HelixNet DB25 Relay Pin-Out
Note: This pin-out solution was created by a Clear-Com Applications Engineer from a previous commissioning. Please refer to Clear-Com’s official manual and confirm the pin-out for the third-party device before proceeding.
Pin | Function |
| Pin | Function |
1 | Relay 1 NC |
| 14 | Relay1 Pole |
2 | Relay 1-NO |
| 15 | Relay 2 NC |
3 | Relay2-Pole |
| 16 | Relay 2-NO |
4 | Relay 3 NC |
| 17 | Relay3 Pole |
5 | Relay 3-NO |
| 18 | Relay 4 NC |
6 | Relay4-Pole |
| 19 | Relay 4-NO |
7 |
|
| 20 | +5V |
8 | GND |
| 21 | +5V |
9 | GND |
| 22 | Opto 1- |
10 | Opto 1+ |
| 23 | Opto 2- |
11 | Opto 2+ |
| 24 | Opto 3- |
12 | Opto 3+ |
| 25 | Opto 4- |
13 | Opto 4+ |
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