FW2331 - Notification Appliance Expansion Module
Intelligent Output Control • NAC Expansion • Audio/Visual Integration
FW2331
The FW2331 NOU (Notification Output Unit) provides intelligent output expansion for fire alarm notification appliance circuits. It enables system scalability and supports additional audio/visual notification devices.
| Model Number | FW2331 |
| Product Name | NOU Output Unit |
| Category | Notification Expansion Module |
| Certification | Component Rated |
| Manufacturer | Maple Armor / Tongfang |
| Warranty | 2-Year Standard |
| Output Channels | 2 Independent NAC Circuits |
| Circuit Capacity | 1.5A per Circuit, 3A Total |
| Output Voltage | 24VDC (Nominal) |
| Communication Protocol | Proprietary NOU Protocol |
| Data Rate | 9600 bps |
| Power Supply | 24VDC @ 500mA |
| Power Consumption | Standby: 75mA, Active: 300mA |
| Operating Voltage | 18-30VDC |
| Operating Temperature | -10°C to +55°C (14°F to 131°F) |
| Storage Temperature | -20°C to +70°C (-4°F to 158°F) |
| Humidity | 10% to 93% RH (Non-condensing) |
| Enclosure | Metal, DIN Rail or Panel Mount |
| Dimensions (HxWxD) | 5.5" x 8.5" x 2.5" (140 x 216 x 64mm) |
| Weight | 2.0 lbs (0.91 kg) |
The FW2331 NOU (Notification Output Unit) is an intelligent output expansion module designed to extend the notification appliance circuit capacity of Maple Armor fire alarm systems. It provides additional output circuits for audio and visual notification devices.
Two independent notification appliance circuits with 1.5A capacity each.
Advanced microprocessor control with real-time monitoring and diagnostics.
Simple DIN rail or panel mounting with clear terminal connections.
Supports audio notification devices
Supports visual notification devices
Synchronized strobe capability
Temporal code 3 alarm pattern
March time pattern
System voice messaging
Test mode activation
Walk test support
14-16 AWG for 24VDC power. Separate power supply or FACP power.
Shielded twisted pair for NOU communication (18-22 AWG).
12-18 AWG for notification circuits. Follow NEC requirements.
Add notification circuits for new building wings or floors.
Upgrade existing notification systems without panel replacement.
Additional notification circuits for high-noise industrial areas.
Cost-Effective: Avoid complete system replacement
Time-Saving: Quick installation and configuration
Flexible: Multiple mounting options
Reliable: Industrial-grade construction
Scalable: Multiple units can be cascaded
Serviceable: Easy maintenance and troubleshooting