Description The Simplex 4100-9701 is a Master Controller Bay designed for the 4100ES Series Fire Detection and Control Panels. It integrates the main controller board, ES power supply, and operator interface with expansion space for optional modules. This unit enables reliable system operation with secure data storage and fast Ethernet communication for mid- to large-scale fire alarm applications. Technical Specifications Condition New/Never Used Surplus Brand Simplex Category Fire Alarm Systems Part Number 4100-9701 Subcategory Control Units Manufacturer Johnson Controls Series Simplex 4100ES Type Master Controller Bay Power Supply Integrated ES power supply Communication Onboard Ethernet port Memory Compact flash for configuration storage Diagnostics Automatic and manual functions for maintenance Event Logging 1000 alarm + 1000 trouble events (2000 total) Operator Interface Menu-driven LCD display Access Control Password-protected operation Programming PC-based label editing support Mounting Style Rack/cabinet bay Production Status Active Unit of Measurement Each (EA) Dimensions 24.00 × 56.00 × 11.78 in Weight 16 lbs (base) / 20.3 lbs (shipping) Information About 4100-9701 The 4100-9701 is part of the Simplex 4100ES Series, engineered for addressable fire alarm systems requiring scalability and flexibility. Its design includes a master controller, power supply, and operator controls in a single cabinet bay, reducing installation complexity. The controller supports PC-based configuration and provides secure electronic file archiving through compact flash memory. Built for demanding system environments, it offers advanced diagnostics, password protection, and efficient service communication via Ethernet. Key Features: Master Controller Bay: Includes power supply, control board, and operator interface in one enclosure. Menu-Driven LCD Display: Provides intuitive navigation and clear operator information. Extensive Diagnostics: Automatic and manual functions simplify troubleshooting and maintenance. Event History Storage: Supports up to 2000 events, viewable, printable, or downloadable for recordkeeping. Secure File Storage: Compact flash memory ensures reliable job configuration archiving. Password Access Control: Protects against unauthorized access to system functions. PC Programmer Support: Allows efficient label editing and configuration updates. Ethernet Connectivity: Provides fast external communications for setup and service. The 4100-9701 delivers the reliability and precision required for advanced addressable fire alarm control applications.