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Phoenix Contact 2708397
FO Converter for RS-422/RS-485 with Optical Diagnostics
Product Description
The PSI-MOS-RS422/FO 850 T serves as a FO converter designed for industrial applications, featuring integrated optical diagnostics and an alarm contact. It supports RS-422/RS-485 4-wire/INTERBUS protocols with a maximum data transmission rate of 2 Mbps.
This device is equipped with two FO interfaces (BFOC) operating at a wavelength of 850 nm, suitable for both PCF and fiberglass cables (multimode). The operational temperature range spans from -20 °C to 60 °C, while storage conditions allow temperatures from -40 °C to 85 °C. The unit's degree of protection is rated at IP20.
With a typical current consumption of 120 mA at a nominal supply voltage of 24 V DC, it offers a maximum power dissipation of 2.88 W. The device is designed for a maximum switching voltage of 60 V DC and a limiting continuous current of 0.46 A. The relay output functions as an alarm output with a single channel for monitoring.
For connection, it utilizes a pluggable screw mechanism, ensuring secure assembly with a tightening torque of 0.56 Nm to 0.79 Nm. The converter also provides a range of features, including a maximum transmission length of 2800 m with a 3 dB system reserve, ensuring effective communication over extended distances.
Compliance with electromagnetic compatibility standards (2014/30/EU) and various certifications confirms its suitability in industrial environments. Special installation instructions should be adhered to as provided in the documentation.
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Offer details
- Offer from:
Trusted supplier — Germany, member since 2024
- Availability:
- On requestLead time to be confirmed
- Warranty:
- 12 months
- Condition:
- New Factory Sealed
Specifications
- Brand
- Phoenix Contact
- Item number
- 2708397
- Packing unit
- 1 pc
- Minimum order quantity
- 1 pc
- Product key
- DNC216
- Note on application
- Only for industrial use
- CCCex note
- Use in potentially explosive areas is not permitted in China.
Available Offers
(1)| Condition | Availability | Supplier | Warranty | Action | |
|---|---|---|---|---|---|
| Condition New Factory Sealed | Availability On requestLead time to be confirmed | Supplier | Warranty 12 months |
Offer with manufacturer lead time
Directly from the manufacturer - with a confirmed, predictable, and fully transparent delivery time.
Documents
Data Sheet
Datasheet for Phoenix Contact 2708397, including specifications and features.
CAD Models
3D CAD model and technical drawings, ready for your design software.
Product data updated: 23-09-2026

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