When installing the SNOM PA-1, the device needs to be powered via either POE IEEE 802.3af or the 5V power supply (purchased separately).
Once the device has been powered on a pair of headphones can be plugged into the 3.5mm auxiliary jack for testing purposes.
To find the IP address of the device press the IP/Reset button once to have the SNOM PA-1 play an audio report of the network status for the device via the speakers or auxiliary port.
*This device does require an amplification circuit from the main speaker ports in order to properly distribute sound to a PA system, the wattage provided by the device is only enough for signaling and may be damaged from improper use.
If further documentation is needed, linked below is the PDF help guide provided by SNOM: