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Chengdu Ebyte Electronic Technology Co.,Ltd.
No
Name
1
RS232
2
485_A
3
485_B
4
GND
5
VCC
DC 8～28V
6
7
ANT
8
PWR
9
LINK
10
TX/RX
(M0)
11
Program
12
(M1) Restore
Copyright ©2012–2021，Chengdu Ebyte Electronic Technology Co.,Ltd.
Standard DB9, hole type
A terminal for external RS485 device
B terminal of external RS485 device
Ground wire
Power supply, default power supply 8 to 28V (standard 5V version can be
customized)
(5 and 6 automatically select the high voltage end)
DC power supply interface (5.5*2.5), connected to DC8~28V power supply
(standard 5V version can be customized)
Antenna connector (SMA-K male female threaded hole, 50Ω characteristic
impedance)
Power indicator, power on indicator on, power off indicator off
Socket connection status indicator, LINK indicator on when connected
successfully, disconnect indicator off, LINK light blinks three times when
restoring factory
The indicator blinks when data is sent or received
Burning emulation mode selection, default set to high; when you need to
re-download the program, please set the dip switch to low
When you need to restore the factory settings, please set the dipswitch to low
first, then power on and wait for the STAT indicator to blink off three times, then
restore the factory settings. The module only detects this pin when it starts up,
and setting the pin low after starting up cannot perform restoration action.
E103-W02DTU User Manual
Usage
8
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