Ediseja 21 CMU 200 User Manual download pdf (Page 8)

CMU 100 - RS485 to Multimode Fiber Optic Converter

3 RS485 TO MULTIMODE FIBER OPTIC

CONVERTER

3.1 DESCRIPTION

This device allows communication between two devices with different communication interfaces.

It contains half duplex RS485 and full duplex 820 nm wave lenght multimode fiber optic

interface. Data is send from RS485 to fiber optic and vice versa.

Wide power supply voltage allows connection to all common station batteries. Additionaly it can

be also connected to standard AC voltages.

This device is intended for use in cubicles and cabinets in all kinds of power production,

transmission and distribution stations. It requires no maintenace. All normaly used connectors,

switches and light indicators are accessed at the front side of the device. One light indicator

indicates power supply voltage, others indicate communication transfer.

Fiber optic communication allows longer distances between devices without electromagnetic

disturbances. Fiber optic logic can be set to positive or negative logic for transmitter and receiver

separatedly. They can be set by DIP switch at the front side of the communication interface.

3.2 TYPICAL APPLICATION

Page: Company: Device: Document: Code: Version: Date:

8 Ediseja 21 CMU 100 / 1.5.6 - 0 User manual CMUMU156 V4 05.11.2014

Picture 2: Typical application

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Ediseja 21 CMU 200 User Manual Page 8