4 led indicators, 5 buzzer, Led indicators – Atop Technology SE5416A User manual User Manual
Page 111: Buzzer

Atop Industrial Serial Device Server
SE5408A/SE5416A Series
User Manual V 1.0
111
9.4 LED Indicators
Name
Color
Status
Message
Power
Green
On
System is powered on
Off
System is not powered on
Ready
Green
Off
System is not ready or halt
Blinking
AP firmware is running normally
COM
(Tx / Rx)
Green
Blinking
Data is transmitting on COM port
Off
No data is transmitting
LAN
Orange
On
Ethernet is connected at 100Mbps
Off
Ethernet is connected at 10Mbps or Disconnected
Green
Blinking
Data is transmitting on this port
Off
Ethernet is Disconnected
9.5 Buzzer
Message
Description
===^^========
Startup OK and AP firmware is enabled
“^” Beep “=” Beep off
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