DPDU-3
The obverse side
LED
Working light：after the device is working properly, it flashes once per second；Fault light：When the device self checks for a fault (the internal power supply voltage is not within the normal range), the light will light up;
When a certain voltage or current is not within the normal range (the range can be set), the light will flashes；
Network running light and activity light：Each network is equipped with two status LEDs, which are running status and activity status, respectively, to display the current working status of the network；
Switch quantity light：switch quantity acquisition signal---one LED
when switch quantity configure normal---GREEN
when switch quantity configure not normal---RED
when switch quantity do noe configure---LIGHT GOES OUT
The reverse side
INTERFACES
| Connector | Function | Connector type |
|---|---|---|
| PWR | 220V AC | 3-pin,male |
| PWR A | 220V AC | M12,A-code,male |
| PWR B | 220V AC | M12,A-code,male |
| DIN1-2 | Switching input | 5-pin,Phoenix terminal |
| COM | RS23 communication | DB9,female |
| NET1-2 | 10/100Mbs net | RJ45,female |
| CH 1～4 | Voltage/Current collection | DB25，male |
| CH 5～8 | Voltage/Current collection | DB25，male |
| CH 9～12 | Voltage/Current collection | DB25，male |
| CH 13～16 | Voltage/Current collection | DB25，male |
| CH 17～20 | Voltage/Current collection | DB25，male |
| CH 21～24 | Voltage/Current collection | DB25，male |
Front view
vertical view
