Chengdu Ebyte Electronic Technology Co.,Ltd.
NA111-A User Manual
Copyright©2012–2021Chengdu Ebyte Electronic Technology Co.,Ltd.
9
3.3 THE LED DESCRIPTION
Figure 3- 1 LED
Table 3- 3 LED function table
serial
numb
er
name
function
illustrate
1
PWR
Power LED
Power on: The light is always on.
Power off: The light goes out.
2
TXD
Serial send
light
Data sent: Light on.
No data sent: Lights off.
3
RXD
Serial
reception
indicator
Data sent: Light on.
No data sent: Lights off.
4
M0
Link light
TCP mode: network connection, light
on. The network is down and the lights
are off.
UDP mode: The light is always on.
5
M1
STATE
indicator
The network cable is connected and
the light is always on.
The network cable is disconnected and
the light goes out.
Note: PWR,TXD,RXD,M0 all light up when the network cable is not connected,M1 goes out.