The WS-X6148-RJ-45 is a 48-port Fast Ethernet switching module designed for Cisco Catalyst 6500 Series modular switches. It provides high-density 10/100 Mbps RJ-45 copper connectivity, making it suitable for enterprise access-layer deployments such as office networks and campus environments. The module supports optional Power over Ethernet (PoE) upgrades via daughter cards and integrates with the Catalyst 6500 switching architecture for reliable Layer 2 performance.

Key Features

• 48 × 10/100 Mbps Fast Ethernet ports (RJ-45)
• High-density copper connectivity for access layer
• Supports full and half duplex operation
• Optional PoE support via daughter card (upgradeable variants)
• Hot-swappable module for uninterrupted operation
• Designed for Cisco Catalyst 6500 Series chassis
• VLAN, QoS, and enterprise Layer 2 switching features
• IPv6 support and jumbo frame capability

Technical Specifications

• Part Number: WS-X6148-RJ-45
• Platform: Cisco Catalyst 6500 Series
• Ports: 48 × RJ-45 Ethernet ports
• Speed: 10/100 Mbps autosensing
• Duplex: Full / Half duplex
• Cabling: Category 5/5e/6 UTP (up to 100 m)
• Forwarding Rate: ~6.6 Mpps
• Buffer Memory: ~6 MB
• MAC Address Table: ~32K entries
• Form Factor: Single-slot line card
• Dimensions: ~14.4 × 16.0 × 1.2 in
• Weight: ~8 lb (≈3.6 kg)
• Layer Support: Layer 2 switching
• Hot-swappable: Yes