
CFUS
RS485 Serial Signal to USB and Optical Fiber Converter
RS485 serial communication converter for USB and fiber optic connections and field device integration.
Description
The CFUS is a converter developed to enable communication between USB devices and optical fiber networks. It enables high-speed, secure data transmission, eliminating electromagnetic interference and providing greater reach than conventional cables.
Ideal for industrial applications, laboratories, data centers and any environment where signal integrity and connection stability are essential, the CFUS connects computers, controllers and other USB devices to optical fiber systems, providing reliable, efficient communication. It supports all communication protocols based on RS485 (ANSI/TIA/EIA-485-A, two-wire) and optical fiber, making the network fully immune to electrical noise, electromagnetic induction, lightning and voltage surges, increasing data traffic reliability, communication speed and the distances between IEDs and the data server or supervisory control system (Scada).
The CFUS is built to strict quality standards and uses state-of-the-art electronic components (SMD). Its hardware is designed to withstand harsh operating conditions and can be installed directly in power substation panels. It meets the requirements for performance, withstand capability and reliability specified by IEC, DIN, IEEE and ABNT standards.
Features
MAIN FEATURES
• Compact 22.5 x 100 x 113.5 mm ABS enclosure for 35 mm DIN rail;
• USB port power supply < 200 mA;
• Communication speed from 1200 to 115200 bps;
• Maximum fiber length of 3000 m (multimode optical fiber, 62.5/125 µm);
• Standard ST fiber connector;
• Minimum transmit power of -14.0 dBm (multimode optical fiber, 62.5/125 µm);
• Maximum transmit power of -10.0 dBm (multimode optical fiber, 62.5/125 µm);
• Minimum receiver sensitivity of -24 dBm (multimode optical fiber, 62.5/125 µm);
• Compatible with 50/125 µm, 62.5/125 µm, 100/140 µm and 200 µm multimode optical fiber;
• Wavelength of 850 ηm;
• LEDs for power, data transmission and reception, and link;
• Half-duplex transmission mode;
• USB 2.0 Plug and Play computer interface;
• USB connection with Micro-B connector;
• Resistant to lightning strikes and electrostatic discharge damage;
• Resistant to EMI / RFI and current fluctuations, ideal for data communications near transformers,
heavy electrical equipment and other sources of electrical or radio interference;
• Easy installation and use.
• 2-year warranty;
• Universal 24 to 275 VDC / VAC power supply (optional);
OPTIONAL FEATURE SPECIFICATIONS
• 4 kV / 60 Hz / 1 minute isolation between USB and power supply;
• 2 kV / 60 Hz / 1 minute isolation between bus and power supply;
• 2.5 kV / 60 Hz / 1 minute isolation between USB and bus;
• Maximum cable length of 1200 m;
• Internal 120-ohm termination resistor, jumper enabled;
• Maximum of 32 devices on the network;
• RS485 bus protection: ±30 kV ESD. Very rugged three-stage protection.
Applications

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