User's Manual

DTU-H100 Wi-Fi/Ethernet to RS485/RS232 Server User Manual
http://www.iotworkshop.com
11
1.2. Hardware Introduction
Figure 1. DTU-H100 Appearance
1.2.1. Interface Description
Table 2 DTU-H100 External Interface
Function
Name
Description
External
Interface
RJ45 Ethernet
10/100M Ethernet
RS232
RS232 Communication
RS485
RS485 Communicaton
DC5-18V
DC Power 5~18V Input
LED
Indicator
Power
3.3V Internal Power Supply Indicator
Ready
Boot Indicator
On: Device boot OK.
Off: Waiting For Device boot.
(The device need about 7 seconds to boot)
Link
Wi-FIi Connection Indication
On：STA mode Connect to AP or AP mode
other device connect to it.
Off：No Wi-Fi Conectoin
RXD
RS232/RS485 Data Receive
TXD
RS232/RS485 Data Transfer