What is the difference with the DTU serial port wireless router for industrial applications?
Bai Ma with industrial-grade wireless router BMR200,4G full Netcom DTU BMD100 for example, will be described in detail.
1) industrial wireless router (including BMR200, BMR400, BMR420, BMR500, BMR520) serial RS232 interface integrated way, all the way RS485 interface;
2) the DTU (including BMD100 series, BMD200 series, BMD300 series) integrate one serial RS232 interface, RS485 interface way, three-way I / O interface, two ADC interface;
3) route two RS232 and RS485 interfaces can be used simultaneously; and DTU simultaneously with standard RS232 and RS485 chip, but can not use these two interfaces;
4) RS232 and RS485 interfaces are defined as follows:
RS232：
| 23 Wire color |
The corresponding router |
| blue |
TX |
| Palm |
RX |
| black |
GND |
RS485：
| Wire color |
The corresponding router |
| red |
A |
| black |
B |