The CISCO575-LRE is a Long Reach Ethernet (LRE) Customer Premises Equipment (CPE) device designed to extend Ethernet connectivity over existing telephone wiring. It acts as a bridge, converting LRE (VDSL-based) signals from a Cisco LRE switch into standard Ethernet for end devices such as PCs or IP phones. This solution was primarily used in environments where upgrading cabling infrastructure was not feasible, such as hotels, campuses, or older buildings.

Key Features

• Extends Ethernet over existing telephone (Cat 1/2/3) wiring
• VDSL-based LRE technology (5–15 Mbps over long distances)
• 1 × Fast Ethernet (10/100 Mbps) RJ-45 port
• 2 × RJ-11 ports (LRE line + analog phone pass-through)
• Supports simultaneous voice (POTS) and data on same line
• Plug-and-play customer edge device
• Compatible with Cisco Catalyst 2900 LRE XL switches
• Compact desktop or wall-mount form factor

Technical Specifications

• Part Number: CISCO575-LRE
• Product Type: LRE CPE / Media Converter
• Technology: Long Reach Ethernet (VDSL-based)
• Ethernet Port: 1 × 10/100Base-TX RJ-45
• Phone Ports: 2 × RJ-11 (LRE + POTS pass-through)
• Media Type: Twisted pair telephone wiring
• Max Distance: Up to ~5,000 feet (~1.5 km)
• Throughput: ~5–15 Mbps full duplex
• Form Factor: External compact unit
• Deployment: Customer edge (room/office endpoint)
• Status: Discontinued (legacy product)