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RS-485/422/232 to Fiber Converter


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Description - RS-485/422/232 to Fiber Converter

The Model277 Series converter is equipped with a multiple interface circuit that can handle RS-232, or RS-422/485 serial interfaces andmulti-mode or single- mode fiber. Model277 converters are used to extend serial transmission distance up to 2 km (multi-mode fiber) or up to 20 km (single- mode fiber). Note that the RS-232 and RS-422/485 interfaces cannot be used on the same Model277 at the same time to convert to fiber.Auto Baud Rate Detection

The Model277 Series incorporates a method for automatically detecting the serial signal baud rate by hardware. This is an extremely convenient feature for the user. Even if a device’s baud rate is changed, the signal will still be transmitted through the RS-232 or RS-422/485 to fiber converter without any problem.

Features - RS-485/422/232 to Fiber Converter

  • Auto sense serial signal rate, zero delay automatic transmit
  • 500Kbps the highest rate
  • Supply three interface (RS232/485/422)
  • Multi-mode 2KM, signal-mode 20K

Communication - RS-485/422/232 to Fiber Converter

Standard

Accord EIA RS-232, RS-48, RS-422 standard

RS-232 signal

IN, OUT, GND

RS-485 signal

D+, D-, GND

RS-422 signal

R+, R-, T+, T-, GND

Fiber signal

IN, OUT

Working

Asynchronism,point to point

Direction control

Adopt automatic send data control ,auto distinguish and control data transfer direction

Band rate

0-500Kbps，auto serial band rate test

Fiber wavelength

Multi-mode 850nm,signal-mode 1310nm

Electricity port transmission

RS-232 port 15M,RS-485/422 port 1200M

Optic port transmission

Multi-mode 2KM, signal-mode 20KM

Loading

RS-485/422 port Support 32 port loop enviroment(or handtailor 128 point)

Interface protection

600W surge protection, 15KV static protection

Electricity port

8 terminal block

Optic port

Multi-mode adopt ST connector, signal-mode adopt FC connector
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