Siemens (Pyro) MMB-1-RC
Siemens (Pyro) MMB-1-RC
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The Siemens (Cerberus Pyrotronics) MMB-1 is the main CPU motherboard for the MXL and MXLV intelligent fire alarm control panels, carrying Siemens part number 500-890376. It runs the panel's system software, drives the analog addressable loop electronics, and processes input from field devices and the MKB annunciator/keyboard; it was the original main processor board for the MXL platform, later superseded by the MMB-2 and MMB-3.
Key Features
- Main CPU motherboard for the Siemens MXL/MXLV fire alarm platform
- Processes loop device data and operator commands from the panel keyboard/annunciator
- Original MXL main processor board, later succeeded by the MMB-2 and MMB-3
Technical Specifications
- Siemens Part Number: 500-890376
- Compatibility: Siemens (Cerberus Pyrotronics) MXL and MXLV fire alarm control panels
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