RELATED PRODUCTS

4RU PLUG-IN CARD HOUSINGS
We carry Indoor or outdoor rated, rack, wall, and DIN rail mount housings for 4RU fiber optic plug-in cards. Up to 12 cards in a single housing, plus models with integrated power supplies.

DIN MOUNT POWER
We carry DIN rail power supplies with several different capacities to power your equipment.

CABINETS AND PEDESTALS
From heavy duty NEMA-4 rated aluminum cabinets to compact dielectric pedestals, we carry a wide variety of enclosures to complete your installation.

FIBER OPTIC CABLE
Need fiber? We can supply you the just the right fiber cable for your application.

FIBER OPTIC INSTALLATION ACCESSORIES
We carry a range of equipment and accessories designed to help professionally complete your installation.
4 Channel Contact Closure System 4RU Plug-in Card
PRODUCT DESCRIPTION

The RLH 4 Channel Contact Closure over fiber system provides a transmission of up to four independent contact closure signals over one optical fiber. The system comprises 2 4RU plug-in cards, a transmitter card and a receiver card.

The transmitter card provides the electrical-to-optical interface between dry contact closure relay input and a fiber strand.

The receiver card is locally powered by a 24-56VDC source and provides LED indicators to display relay conditions, power, and fiber carrier receive.

This hardened, rugged system is covered by our Exclusive Unconditional Lifetime Warranty.

This card is designed to be installed into a 4RU card housing.
See housings Here.

Looking for our 8 channel contact closure card? Click Here
FEATURES
Available with ST or SC Connectors
Convenient LED status indicators
Single and Multimode fiber models available
RX side includes alarm contact for status monitoring
Alarm contact may be set to Normally Open or Normally Closed
DC power is not polarity sensitive, simplifying wiring duties
Environmentally rugged with wide operating range:
-40˚F to +158˚F (-40˚C to +70˚C)
Single slot RLH 4RU plug-in form factor allows up to 12 cards in a RLH 12 card housing, or multiple housings for larger installations
Available pre-installed in housings
LIFETIME UNCONDITIONAL WARRANTY
STANDARD SPECIFICATIONS
TRANSMISSION METHOD:
Frequency modulated light via two optical fibers
WAVELENGTH:
Multimode: 850nm
Single Mode: 1310nm
SM Long Haul: 1310nm
FIBER TYPE/DISTANCE:
Multimode (62.5/125µm, 50/125µm): 6dB / 1.2 miles (2km)
Single-Mode (9/125µm): 8dB / 9 miles (15km)
Single-Mode Long Haul: 24dB* / 29 mi. (48 km), min. required loss *-8dB

*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 or SC
PHYSICAL DIMENSIONS:
7in. x 4in. x 1.24in. (177.8mm x 101.6mm x 31.5mm)
(Standard RLH Fiber Card Form Factor)
OPERATING TEMPERATURE:
-40˚F to +158˚F (-40˚C to +70˚C)
OPERATING HUMIDITY:
95% non-condensing
Application Diagram Click image for larger view
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ORDERING INFORMATION
4 Channel Contact Closure Transmitter Fiber Optic Link Cards

Click the chart for printable version

  • *62.5µm multimode fiber compatibility is standard, add -50 to part number for 50µm fiber compatibility
  • A complete system requires one TX unit and one RX unit
  • Please contact your RLH sales representative for pricing and delivery information