Rolm 9200 PBX Phone System 3-Stack Chassis 120V No Boards Telecom Cabinet

Rolm 9200 PBX Phone System 3-Stack Chassis 120V No Boards Telecom Cabinet

This is a Rolm 9200 PBX phone system chassis configured as a three-stack (three-bay) floor-standing cabinet. The unit includes all three chassis shelves with backplane wiring and connector strips, the top-mounted power/control section, and the interconnect cabling visible in the photos. No line cards, processor boards, or subscriber boards are included — this is the bare chassis/frame only. Power input is 120V AC.

Specifications & What's Included

• Manufacturer: Rolm
• Model: 9200
• Configuration: 3-stack (three shelf bays)
• Power input: 120V AC (power supply visible in bottom rear of unit)
• Boards/cards: None included — chassis only
• Backplane: Multi-pin card-edge connector strips present in all three bays
• Rear panel: Multi-pin backplane connectors and labeled terminal/wiring blocks across all three shelves
• Included: Interconnect cabling bundled on top of unit (visible in photos)
• Form factor: Free-standing floor cabinet with integrated base/stand
• Shipping: Palletized freight required due to size and weight

Applications

The Rolm 9200 is a modular Private Branch Exchange (PBX) platform from Rolm Corporation, a major enterprise telephony manufacturer of the 1980s and early 1990s later acquired by Siemens. The 9200 series was designed for mid-to-large enterprise voice switching, providing internal extension calling, trunk line access, and advanced call routing within a business or campus environment. The multi-stack chassis architecture allowed the system to scale by adding additional card bays populated with line cards, processor boards, and interface modules as needed. Buyers typically seek these chassis as replacement or expansion frames for existing Rolm 9200 PBX installations, for board-level testing, or for parts. Rolm 9200 systems were commonly deployed in corporate offices, hospitals, universities, and government facilities through the 1980s and into the 1990s before the transition to VoIP-based telephony systems. Technicians maintaining legacy Rolm PBX infrastructure or system integrators refurbishing older installations are the primary market for this type of chassis.