Two-Way Signaling of a Contact Closure Over Fiber

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Temperature Icon

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Features
  • Convenient LED status indicators
  • Available with ST connectors for single or multi-mode fiber
  • Input will sense a dry contact closure
  • Output relay is rated to support to 60 Watts
  • Can be powered by 12-48VDC
  • Pluggable terminal blocks
  • Alarm contact for status monitoring
  • Wide operating temp -40°F to +158°F (-40°C to +70°C)
  • Standard T35 DIN rail or wall mountable
  • Limited Lifetime Warranty

  • Made in USA
Overview

This Bi-Directional Contact Closure Fiber Link system provides two-way transmission of a contact closure signal over optical fiber. Applications include alarm event triggering, building automation, environmental control systems, fire & alarm systems, gate control, traffic signal control equipment, and more.

This contact closure system is designed to operate over an extreme temperature range, providing reliability in non-temperature controlled environments. Accepts a wide power input rage of 12 through 48 volts DC allowing for flexibility in installation.

Specifications

For a comprehensive review of the product specs, please see the Data Sheet, or feel free to contact us with any questions.


Wavelength:
Multimode: 850nm
Singlemode: 1310nm


Fiber Type/Distance:
Multimode (62.5/125µm, 50/125µm): 1.2 miles (2km)
Singlemode (9/125µm): 9 miles (15km)
Singlemode Long Haul: 29 mi. (48 km)

*Note: Distances equated using industry standard fiber and connector attenuation of 3dB/Km. Fiber condition, splices and connectors may affect actual range.


Fiber Connector Type:
ST


Construction:
Steel and Aluminum Alloy, Powder coated


Mounting Style:
Standard DIN rail (TS-35) or wall mount


Dimensions:
H4.93” x W1.2” x D3.5” (100mm x 31mm x 89mm)
Not including connectors, Din Clip, or Wall Mount Ears


Powering:
12~48VDC


Operating Temperature:
-40˚F to +158˚F (-40˚C to +70˚C)

Diagrams
System Application Diagram

System Application Diagram

Fiber Cable Continuity Monitor

Fiber Cable Continuity Monitor

Downloads

Download the RLH Data Sheet

Download the RLH User Guide

Ordering
  • A complete system requires two devices with the same part

Please submit a quote request or contact your RLH sales representative for pricing and delivery information.

Numbers

1CD-IO-03-1
1CD-IO-20-1
1CD-IO-21-1