User Manual

Chengdu Ebyte Electronic Technology Co.,Ltd
E32-DTU User Manual
4
3. Installation parameters
3.1. Structure
Pin
Name
Function
Description
1
DB-9 female socket
RS-232Interface
Standard RS-232 interface
2
3.81 Wiring terminals
RS-485、power port
Standard RS-485 interface and press-line power interface
3
PWR-LED
Power indicator light
Red, lit when the power is on
4
TXD-LED
Sending indicator light
Blinking yellow when data is being sent
5
RXD-LED
Receiving indicator
light
Yellow, blinking when receiving data
6
DC power port
Power interface
Straight insert round hole, outer diameter 5.5mm, inner diameter
2.5mm
7
Dip switch
Dip switch
Operating mode control
8
Antenna interface
SMA-K Interface
Internal hole with external thread, length 10mm, characteristic
impedance 50Ω