Ediseja 21 CMU 200 User Manual download pdf (Page 12)

CMU 100 - RS232 to 7x, 6x, 5x, 4x Multimode Fiber Optic Star

3.4.3 MULTIMODE FIBER OPTIC INTERFACE BOARD

Description

Single, full duplex, multimode, fiber optic port with ST connectors with positive or negative logic.

Hardware settings

For proper functioning of that board, optic logic must be set:

Fiber optic logic settings

Switch SW1 Light in idle state 1 2 3 4

Positive logic OFF

OFF ON OFF ON

Negative logic ON

ON OFF ON OFF

It is recommended that positive logic on fiber optic interfaces is used (light OFF in idle state). In

other case, if optic loop on one port is broken, communication with other slave ports, also will not

work.

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

12 Ediseja 21 CMU 100 / 2.1.6.6.6.6.6.6.6 - 12 User manual CMUMU216 V3 05.11.2014

Picture 5: Multimode fiber optic interface board appearance

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Ediseja 21 CMU 200 User Manual Page 12