Ebyte E90-DTU User Manual page 7

Chengdu Ebyte Electronic Technology Co,;Ltd
Pin NO.
1 DB-9 female socket
2 3.81 terminal block
3 PWR-LED
4 TXD-LED
5 RXD-LED
6 DC power interface
7 DIP switch
8 Antenna interface
Chengdu Ebyte Electronic Technology Co,;Ltd
Copyright ©2012–2019，
Name Function
RS-232 interface
RS-485, power interface
Power LED
Transmit LED
Receive LED
Power interface
DIP switch
SM A-K interface
Description
Standard RS-232 interface
Standard RS-485 interface and pressure line power interface
Red, lit when the power is on
Yellow, blinks when sending data
Yellow, blinks when receiving data
In-line round hole, outer diameter 5.5mm, diameter 2.5mm
Controlled by working mode
external thread, 10mm, 50Ωcharacteristic impedance
E90-DTU (433C30) user manual
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