Axis Q7401 Guia De Instalacion página 14

AXIS Q7401 Video Encoder
Connect a 75 Ohm coaxial video cable; the recommended maximum length is 250 m (800 ft).
Note
75 Ohm video termination can be enabled/disabled for the video input through the
product's web page at Video & Audio > Camera Settings > Video termination. Video
termination is enabled on factory default. If the product is connected in parallel with other
equipment, for optimum video quality, it is recommended that video termination is enabled
only for the last device in the video signal chain.
Network connector
RJ45 Ethernet connector with Power over Ethernet (PoE).
Audio connector
The Axis product has the following audio connectors:
• Audio in (pink) – 3.5 mm input for a mono microphone, or a line-in mono signal.
• Audio out (green) – 3.5 mm output for audio (line level) that can be connected
to a public address (PA) system or an active speaker with a built-in amplifier. It is
recommended to use a stereo connector for audio out.
For audio in, the left channel is used from a stereo signal.
3.5 mm audio
connectors (stereo)
1 Tip
Audio Input
Line out, mono
Audio Output
I/O connectors
Use the I/O connector with external devices in combination with, for example, tampering alarms,
motion detection, event triggering, and alarm notifications. In addition to the 0 V DC reference
point and power (DC output), the I/O connector provides the interface to:
Digital output - For connecting external devices such as relays and LEDs. Connected devices can
be activated by the VAPIX® Application Programming Interface or in the product's webpage.
Digital input - For connecting devices that can toggle between an open and closed circuit, for
example PIR sensors, door/window contacts, and glass break detectors.
2 Ring
Line out, mono
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3 Sleeve
Ground
Ground