006

Expansion Advantages

• Modular upgrade flexibility
• Cost-effective network scaling
• Backward-compatible Catalyst integration

Enterprise Networking Benefits

Operational Efficiency

• High port density reduces hardware footprint
• Efficient Fast Ethernet traffic distribution
• Reliable Cisco switching architecture

Business Network Advantages

• Improved LAN performance and stability
• Centralized network management capability
• Enhanced scalability for growing organizations

Cisco WS-X4248-RJ45V 48-Port Ethernet Switch Overview

The Cisco WS-X4248-RJ45V Catalyst 48 Ports Ethernet Switch is a high-density switching module designed for enterprise-grade network infrastructures requiring scalable, reliable, and high-performance Ethernet connectivity. As part of the widely deployed Catalyst switching ecosystem from Cisco Systems, this module is engineered to deliver robust Layer 2 switching capabilities, efficient traffic management, and seamless integration into modular chassis-based switching environments.

Built for demanding business networks, campus deployments, and data center edge applications, the Cisco WS-X4248-RJ45V provides 48 RJ-45 copper Ethernet ports, enabling organizations to support a large number of end devices such as workstations, IP phones, wireless access points, and networked printers without sacrificing performance or stability.

Enterprise Networking Role and Deployment Use Cases

The Cisco Catalyst WS-X4248-RJ45V switch module is typically deployed in environments where port density and predictable performance are essential. Its design aligns with enterprise campus switching architectures, allowing IT administrators to expand connectivity within modular Catalyst chassis systems.

This module is frequently utilized in corporate office networks, educational institutions, government facilities, and large-scale enterprise environments where centralized switching and structured cabling are standard. The 48-port configuration allows for simplified network expansion while reducing the need for multiple smaller access switches.

Campus Network Integration

Within campus network deployments, the Cisco WS-X4248-RJ45V serves as an access-layer switching module that aggregates endpoint devices and forwards traffic efficiently to distribution and core layers. Its high port density makes it suitable for wiring closets and telecom rooms where space optimization and structured connectivity are required.

Data Center Edge Connectivity

In data center environments, this Catalyst switch module can be deployed at the edge layer to handle management networks, out-of-band control traffic, and low-latency connectivity between infrastructure components. Its predictable performance ensures stable communication between servers, storage systems, and monitoring appliances.

Enterprise Office Networks

For enterprise office environments, the Cisco WS-X4248-RJ45V supports a wide range of endpoint devices including VoIP phones, desktop PCs, conference systems, and security cameras. Its ability to deliver consistent Ethernet connectivity ensures smooth business operations and minimal network downtime.

Hardware Architecture and Design Characteristics

The Cisco WS-X4248-RJ45V Catalyst switch module is designed with enterprise hardware reliability in mind. It features a robust switching architecture capable of handling significant traffic loads while maintaining low latency and stable throughput across all 48 ports.

48-Port RJ-45 Ethernet Interface Design

Each of the 48 RJ-45 ports supports standard Ethernet connectivity, enabling integration with existing structured cabling systems that rely on copper-based infrastructure. This design choice ensures compatibility with a wide range of network devices without requiring specialized transceivers or fiber modules.

High-Density Port Configuration

The high-density port layout allows network engineers to maximize switch utilization within a single chassis slot, reducing rack space consumption and simplifying cable management. This configuration is especially beneficial in environments where physical infrastructure efficiency is critical.

Scalable Modular Integration

The switch module is designed for installation into compatible Cisco Catalyst chassis systems, enabling organizations to scale their network capacity by adding or replacing modules as required. This modular approach enhances flexibility and future-proofs network infrastructure investments.

Switching Fabric Performance

The switching fabric within the Cisco WS-X4248-RJ45V is optimized to support high-speed data transfer between connected devices. It ensures minimal packet loss and efficient handling of simultaneous data streams, which is essential for modern enterprise applications such as VoIP, video conferencing, and cloud-based services.

Low-Latency Packet Forwarding

Low-latency forwarding capabilities allow the switch to process and transmit data packets quickly, reducing delays in time-sensitive applications. This makes it suitable for environments where real-time communication and rapid data access are critical.

Traffic Optimization Mechanisms

The module incorporates intelligent traffic handling features that help prioritize network flows and maintain consistent performance during peak usage periods. These mechanisms contribute to stable network behavior even under heavy load conditions.

Network Performance and Operational Efficiency

The Cisco Catalyst WS-X4248-RJ45V switch module is engineered to maintain high operational efficiency across diverse network workloads. It supports consistent throughput levels and ensures reliable data transmission across all connected endpoints.

Bandwidth Management Capabilities

Effective bandwidth distribution across multiple ports allows the switch to support simultaneous high-demand applications without performance degradation. This is particularly important in environments where multiple users access cloud services, internal databases, and communication platforms at the same time.

Traffic Segmentation Support

The switch enables logical segmentation of network traffic, improving security and performance by isolating different types of data flows. This helps organizations maintain structured network environments and reduce congestion.

Quality of Service Handling

Quality of Service (QoS) support ensures that critical applications such as voice and video receive priority over less time-sensitive traffic. This improves user experience and maintains service reliability across the network.

Reliability and Fault Tolerance

The Cisco WS-X4248-RJ45V is designed with enterprise-grade reliability features that support continuous operation in mission-critical environments. Its architecture is built to minimize downtime and ensure stable network availability.

Redundant Network Design Compatibility

This switch module integrates seamlessly into redundant network topologies, allowing organizations to implement failover strategies that maintain connectivity even in the event of hardware or link failures.

Security Features and Network Protection

Security is a critical aspect of enterprise networking, and the Cisco WS-X4248-RJ45V Catalyst switch module incorporates multiple mechanisms designed to protect network integrity and prevent unauthorized access.

Access Control and Port Security

Port-level security features allow administrators to control which devices can connect to specific switch ports. This reduces the risk of unauthorized access and helps maintain a secure network perimeter within internal environments.

Network Segmentation for Security

By segmenting network traffic into logical groups, organizations can isolate sensitive systems and limit exposure to potential threats. This approach enhances overall network resilience and data protection.

Controlled Device Authentication

Device authentication mechanisms ensure that only approved endpoints are allowed to communicate through the switch, reinforcing security policies across enterprise networks.

Scalability and Network Expansion Capabilities

The Cisco WS-X4248-RJ45V Catalyst switch module is designed with scalability in mind, allowing organizations to expand their network infrastructure without significant redesign or replacement costs.

Modular Expansion Flexibility

As part of a modular Catalyst system, the switch can be added to existing chassis environments to increase port density and network capacity. This flexibility supports evolving business requirements and growing user bases.

Incremental Infrastructure Growth

Organizations can scale their network incrementally by adding additional modules rather than replacing entire switching systems. This reduces capital expenditure and simplifies network upgrades.

Compatibility with Enterprise Architectures

The module is designed to integrate into standardized enterprise network architectures, ensuring compatibility with existing routing, switching, and management systems.

Operational Management and Maintenance

Efficient management and maintenance are key aspects of enterprise network operations, and this switch module is designed to simplify administrative tasks while maintaining high performance.

Centralized Network Administration

The switch integrates into centralized management systems, allowing administrators to monitor and configure network operations from a unified interface. This reduces complexity and improves operational efficiency.

Configuration Consistency

Centralized management ensures consistent configuration across multiple switch modules, reducing the risk of misconfiguration and improving network stability.