Industrial Optcial Converter RS485 RS422 RS485
Serial to Fiber Media Converter Fiber Optic Modem
Introduction of Serial Data to Fiber Converter
The IM2101-RS232/RS422/RS485 Fiber Media Converter is an industrial-grade serial-to-fiber communication device designed for reliable long-distance data transmission in harsh environments. It converts RS232, RS422, or RS485 serial signals into optical signals, enabling communication distances up to 80km over single-mode fiber while providing complete electrical isolation between connected devices.
Featuring industrial DIN-rail mounting, wide-range DC power input, surge protection, and ESD protection, the IM2101 effectively eliminates electromagnetic interference, ground loop issues, and lightning-induced damage commonly found in industrial communication networks.
The converter is widely used in SCADA systems, industrial automation, power distribution networks, intelligent transportation systems, water treatment facilities, oil and gas monitoring, and remote telemetry applications where stable and secure serial communication is critical.
Specification of Fiber Optic Modem
| Standard |
EIA /TIA RS232, RS-422, RS-485 |
| Fiber Connector |
SC standard, ST/FC optional |
| Fiber Distance |
50/125um MMF: 2Km, 62.5/125um MMF: 5Km, 9/125 SMF:20/40/60/80Km |
| Serial Connector |
RS-232 ,RS-422, RS-485: phoenix terminal |
| Serial Distance |
RS-232 port 15m, RS-422, RS-485: 1500 meters |
| Rate |
0-120Kbps |
| Baud Rate |
300 Baud to 115,200 Baud |
| RS-485 |
D+, D-, GND |
| RS-422 |
R+, R-, T+, T-, GND |
| RS-232 |
IN, OUT, GND |
| Power rate |
2W, 12-52V |
| Static protection |
15KV electric static discharge (ESD) protection |
| Surge protection |
1500W/sec surge protection |
| Operation Temperature |
-40°C to +70°C |
| Storage Temperature |
-40°C to +85°C |
| Storage Humidity |
5%~90% non-condescending |
| Dimensions |
114*93*35mm |
| Weight |
0.35kg/pc net weight |
Application
FAQ
Q1. How can I extend RS485 communication beyond 1200 meters?
The IM2101 converts RS485 signals into fiber optic transmission, extending communication distance up to 80km while eliminating signal degradation and electromagnetic interference.
Q2. Can this converter be used for SCADA systems?
Yes. It is designed for SCADA, RTU, PLC, DCS, telemetry, and industrial automation applications requiring reliable long-distance serial communication.
Q3. Does fiber transmission improve communication reliability?
Yes. Fiber optic communication is immune to electromagnetic interference, lightning surges, and ground loop issues that commonly affect copper cables.
Q4. Is configuration required before installation?
No. The converter supports plug-and-play operation with automatic baud rate adaptation.
Q5. What devices can be connected?
The converter supports PLCs, RTUs, power meters, water meters, sensors, industrial controllers, traffic systems, and other RS232/RS422/RS485 devices.
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