Phoenix Contact 2708339 – PSI-MOS-RS485W2/FO 850 E Fiber Optic Converter, In Stock
Buy the Phoenix Contact 2708339, a PSI-MOS-RS485W2/FO 850 E fiber optic converter with integrated optical diagnostics and alarm contact, for RS-485 2-wire bus systems (SUCONET K, Modbus) up to 500 kbps, NRZ coding, with one FO interface (BFOC) at 850 nm for PCF/fiberglass multimode cable. In stock and available for fast shipping. Get a quote today.
Key Technical Specifications
- Product Type: FO (fiber optic) converter / media converter
- Bus System Compatibility: RS-485 2-wire (SUCONET K, Modbus, and similar)
- Data Rate: Up to 500 kbps
- Coding: NRZ
- FO Interface: 1x BFOC connector
- Optical Wavelength: 850 nm
- Fiber Type: PCF/fiberglass cable (multimode)
- Diagnostics: Integrated optical diagnostics with floating alarm contact
- Electrical Isolation: High-quality isolation between RS-485, fiber optic ports, power supply, and DIN rail connector
- Hazardous Area Approval: Class I, Division 2, Groups A, B, C, D
- Mounting: DIN rail
Design and Performance
Reliable RS-485-to-Fiber Signal Conversion
Converts electrical RS-485 2-wire bus signals into optical signals in a protocol-transparent manner, enabling point-to-point fiber optic links for legacy and industrial bus protocols like SUCONET K and Modbus.
Continuous Fiber Path Monitoring
Integrated optical diagnostics continuously monitor the fiber optic path both during installation and in ongoing operation, with a floating alarm contact that activates when the optical signal drops to a critical level — enabling proactive fault detection.
High-Integrity Electrical Isolation
Full isolation between the RS-485 interface, fiber optic ports, power supply, and DIN rail connector protects connected control systems from electrical noise, ground loops, and surge events.
Long-Distance, Interference-Free Communication
Fiber optic transmission at 850 nm extends bus communication distances well beyond typical copper RS-485 limits while remaining immune to electromagnetic interference common in industrial environments.
Rated for Hazardous Locations
Class I, Division 2, Groups A, B, C, D approval extends this converter’s use into potentially hazardous process areas, supporting reliable bus communication in demanding industrial facilities.
Why Buy the 2708339 From Us
- In stock and ready for immediate dispatch
- Fast shipping on every order
- Commercial advisory support to help you confirm the right fiber optic conversion setup for your bus system
- Competitive pricing — get a quote in minutes
