Technical support
：
P3
3
LED Indicator
LED Name GW-2139M Status
LED Status
ALL LEDs
FW Updating Mode LED will be twinkled sequentially.
FW Initial Mode
LED will be twinkled per 500ms.
PWR
(Module)
Power On
On
Power Failure
Off
NET
(MSTP)
Connect at least
one device
On
No devices are
connected
Blink per 200 ms
STA
(MSTP)
Connect all device
On
Some devices are
not connected
Blink per 200 ms
CNT
(Modbus)
Connected by least
one client.
On
No clients connect
Blink per 200 ms
RxD
(Modbus)
Data reception
On
No Data reception
Off
TxD
(Modbus)
Data transmission
On
No Data reception
Off
STA
NET
PWR
TxD
RxD
CNT
