Siemens FN2006-U1


Module Fiber (Sm)

Availability: Estimated 30 days

Condition: New
Brand: Siemens
Status: Active
SKU: 72179
Manufacturer Part #: FN2006-U1
Secondary Part #: S54400-A61-A1


The single-mode (Model FN2006-U1) / multi-mode (Model FN2007-U1) fiberoptic interface module can be used to transmit RS485 communication, relative to Desigo Fire Safety Model FC2025 and FC2050 fire-alarm control panels (FACPs), as well as with the Model FT2050 Desigo Fire Terminal unit. The single-mode / multi-mode fiber-optic module provides X-NET, peer-to-peer network communication between the Desigo 252-point and 504-point FACPs, as well as between each Siemens FireFinder XLS panels.

Additional information

Weight 3 lbs

Siemens Industry, Inc.




Unit of Measurement

EA (Each)

Production Status



  • Uses single-mode or multi-mode fiberoptic pairs
    • Model FN2006-U1 is the single-mode fiber module
    • Model FN2007-U1 is the multimode fiber module
    • Primary power provided by Model FC2025 / FC2050 panels and FireFinder XLS systems
    • Shared / distributed power, via the Fire Terminal Board, Model FT2050
  • Works with X-NET peer-to-peer network communications with the (2nd Generation) Network Ring Card, Model NRC
  • ‘Style 4’ or ‘Style 7’ communication
  • Fully supervised
  • Operates in a daisy-chain configuration
  • UL 864 10th Edition Listed, ULC-S527 3rd Edition Listed
  • FM (#3010), CSFM (#7165-0067:0259)
  • NYCFD (#6104) Approved


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Single-Mode & Multi-Mode Fiber-Optic Module; FN2006-U1, FN2007-U1


Siemens – Data Sheet