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The PSI-MOS-RS232/FO 850 E Serial to Fiber Converter transparently connects RS232 devices to fiber optic cable. By transmitting RS232 data over optical fiber, these serial media converters provide an economical path to extend the reach of serial devices.
Long Distance Serial Data Transmission over Fiber
RS232 Serial transmission is limited to 20 Kbps over a distance of only 15 meters (50 feet). Using the FO 850 E Serial to Fiber Converter you can extend your serial data transmission up to 4.2km (2.6 miles). The result is that any two pieces of asynchronous serial equipment, located miles apart, can communicate at half or full duplex over fiber optic cable at rates up to 115.2 kbps.
EMI, RFI and Transient Surge Immunity
Another advantage of the FO 850 E fiber optic transmission system is the electrically isolated connection of devices. Electromagnetic interference (EMI) is a common phenomenon in typical environments like industrial plants, warehouses and factory floors. This interference can cause corruption of data over RS232 or copper-based Ethernet links. Data transmitted over fiber optic cable however is completely immune to this type of noise, thus preventing the negative effects of voltage equalization currents and electromagnetic interference on the data cables. A Serial to Fiber Media Converter therefore enables you to inter-connect your serial devices over fiber ensuring optimal data transmission, increased availability of the system, and improved network design flexibility for point-to-point connections and star structures.
Flexible Fiber Optic Connections
The FO 850 E operates at 850 nm wavelength, using a separate LED emitter and photo-detector on ST type connectors. Almost any multimode glass fiber size can be used including 50/125 m, 62.5/125 m, and 200/230 m.
Power Budget Considerations
Calculating the power budget is critically important with planning the fiber optic link. The optical power budget is the amount of light required to transmit data successfully over distance through a fiber-optic connection. The amount of light energy available within the setup will dictate the length of the fiber optic cable run between serial media converters within the network. Optical power budgets are critical to help businesses avoid signal distortion. To learn how to calculate optical power budget read our technical note. Transmit and receive dBm can be found in the Hardware specifications.
Transmit each serial signal out over 10 fiber optic lines
Up to ten (10) Serial to Fiber Converters can be grouped together using the TBUS DIN Rail bus system for voltage and data. This allows the serial converter to operate as a star coupler, taking the serial data iput signal and distributing it to all Fiber optic output ports.
High Quality Features and Support
The FO 850 E are also equipped with comprehensive diagnostic functions to increase system availability, simplify start-up and permanently monitor the optical transmission quality. This allows for more efficient troubleshooting and less on-site maintenance. These cost and time saving features, along with free worldwide technical support, make the FO 850 E RS232 serial to fiber converter the smart choice for IT professionals.
Connections can be plugged in using a COMBICON screw terminal block
- Supply voltage and data signals routed through via DIN rail connectors
- High-quality electrical isolation between all interfaces (RS-232, fiber optic ports, power supply, DIN rail connector)
- Redundant power supply possible by means of optional system power supply unit
- Approved for use in zone 2
Intrinsically safe fiber optic interface (Ex op is) for direct connection to devices in zone 1
Integrated optical diagnostics for continuous monitoring of fiber optic paths
- Floating switch contact for leading alarm generation in relation to critical fiber optic paths
- Automatic data rate detection for all data rates up to 115.2 kbps
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Features
- Extend serial data up to 2.6 miles
- Immune to EMI, RFI and transient surges
- Point-to-point or star configuration
- ST type fiber connectors
- Configurable DB9 Male DTE / DCE RS232 Connector
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