5
1.2.Hardware Design
1.2.1.Hardware Dimensions
Figure 3 Hardware dimensions
1.2.2.LED
LED
Status
POWER
Light: Power on
Off: Power off
WORK
Blink: Working normally
Off or light: Not working normally
232TX
Blink: Sending data to serial(RS232)
Off: No data sending to serial(RS232)
232RX
Blink: Receiving data from serial(RS232)
Off: No data receiving from serial(RS232)
485TX
Blink: Sending data to serial(RS485)
Off: No data sending to serial(RS485)
485RX
Blink: Receiving data from serial(RS485)
Off: No data receiving from serial(RS485)
Figure 4 LED
