Led Indicators - Advantech UNO-3300G Series User Manual

2.14

LED Indicators

There are four LEDs to indicate the status of the system power, storage read/write,
COM1 transmit/receive.
 PWR: Green means norma, yellow is stand by.
 HDD, Tx/Rx1: Flashing green means signals are being transmitted and received.
 RTC: Red means RTC voltage low.
R: reserved for end user, the 2 LED is Green.
17 UNO-3300G Series User Manual