4
LED and push-button functions
AAA NiMH 1,2 V
AAA NiMH 1,2 V
ON
GSM
BUS
+ -
12-30 V
12-24 V
BUS
PROG
CONF
LED
LED
Colour
Function
ON
green
Indicates there is an external power supply and that the GSM-BUS com-
municator is working
red
The LED “ ” displays the operating status of the GSM module
After pressing the GSM push-button they display the GSM signal strength
BUS
Two-colour:
red/green
Displays the operating status of the BUS interface
PUSH-BUTTONS
Button
Function
GSM
It turns on the GSM signal strength display for a few seconds
BUS
It is used in the BUS interface configuration in the By-me system
5. LED and push-button functions
At the front of the GSM-BUS communicator there are two push-buttons and six LEDs with the functions
described below
