American Fibertek MRX-81B-280 Four Contacts Two Way Module Receiver, Multi-Mode, Non Latching
SKU
MRX-81B-280
Model No
MRX-81B-280
$986.00
Product Highlights
- 4 Channels Bi-Directional, Form-C (Normally Open or Normally Closed) Dry Contact Closure
- Latching Relays reduce power requirement
- User-Selectable feature maintains Contact Status through Power-Cycle and Loss-of-Optical-Power
- User Control to Reset all Contact Status
- Diagnostics: Power, Optical Presence and Channel Indicators

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The American Fibertek MRX-81B-280 Four Contacts Two Way Module Receiver is designed to efficiently multiplex 8 channels of dry latching contact closure over a single multimode fiber. This innovative device allows for user-selectable retention of contact status through power cycles, ensuring reliable operation. With built-in diagnostics and easy maintenance, this receiver is perfect for applications requiring robust and dependable communication.
American Fibertek MRX-81B-280 Features
- 4 Channels Bi-Directional: Multiplex 8 total channels efficiently, accommodating both directions with Form-C (Normally Open or Normally Closed) dry contact closure.
- Latching Relays: Reduce overall power consumption and enhance efficiency, making the system more energy-friendly.
- User-Selectable Feature: Maintain contact status during power cycles and loss of optical power for uninterrupted performance.
- User Control for Reset: Easily reset all contact statuses to the default state with a single button for quick management.
- Diagnostics Indicators: Visual indicators for power, optical presence, and channel status ensure rapid status checks without complex procedures.
- High Density DB26 Data Connector: Conveniently integrate with an adaptor to a screw terminal for versatile connection options.
American Fibertek MRX-81B-280 Detailed Specifications
| Model | MRX-81B-280 |
| Channel Configuration | 4 Channels Bi-Directional |
| Contact Type | Form-C (Normally Open/Closed) |
| Power Requirement | Reduced with Latching Relays |
| User Features | Select to maintain contact status, reset function |
| Diagnostics | Power, Optical Presence and Channel Indicators |
| Connector Type | High Density DB26 with screw terminal adaptor |
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