| Pin | Pin Name |
Description |
| 1 | +12VIN | +12 V |
| 2 | N/C | Not connected |
| 3 | Status2 | Not used |
| 4 | Status1 | Not used |
| 5 | PG | Power Good (?) |
| 6 | GND | Ground |
| 7 | +12VIN | +12 V |
| 8 | +12VIN | +12 V |
| 9 | +12VIN | +12 V |
| 10 | PowerOn | Relay's ground pin (N/C - power-off; GND - power-on) |
| 11 | GND | Ground |
| 12 | GND | Ground |
| 13 | GND | Ground |
| 14 | N/C | Not connected |
D-Link DPS-500DC RPSU official page - http://dlink.ru/ru/products/1/765.html