Dimensions; Led Indicator Light Description - Ebyte M31 Series User Manual

Chengdu Ebyte Electronic Technology Co., Ltd.

3.3. Dimensions

3.4. LED indicator light description

M31-AAAX4440G:
Symbol name
PWR Power Indicator
LINK Link indicator
STA Status Indicator
DI1 DI1 input indicator light
DI2 DI2 input indicator light
DI3 DI3 input indicator light
DI4 DI4 input indicator light
DO1 DO1 output indicator
light
DO2 DO2 output indicator
light
DO3 DO3 output indicator
light
DO4 DO4 output indicator
light
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Function/Description
Red LED light; on: the system power supply is normal; off: the system
power supply is abnormal
Yellow LED light; on: there is a link; off: no link; flashing quickly when
there is data interaction
Blue LED light; flashes alternately to indicate normal operation; always on
or off indicates abnormal device status.
Green LED light; on: DI1 valid input; off: DI1 invalid input
Green LED light; on: DI2 valid input; off: DI2 invalid input
Green LED light; on: DI3 valid input; off: DI3 invalid input
Green LED light; on: DI4 valid input; off: DI4 invalid input
Green LED light; on: DO1 relay is closed; off: DO1 relay is open
Green LED light; on: DO2 relay is closed; off: DO2 relay is open
Green LED light; on: DO3 relay is closed; off: DO3 relay is open
Green LED light; on: DO4 relay is closed; off: DO4 relay is off
Distributed IO Host (M31 Series) User Manual
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