8716P Hybrid NVR Installation Guide
20
Feature Overview
Audio Terminals
Audio in and out terminals are available on the back of the unit.
Pinout
Audio Input
Connect an audio cable to the Audio In terminal block. Use the audio cable to connect an audio
input device, such as a microphone, to the unit.
Audio In pin 1 and 2 are the s
ignals for audio input channel 1 and 2 respectively. Connect the return to
the “G” between the two audio inputs.
If you are connecting a microphone to the unit, you must use a pre-amplifier to amplify the signal to
line level. Place the pre-amplifier close to the microphone for best results.
Audio Output
Connect an audio cable to the Audio Out terminal block. Use the audio cable to connect an audio
output device, such as an intercom or speaker, to the unit.
Audio Out pin 1 is the s
ignal for audio output channel 1. Connect the return to the “G” beside the audio
output.
Relay
RS232
Audio Out
NC
C
NO
Rx
G
G
1
A1
G
A2
Tx
1
G
2
Alarms
Audio In
Audio terminals