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

CMU 100 - Star coupler

FO MM INTERFACE BOARD

Description

Single, full duplex, multimode, fiber optic port with ST or SMA connectors (see ordering) with

both positive or negative logic.

Hardware settings

For proper functioning of that board some settings must be done:



board address



optic logic

Fiber optic logic

Switch SW1 1 2 3 4

Positive logic

OFF ON OFF ON

Negative logic

ON OFF ON OFF



Positive logic – light OFF in idle state



Negative logic – light ON in idle state

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

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

Picture 7: Data rate vs cable lenght

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Ediseja 21 CMU 200 User Manual Page 12