Pin Definition - Ebyte E180-DTU User Manual

Chengdu Ebyte Electronic Technology Co., Ltd

2.1 Pin definition

No. Item
1 VCC
2 GND
3 AGND
4 RS485-B
5 RS485-A
6 PWR-LED
7 TXD-LED
8 RXD-LED
9 LINK-LED
10 RUN-LED
Baud rate reset
11
switch
12 Antenna interface
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hengdu Ebyte Electronic Technology Co.,Ltd
Function
Crimped power connector,
positive
Crimped power connector,
negative
It can be connected to external grounding terminal or not
Public ground interface
Serial terminal
Serial terminal
Power Indicator
Send indicator
Receive indicator
Red, always on when connected to the network, off when
Connection indicator
Device working status
indicator
Tact Switch
SMA-K interface
E180-DTU(ZG120-485) Usermanual
Description
DC 8 ~ 28V, 12V or 24V is recommended
The negative of the power supply is connected to the
system ground and the case
handled
Output, connected to port B of other RS485 device
Input, connected to port A of other RS485 device
Red, always on when power is on
Yellow, blinking when sending data
Yellow, blinking when receiving data
not connected
Red, the device is busy when the light is off, and the
device is idle when the light is on
Long press for more than 1s to reset the baud rate
(115200)
Externally threaded female hole, 10mm long,
characteristic impedance 50Ω
5