1. Introduction
This manual provides essential information for the proper installation, operation, and maintenance of the Simplex 4100-1284 8 Switch, 16 LED Module. This module is designed to integrate with Simplex 4100 series fire alarm control panels, providing additional input and output capabilities for system monitoring and control. Understanding the contents of this manual is crucial for ensuring the reliable and safe performance of the fire alarm system.
2. Safety Information
Important Safety Instructions:
- Installation and servicing must be performed by qualified personnel only.
- Disconnect all power sources before servicing or installing the module to prevent electric shock or damage to the equipment.
- Adhere to all local and national electrical codes and regulations.
- Ensure proper grounding of the system.
- Do not operate the module with damaged components or wiring.
- Refer to the main fire alarm control panel manual for comprehensive system safety guidelines.
3. Product Overview
The Simplex 4100-1284 module is an expansion component for Simplex 4100 series fire alarm control panels. It provides eight user-operable switches and sixteen LED indicators for enhanced system control and status visualization.

Figure 3.1: Simplex 4100-1284 Module Front Panel
This image displays the front panel of the Simplex 4100-1284 module. It features eight white circular push-button switches arranged vertically on the left side. To the right of each switch, there are two LED indicators, typically red and green, totaling sixteen LEDs. These indicators provide visual status for the associated switches or monitored zones, allowing operators to quickly assess system conditions and interact with specific functions.
3.1 Components
- 8 Switches: Push-button switches for manual control or acknowledgment functions, configurable via the main panel.
- 16 LEDs: Light Emitting Diodes providing visual status. Typically, two LEDs (e.g., red for alarm/fault, green for normal/active) are associated with each switch or monitored point.
- Module Connectors: Rear connectors for integration with the fire alarm control panel backplane or wiring harness.
4. Setup and Installation
Installation of the Simplex 4100-1284 module should only be performed by certified fire alarm technicians in accordance with all applicable codes and standards (e.g., NFPA 72, local building codes).
4.1 Pre-Installation Checks
- Verify that the module model number matches the system requirements.
- Inspect the module for any physical damage.
- Ensure the main fire alarm control panel is powered off before beginning installation.
4.2 Installation Steps
- Carefully align the module with the designated slot or mounting position within the Simplex 4100 series panel enclosure.
- Gently push the module into place, ensuring all connectors are securely seated.
- Secure the module using any provided fasteners or locking mechanisms.
- Refer to the main panel's wiring diagrams for specific connection details if external wiring is required for the switches or LEDs.
- Once physically installed, power on the main fire alarm control panel.
- Configure the module within the fire alarm control panel's programming interface according to the system design and operational requirements. This typically involves assigning functions to switches and defining LED indications.
5. Operating the Module
The operation of the 8 switches and 16 LEDs is entirely dependent on the configuration programmed into the main Simplex 4100 series fire alarm control panel. Operators should be trained on the specific functions assigned to each switch and the meaning of each LED indicator within their particular system.
5.1 Switch Functions
Each of the eight switches can be programmed for various functions, such as:
- Acknowledge: To acknowledge an alarm or trouble condition.
- Silence: To silence audible alarms.
- Reset: To reset the fire alarm system after an event.
- Control: To activate or deactivate specific system outputs (e.g., fan shutdown, door release).
- Test: To initiate a system test sequence for a specific zone or device.
Always refer to the system's site-specific operational procedures for the exact function of each switch.
5.2 LED Indicators
The sixteen LEDs provide visual feedback on the status of monitored points or system conditions. Common indications include:
- Red LED (Solid): Indicates an active alarm condition.
- Red LED (Flashing): May indicate a new alarm or a specific type of fault requiring immediate attention.
- Green LED (Solid): Indicates normal operation, power on, or a specific device/zone is active and healthy.
- Yellow/Amber LED (Solid/Flashing): Typically indicates a trouble condition, supervisory signal, or a disabled zone.
The specific color and flash patterns of the LEDs are defined during system programming. Consult the system's operational documentation for detailed interpretations.
6. Maintenance
Regular maintenance is essential to ensure the continued reliability and functionality of the Simplex 4100-1284 module and the overall fire alarm system. All maintenance procedures should be conducted by qualified service technicians.
6.1 Routine Checks
- Visual Inspection: Periodically inspect the module for any signs of physical damage, loose connections, or excessive dust accumulation.
- Functionality Test: As part of routine system testing, verify that all switches operate correctly and that LEDs illuminate as expected during various system states (e.g., alarm, trouble, normal).
- Cleaning: If necessary, gently clean the module's front panel with a soft, dry cloth. Avoid using abrasive cleaners or solvents.
6.2 Preventative Maintenance
Follow the preventative maintenance schedule outlined in the main Simplex 4100 series fire alarm control panel manual and local fire codes. This typically includes annual or semi-annual comprehensive system inspections and tests.
7. Troubleshooting
This section provides general troubleshooting guidance. For detailed diagnostics and repairs, contact a qualified fire alarm service technician.
| Problem | Possible Cause | Action |
|---|---|---|
| Module LEDs are off, no response from switches. | No power to the module or main panel; module not properly seated; communication fault. |
|
| Specific LED not illuminating or stuck on. | Faulty LED; wiring issue to the monitored point; programming error. |
|
| Switch not responding. | Faulty switch; wiring issue; programming error. |
|
| Module causing system trouble condition. | Module fault; incorrect installation; incompatible firmware. |
|
Always consult the main fire alarm control panel's diagnostic tools and event logs for more specific troubleshooting information.
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | 4100-1284 |
| Brand | SIMPLEX |
| Description | 8 Switches, 16 LED Module |
| Part Number | S41001284 |
| Power Source | Battery Powered (as part of the main panel system) |
| Item Package Quantity | 1 |
| UPC | 742779297693 |





