D-Link DCS-3420 Quick Install Manual page 4

Hardware Overview
Microphone Connector
The DCS-3420 Wireless Day & Night Internet Camera
has an internal microphone built-in. However, you have
the option of using an external microphone by plugging
it into the microphone connector.
Reset Button
Reset will be initiated when
the reset button is pressed
once and held until the Power
LED flashes through its cycle
twice.
The DCS-3420 provides an Audio Out connector to be
used for 2-way audio. Speakers (not included) may be
connected to the camera to provide audio for 2-way
communication.
D-Link DCS-340 Quick Install Guide
Audio Out Connector
4