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Products  >  Model 1104
Model 1104 End of Life Notice. This legacy product is not recommended for new installations. There is no replacement for these products.

End of Life Notice (PDF). This legacy product is not recommended for new installations. There is no replacement for these products.

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--Image: Made in USA -- --Image: RACKABLE! Rack Mount Available --
  • Allows the connection of RS-485 devices over dual multi-mode fiber
  • Asynchronous, half-duplex RS-485 Operation over two wires
  • Data rates up to 115.2 kbps
  • Distances up to 1.25 miles (2.01 km)
  • DB-25 male, DB-25 female, and terminal block RS-485 connector options
  • ST fiber connectors
  • External universal power supply (100–240 VAC)
  • Made in the USA — This Patton equipment is designed by Patton engineers and built in our Gaithersburg, Maryland facility. Patton's American-made manufacturing process delivers high-quality networking solutions with reliability you can trust.
Patton's Model 1104 RS-485 Fiber Converter is a miniature fiber-optic converter that enables RS-485 devices to communicate over dual multi-mode fiber. The 1104 features asynchronous RS-485 half-duplex (2-wire) communications at data rates up to 115.2 kbps. The Model 1104 extends distances up to 1.25 miles (2.01 km) and offers immunity from EMI/RFI interference, perfect for industrial and utility type applications.

The Patton Model 1104 RS-485 Fiber Converter provides a cost-effective method of extending RS-485 distances, while protecting data and equipment from harsh environments.

In the application below, a pair of Model 1104 RS-485 Fiber Convertersconnects the process controller to a remote terminal or PLC (programmable logic controller) over dual multi-mode fiber.



Ordering information for this product is not publicly available at this time.
Please accept our apology as we regret any inconvenience to you.

For more information
about the availability of this product and/or alternative solutions,
please contact Patton's Product Management team at or +1 301 975 1000


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