Ebyte E842-DTU User Manual page 7

Copyright ©2012–2021，Chengdu Ebyte Electronic Technology Co.,Ltd.
serial
name
number
1 Restore
2 ON
3 AC
4 RS4852
5 PWR
6 STATE
7 DATA
8 LINE
9 LINKB
Copyright ©2012–2021，Chengdu Ebyte Electronic Technology Co.,Ltd.
function
The factory reset
Press and hold 8S to restore the factory settings
button
SMA-K,outer thread inner hole, feature impedance of
RF interface
50Ω
AC 85-265V
The power interface
port
RS485
A to the A side
The communication
of the
port
Power LED Lit when the power is on
The in-network status Flashing: Power to the search network on the device
indicator Solid: The device is successfully attached to the network
Data transceiver
Send/receive data flashing
indicator
Solid:SocketA
successfully
The data link light
Normally out:SocketA's connection to the network
server
Solid:The SocketB connected to the network server
successfully
The data link light
Normally out:The SocketB connection to the network
server
E841-DTU（EC03-485）User manual
illustrate
power input
port (E842),5.08mm wired
of the
RS485 device, B to the B side
RS485 device, andG ND to the external device
connects to the network server
was
not successful
was
not successful
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