Cabletron MMAC Plus 9C114 14-Slot Modular Chassis SmartSwitch SS-9000

Cabletron MMAC Plus 9C114 14-Slot Modular Chassis SmartSwitch SS-9000

The Cabletron MMAC Plus 9C114 is a 14-slot modular chassis designed for the Cabletron SmartSwitch SS-9000 system. It provides the physical backbone for building a high-density, fully modular network hub or switch stack — accepting a wide range of Cabletron MMAC Plus interface and management modules across all 14 slots. Dual power supply bays (visible on the rear panel) support redundant power configurations for increased uptime.

Specifications & What's Included

• Manufacturer: Cabletron Systems
• Product Line: SmartSwitch SS-9000 / MMAC Plus
• Part Number: 9C114
• Number of Module Slots: 14
• Power Supply Bays: 2 (dual redundant; power supplies not included)
• Form Factor: Modular cabinet / wall-mount enclosure
• Front panel: open-bay design with card guides and backplane
• Chassis only — no module cards, power supplies, or cables included

Applications

The Cabletron MMAC Plus platform was a mainstay of enterprise campus networking in the 1990s and early 2000s, when organizations needed high-slot-count modular hubs and switches to aggregate Ethernet, Token Ring, FDDI, and ATM segments across buildings. The SS-9000 series with the MMAC Plus chassis was deployed in data centers, university networks, and large corporate campuses where centralized wiring closet aggregation was the dominant architecture. Today these chassis are sought by network engineers maintaining legacy Cabletron infrastructure, labs running period-accurate network testbeds, and integrators looking to expand existing MMAC Plus deployments. The 14-slot capacity made it one of the larger MMAC Plus chassis options, suitable for high-density departmental or backbone aggregation roles.