User Guide

Ref. IS.MDuino.42+ Rev. 1: 30-08-2019

Switch Configuration 8

8.1 A Zone: Communications

4. SCL/NC: Always at OFF Position! Switch has to be OFF position to enable SCL, never ON

because in this position is NC (Not Connected).

3. SDA/NC: Always at OFF Position! Enable SDA, never ON because in this position is NC (Not

Connected).

2. RX1/I1.6: Choosing between RX1 or the input I1.6. If this switch is ON, it enables the I1.6

input and disables the RX1. If this switch is OFF, it enables RX1 and disables I1.6.

1. TX1/I1.5: Choosing between TX1 or the input I1.5. If this switch is ON, it enables the I1.5

input and disables the TX1. If this switch is OFF, it enables TX1 and disables I1.5.

4. Pin 3/I0.6: Choosing between Pin 3 or the input I0.6. If this switch is ON, it enables the I0.6

input and disables the Pin 3. If this switch is OFF, it enables Pin 3 and disables I0.6.

3. Pin 2/I0.5: Choosing between Pin 2 or the input I0.5. If this switch is ON, it enables the I0.5

input and disables the Pin 2. If this switch is OFF, it enables Pin 2 and disables I0.5.

Switch

OFF

C ZONE

RX1/I1.6

I1.6

RX1

TX1/I1.5

I1.5

TX1

B ZONE

Pin 3/I0.6

I0.6

Pin 3

Pin 2/I0.5

I0.5

Pin 2

uSD & RS-485

D53(SD)

FD RS-485 HD