Ebyte E90-DTU

Chengdu Ebyte Electronic Technology Co., Ltd. E90-DTU(400SL30P)User manual
Copyright ©2012–2019, Chengdu Ebyte Electronic Technology Co., Ltd
12
No.
Name
Function
Note
1
RS-232
RS-232 interface
Standard RS-232 interface
2
RS485 A
RS485 interfaceA
RS485 interface A is connected to device A
interface
3
RS485 B
RS485 interfaceB
RS485 interface B is connected to device B
interface
4
DC-IN -
Crimping power
input negative
Power reference ground
5
DC-IN +
Crimping power
input positive
Power input
6
DC-IN stand
DC socket
5.5*2.1mm
Power input
7
PWR-LED
Power Indicator
Red, lit when the power is on
8
TX/RX-LED
Data sending and
receiving indicator
Green, blinking when sending data.
Blue, blinking when receiving data.
9
MODE-LED
Status Indicator
Cyan light on: transparent transmission mode
Blue light on: WOR send mode
Green light on: Wor receive mode
10
Ground screw
Connect with the
earth
Connect with the earth
11
Antenna interface
SMA-K interface
external thread, 10mm, 50Ωcharacteristic
impedance