HMS DB25 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.
Helixnet Main station (HMS) Control I/O (25 way female D-type).
Used to connect up to 4 relay control outputs and 4 optically isolated control inputs,