Description
The Siemens FN2013-U1 is a single-mode fiber-optic interface module designed to transmit RS-485 and H-Net communication between compatible Siemens fire alarm control panels over long-distance fiber-optic networks. Powered by 24 VDC, it enables reliable, high-speed communication while extending network reach in large commercial and industrial fire alarm installations.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Siemens |
| Category |
Fire Alarm Systems |
| Part Number |
FN2013-U1 |
| Subcategory |
Fiber-Optic Interface Module |
| Product Type |
Single-Mode Fiber Communication Module |
| Fiber Type |
Duplex 9/125 µm single-mode fiber |
| Fiber Connector |
SC duplex |
| Communication Protocol |
RS-485, H-Net |
| Operating Mode |
Repeater or end-point |
| Operating Voltage |
24 VDC |
| Maximum Fiber Segment Length |
131,000 ft (40 km) |
| Maximum Total Network Length |
70,000 ft (21.3 km) |
| Network Topology |
Daisy chain or star |
| Status Indicators |
10 LEDs (Power, TX, RX, Status) |
| Compatible Systems |
Desigo Fire Safety Modular, Cerberus PRO Modular, FireFinder XLS |
| Compatible Enclosures |
CAB-1, CAB-2, CAB-3, CAB-series |
| Mounting |
COM-BRK mounting plate |
| Power Supply Compatibility |
Fire alarm panel, PSC-12, PSX-12, PAD-3, PAD-4, PAD-5 |
| Application |
Fiber-optic network communication for fire alarm systems |
| Weight |
Approximately 1.0 lb (0.45 kg) |
Information About FN2013-U1
The FN2013-U1 is part of the Siemens fiber-optic communication interface family developed for Desigo Fire Safety Modular, Cerberus PRO Modular, and FireFinder XLS fire alarm systems. It converts copper-based RS-485 communication to single-mode fiber, supporting both repeater and end-point operation for flexible network design. The module supports daisy-chain and star network topologies, allowing installations that exceed the limitations of conventional RS-485 wiring while maintaining dependable H-Net communication between main and remote control panels. Equipped with comprehensive LED diagnostics and designed for installation inside Siemens CAB-series enclosures, it provides a scalable communication solution for large life safety networks.
Key Features:
- Single-Mode Fiber Interface: Supports long-distance communication using 9/125 µm single-mode fiber.
- RS-485 Communication: Converts RS-485 signals to fiber-optic transmission.
- H-Net Compatibility: Supports Siemens H-Net communication between compatible control panels.
- Long-Distance Transmission: Provides fiber segments up to 131,000 ft (40 km).
- Flexible Network Design: Supports both daisy-chain and star network topologies.
- Repeater or Endpoint Mode: Configurable for network expansion or termination.
- LED Diagnostics: Ten onboard LEDs provide power, transmit, receive, and status indication.
- 24 VDC Powered: Operates directly from compatible Siemens fire alarm power supplies.
- Multiple Power Options: Compatible with PSC-12, PSX-12, and PAD-3/4/5 power supplies.
- CAB-Series Mounting: Installs using the COM-BRK mounting plate inside CAB-series enclosures.
- Commercial Reliability: Engineered for mission-critical fire alarm communication networks.
- Seamless System Integration: Designed for Desigo FSM, Cerberus PRO Modular, and FireFinder XLS systems.
The FN2013-U1 delivers the reliability and precision required for long-distance fiber-optic communication in commercial fire alarm and life safety networks.
