Auxiliary Cable Connections
The auxiliary cable that is provided with the dome camera includes an I/O terminal, external power connector,
audio input and audio output connectors. Connect all the required external devices to the auxiliary cable:
1. Connect external input and output devices to the I/O terminal block. External input and output devices
can include: door contacts, relays, etc.
o
+3V3 — Power, 3.3V DC, 100 mA max
o
DO — Digital output
o
DI — Digital input
o
GND — Ground
2. If the camera will be using external power, connect a 12 V DC, 2.125 A min. polarized power adapter to
the black power connector.
NOTE: Do not connect external power if you are powering the dome camera by PoE.
o
Positive on the center pin
o
5.5 mm outer diameter
o
2.1 mm inner diameter
3. Connect an external microphone or a line level input to the pink audio input connector. It accepts a
3.5mm audio connector.
4. Connect a PA system or speaker with a built in amplifier to the green line level audio output connector. It
accepts a 3.5mm audio connector.
5. Connect the white connector heads directly to the camera I/O connector. This will allow the camera to
use the auxiliary cable connections.
Configuring the Microphone
The H4 Fisheye Dome Camera features two microphones: a built-in microphone and an external audio input.
After you've connected the required microphones, you can configure the microphones or line level audio input
from the camera web interface or in the ACC Client software.
Auxiliary Cable Connections 29
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