![](/images/new-backgrounds/1000382/38287x1.webp)
Hardware Installation Guide for the Polycom SoundStructure C16, C12, C8, and SR12
Logic Input And Output
Push To Talk Microphones
Remote Control | Pin 14 : Logic Input 1 | White |
|
| |
| Pin 2 : Logic Output 1 | Orange |
|
| |
| Pin 25 : Ground | Green |
|
| |
Analog Input |
| Shield |
|
| |
|
| Black |
|
| Red |
The SoundStructure devices may be used with push to talk microphones such as the Shure MX392.
When the orange (LED in) wire is connected to ground due to the SoundStructure logic output being turned on, the LED on the microphone will turn on. The LED is powered from the SoundStructure phantom power supply on the red and black cables. This means that the LED on the microphone does not need external power through a
No
4 - 4