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Model 276A
Optoverter
Reference Manual
0315-0306 Rev. B
Printed 02.04.02
Table of Contents
1.0 General Description
2.0 Specifications
3.0 Installation
3.1 RS-485
3.2 Fiber 3
4.0 Operation
5.0 Power
6.0 Help
1.0 General Description
The Model 276A Optoverter is a two-wire RS-485 to Fiber Optic Line Driver/Converter that
can extend the distance of an RS-485 network to 6,600 ft. At the same time it provides the
inherent advantages of transmission over fiber optic cable, immunity to interference, safety,
secure communications, and more.
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Summary of Contents for Telebyte Optoverter 276A
- Page 1 Page 1 of 3 Model 276A Optoverter Reference Manual 0315-0306 Rev. B Printed 02.04.02 Table of Contents 1.0 General Description 2.0 Specifications 3.0 Installation 3.1 RS-485 3.2 Fiber 3 4.0 Operation 5.0 Power 6.0 Help 1.0 General Description The Model 276A Optoverter is a two-wire RS-485 to Fiber Optic Line Driver/Converter that can extend the distance of an RS-485 network to 6,600 ft.
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Page 2: Specifications
Page 2 of 3 2.0 Specifications Electrical: Half-duplex RS-485, two-wire Fiber Interface: Optimized for 62.5/125 micron fiber cable Wavelength: 850 nm Speed: 0-1 MHz Power Budget: 12 dB (with 62.5/125 micron fiber) Distance: Fiber 2 km (distances can exceed 2 km depending on fiber loss) RS-485: Per RS-485 specification Connectors: Fiber (ST), RS-485 (DB-25 Female) Power: 115 VAC/60 Hz (220 VAC/50 Hz optional) - Page 3 TELEBYTE's sole obligation under this warranty shall be to furnish parts and labor for the repair or replacement of products found by TELEBYTE to be defective in material or workmanship during the warranty period. Warranty repairs will be performed at the point of manufacture.
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