DFRobot
Gravity: UART Fiber Optic Transceiver Module
Still make do with the hard and thick shielded twisted pair for remote signal-transmitting? And even drop the baud rate again and again just for transmission...
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Still make do with the hard and thick shielded twisted pair for remote signal-transmitting? And even drop the baud rate again and again just for transmission stability? Now get rid of these problems by using this Gravity: UART Fiber Optic Transceiver Module from DFRobot!
With complete electrical isolation for preventing electromagnetic interference, this module runs at 2000000 baud at any time within a distance of up to 10km. Besides, it features lightning protection and can share cable trunking with strong power. Also, users can use it with a passive optical splitter to realize one-to-many star networking.
Two transceiver modules for only half the price of shielded twisted pair can provide users with long-distance & interference-free fiber-optic communication, good value for money!
Interface & Pin
Pinout
Name Description Gravity: UART UART interface, connect to MCU or sensor PWR LED Power indicator, turns ON when powered on SD LED Indicator for optical fiber disconnection, which lights up when the fiber optic disconnection is detected TX LED Indicator for fiber optic transmitting, which blinks when transmitting signal RX LED Indicator for fiber optic receiving, which blinks when receiving signal SC Fiber Optic Interface Connect to SC fiber optic interface
SD LED can not show all the fiber disconnections or unstable transmissions. Please use a red pen, optical power meter and other tools to check error when a connection problem occurs.
Wiring Instructions
Features
Applications
Specification
Documents
Shipping List
Jargon buster
Plain-language definitions for the technical terms used above.
- baud
- Baud is the signalling rate of a serial connection, often used as the speed setting for UART communication. Matching the baud rate matters because both connected devices must use the same setting for readable data.
- electromagnetic interference
- Electromagnetic interference (EMI) is unwanted electrical noise from nearby devices, cables, or radio signals that can disturb the signals carried in a wire or circuit. Shielding helps reduce this noise, which matters because cleaner signals make data and communication links less prone to errors and dropouts.
- Gravity
- Gravity is DFRobot’s plug-in connector system for sensors, motors and modules, using standard cables to reduce loose jumper wiring. It matters because Gravity-compatible parts can connect directly to these ports, while non-Gravity parts may need adapters or manual wiring.
- LED
- A light-emitting diode (LED) is a small electronic component that emits light when current flows through it in the correct direction. Because it only conducts one way, its polarity matters, and a through-hole LED must be soldered the correct way around to light up.
- RX
- RX means receive, usually showing data being received by the board. An RX indicator LED can help with troubleshooting USB or serial communication.
- TX
- TX means transmit, usually showing data being sent from the board. A TX indicator LED can help you see when the board is communicating or uploading code.
- UART
- UART is a simple asynchronous serial interface that sends data over separate transmit and receive wires, usually labelled TX and RX, with both ends set to the same baud rate. It is a common way for microcontrollers and other serial devices to exchange data.
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Brands
Supplier page — dfrobot.com
Supplier Description · 613.8 KB · Click any page to view full size
TEL0153 gravity uart fiber optic transceiver module dimension V1.0
Mechanical Drawings · 177.0 KB · Click any page to view full size
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