The Tyco 125-165-159 is an MX CPU PCB Card used as the central processing board in Tyco EPG/MX fire alarm control systems. It performs the core processing and system-control functions required for fire detection, alarm logic, monitoring, and communication. The board is associated with assembly 125-585-420, Issue 5 in available listings. It is designed for use within Tyco EPG fire alarm panels and is particularly relevant for maintenance, repair, and replacement of legacy marine fire detection systems.
Features
- MX CPU / central processing PCB
- Designed for Tyco EPG/MX fire alarm systems
- Provides central processing and system-control functions
- Supports fire alarm logic and system monitoring
- Associated with Assembly 125-585-420
- Issue 5 configuration documented for this part
- PCB construction suitable for installation inside fire alarm control equipment
- Suitable for replacement and maintenance of legacy Tyco systems
- Can be used with associated Tyco EPG network/interface cards depending on system configuration
Typical Applications
- Marine fire detection and alarm control panels
- Tyco EPG/MX fire alarm systems
- Shipboard fire alarm networks
- Engine-room and machinery-space fire protection
- Passenger and commercial vessel fire alarm systems
- Offshore fire and safety systems
- Fire alarm panel repair and PCB replacement
- Retrofit and maintenance of legacy Tyco installations




