User's Manual

FX500R / FX 500 / FX250 Installation cum Operation Manual
Page 29 of 43
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Addvalue Innovation Pte Ltd, All Rights Reserved
3.1.2 GPIO Output
The BDU has a dedicated circular connector to provide GPIO (General Purpose
Input/Output) interface to the external devices
GPIO Port Pinout
GPIO Port
Pin
Signal Name
De
scription of Signal
Color
Code
GPIO-1 RES_1 Reserve line 1 Black
GPIO -2 GND Ground line Brown
GPIO -3 LED_ENABLE To enable LED ON Red
GPIO -4 REM_ON_OFF Remote ON / OFF Orange
GPIO -5 BUZZER Buzzer Yellow
GPIO -6 GND Ground line Green
GPIO -7 TX_OFF To turn off Transmitter off Blue
GPIO -8 +5V_DC +5V DC Output with up to 100mA Purple
All wires for the GPIO connector shall use AWG 24 unscreened wire type.
1
4
7
I/O Connector Pinout