Chengdu Ebyte Electronic Technology Co.,Ltd.
NB183S&NB183_User Manual
Copyright ©2012–2022
，
Chengdu Ebyte Electronic Technology Co.,Ltd.
14
diameter 2.5mm;
Do not supply power with the terminals at the
same time;
28
Ethernet
Ethernet Interface
Standard RJ45 Ethernet Interface, 10/100M
adaptive
29
Reload
Factory reset button
After long press for 5s, NET is always on for 5s,
and the device is reset to factory
30
RS232-4
channel4-RS232 Interface Standard DB9 female, 2-TXD, 3-RXD, 5-GND
31
RS232-3
channel3-RS232 Interface Standard DB9 female, 2-TXD, 3-RXD, 5-GND
32
RS232-2
channel2-RS232 Interface Standard DB9 female, 2-TXD, 3-RXD, 5-GND
33
RS232-1
channel1-RS232 Interface Standard DB9 female, 2-TXD, 3-RXD, 5-GND
3.3 Indicator light description
Label
Function
Explanation
POWER
Power Indicator
DC 8-28V power input
NET
Running lights
Unconnected network cable: 100ms on and 900ms off, flashing
periodically;
Connect the network cable: 1s is a period of flashing;
PORT1
Channel 1 Status
Indicator
The link is not connected: the indicator light is off;
The link connection is successful: the indicator light is always
on
；
UDP mode: the indicator light is always on
；
Data sending and receiving indication: flashes when network or
serial port sends and receives data;
PORT2
Channel 2 Status
Indicator
The link is not connected: the indicator light is off;
The link connection is successful: the indicator light is always
on
；
UDP mode: the indicator light is always on
；
Data sending and receiving indication: flashes when network or
serial port sends and receives data;
PORT3
Channel 3 Status
Indicator
The link is not connected: the indicator light is off;
The link connection is successful: the indicator light is always
on
；
