AVer SF1311H-R - Manual (Page 8)

5
Hardware Introduction
Front Side
 Lens (Not included in the package): Users could select the desired lens by themselves
 Internal Microphone: The Camera has built-in an internal microphone. This microphone is hidden in the
pinhole located on the front panel.
Rear Side
 Audio output jack: Audio-out Jack allows this device to output audio for two-way communication or
alerting sound.
 DI/DO connector: This device provides a general I/O terminal block with one digital input and one output
for device control.
 Pin 2 and 3 can be connected to an external sensor. The input voltage will be monitored from the
initial state „LOW‟.
 If the external alarm need 12VDC power, then it can connect to pin 1(50mA maximum). The Alarm