Cabletron FDMMIM-04 E-net FDDI Bridging Module MMF

Overview
The Cabletron FDMMIM-04 E-net FDDI Bridging Module MMF is a high-performance, multi-mode fiber optic interface designed to extend and bridge FDDI networks with exceptional reliability. Engineered for seamless integration into existing Ethernet and FDDI infrastructures, this module provides fast data transport over multimode fiber while maintaining low latency and robust error handling.

Key Features

• Supports full duplex operation up to 100 megabits per second per channel
• Four independent multimode fiber ports for flexible network topology
• Built-in link integrity monitoring and automatic fault isolation
• Compact, plug-in form factor compatible with standard Cabletron chassis
• Hot-swap capable for minimal downtime during upgrades or maintenance
• Low power consumption for efficient operation in dense network environments

Technical Specifications

• Model/Part Number: FDMMIM-04
• Connector Type: ST or SC multimode fiber (depends on configuration)
• Fiber Type: Multimode (MMF) 62.5 micron or 50 micron
• Data Rate: 100 megabits per second per port
• Operating Temperature: 0 to 55 degrees Celsius
• Power Supply: 12 VDC, 250 mA per module
• Dimensions: Standard 19 inch rack mount, 1U height
• Compliance: IEEE 802.5, RoHS compliant

Applications
The FDMMIM-04 is ideal for enterprise campus backbones, data center interconnects, and high-speed research networks where reliable fiber bridging is required. It excels in environments that demand low latency and high availability, such as financial trading floors, multimedia production studios, and large-scale academic campuses. Use this module to extend FDDI segments, connect legacy fiber systems to modern Ethernet switches, or create redundant paths for fault-tolerant network designs.