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+