American Fibertek MR-86C-SL Telephone System (POTS) Module Rx 1310/1550nm 21dB SM
- Standard Telephone Interface
- One Singlemode Fiber
- Diagnostics: Power and Optical Presence
- Voice and FAX
- Includes: Contact from Handset to Line

The MR-86C-SL from American Fibertek is a Telephone System (POTS) Module Rx 1310/1550nm 21dB SM. The MR-86C-SL transmits and receives standard telephone signals on one singlemode optical fiber using AM/FSK transmission. This system is designed to be completely transparent to all telephony signals including ring, off-hook, hook-switch flash and forward disconnect. Products require no field adjustments at installation or additional maintenance thereafter. Diagnostic Indicators provide a quick visual indication of system status. The 86C-SL Series are ordered as stand alone modules or rack cards that are mounted in the American Fibertek Card Cage: SR-20/2. The RT supports up to 1000 feet of 24 AWG wire from the fiber optic unit to the telephone handset. The 86C-SL series product is also available in a “talk down” (order wire) phone system configuration. Contact the factory for details.
Features
- Standard Telephone Interface: Ensures compatibility with existing telephone systems, allowing for seamless integration.
- One Singlemode Fiber: Enables efficient data transmission with minimal loss over long distances.
- Diagnostics: Power and Optical Presence: Provides users with immediate feedback on system status for troubleshooting.
- Voice and FAX: Supports both voice communication and fax transmission for enhanced functionality.
- Includes: Contact from Handset to Line: Guarantees reliable connectivity between the handset and telephony line.
- Compatible with Momentary Disconnect: Offers flexibility in usage to meet varying operational requirements.
American Fibertek MR-86C-SL Detailed Specifications
| Model | MR-86C-SL |
| Transmission Type | AM/FSK |
| Wavelength | 1310/1550nm |
| Optical Budget | 21dB |
| Fiber Type | Singlemode |
| Distance Supported | Up to 1000 feet |
| Wire Gauge | 24 AWG |
| Modules Available | Standalone or Rack Card |



