Chengdu Ebyte Electronic Technology Co., Ltd.
E18-DTU Series User Manual
Copyright © 2012–20 23 , Chengdu Ebyte Electronic Technology Co., Ltd.
7
equipment, or it can not be processed
4
RS485-B
serial terminal
Connect to the B terminal of other RS485 devices;
5
RS485-A
serial terminal
Connect to the A terminal of other RS485 devices;
12
Antenna interface
SMA-K interface
External thread and inner hole, length 8 mm,
characteristic impedance 50Ω
Indicator light description:
serial
number
name
Function
Instructions
6
PWR-LED
Power Indicator
Red, always on when the power is on
7
TXD-LED
Send Light
Yellow, blinking when sending data
8
RXD-LED
Receive indicator
Yellow, blinking when receiving data
Button function description:
serial
number
name
Radio status
LED status
Remark
9
LINK-LED
Not networked
turn off
Network provisioning - the
coordinator or router opens the
network
1Hz flickering
Network provisioning - a router
or terminal that is not
connected to the network joins
the network
10Hz flashing
The router or terminal network
joins successfully
2Hz flashes for 3 seconds
and then stays on
The network connection is
normal
always on
Network establishment/join
failure
turn off
Terminal goes offline
5Hz flashing, 3 times per
second
serial
number
name
Function
LED status
Remark
10
RUN-LED
automatic pairing mode
1Hz flickering
reset
always on
"SMART" button long press
5S
Serial port baud rate recovery
Off → On → Off
For details, see the
description of SMART
function keys
Standby/normal work
turn off
Summary of Contents for E18-DTU Series
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