Cabletron 9F102-8 MMAC PLUS FDDIBlade 8-Port Fiber FDDI Switch

Cabletron 9F102-8 MMAC PLUS FDDIBlade 8-Port Fiber FDDI Switch

The Cabletron 9F102-8 MMAC PLUS is an 8-port fiber FDDI switching blade designed for high-speed token-ring network environments. FDDI (Fiber Distributed Data Interface) was the standard for enterprise backbone and departmental networks during the 1990s, offering 100 Mbps dual-redundant ring topology. This switching module connects directly into compatible Cabletron MMAC Plus backplanes to provide intelligent fiber-optic switching for FDDI workgroups and interconnect applications.

Specifications & What's Included

• Model: Cabletron 9F102-8 MMAC PLUS
• Type: FDDI Network Switch Blade
• Ports: 8 fiber FDDI ports
• Interface: Fiber Distributed Data Interface (FDDI)
• Speed: 100 Mbps per port
• Topology: Dual-ring redundant architecture
• Form Factor: Modular switching blade for MMAC backplane
• Era: 1990s-era enterprise networking equipment
• Included: Switching blade only; no cables, transceivers, or mounting hardware

Applications

The 9F102-8 was deployed in large enterprises and data centers as a critical building block of FDDI backbone networks. These switches interconnected departmental networks, connected high-speed workgroups, and provided fiber-optic redundancy essential for mission-critical systems. FDDI was particularly popular in financial institutions, universities, and media/publishing environments where 100 Mbps speed and fault-tolerance were necessary. While largely superseded by Fast Ethernet and Gigabit Ethernet, FDDI switching equipment remains functional for legacy network maintenance, museum/historical computing restoration, and educational study of token-ring and early high-speed network technology.