Signal Input Module

Model No.: LF-SI-6105


  • Low Profile Design
  • Built-in CPU
  • Interfaces Normally Open Dry Contacts
  • ALARM FIRST! – Less than 1 second
  • Data Transfer Speed and Reliability
  • Polarized Wiring
  • LED Status Indicators
  • High Performance at Low Cost
  • Two Wire System
  • Use LF-DP-6190 for device addressing


The LF-SI-6105 Signal Input Module provides the means of connecting Direct Shorting Devices to the Fire Alarm Control Panel. The module converts a normally open contact input which could monitor and report the status of the contact to the Fire Panel.

It also adopts pre-emptive alarm technology which organizes the data received from the detection loop. The information with the highest priority would Other collected data shall be transmitted to the controller based on their priority status which ensures the rapid response of the system. Fire Alarm can be received in less than 1 second.

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