
INSTALLATION MANUAL
RK SERIES - IP NETWORK CAMERAS
Page:5
AUXILIARY CONNECTIONS
Some camera models have other connections, in addition to the basic ones:
-AUDIO IN (AUDIO IN) – This is a female RCA connector to which you can connect an external
microphone. Normally the microphone also has a female RCA so between the two you will have to
interpose a cable with male RCA on both sides or a male-male RCA adapter. The external microphone
must be powered separately.
AUDIO OUT (AUDIO OUT) - It is a female RCA connector to which you can connect an external speaker.
Normally the loudspeaker also has a female RCA so between the two you will need to interpose a cable
with male RCA on both sides or a male-male RCA adapter. The external loudspeaker must be powered
separately.
ALARM INPUTS/OUTPUTS – Some cameras have a green terminal block to connect inputs (sensors,
contacts) and alarm outputs (buzzers, lighting, etc.). You can connect contacts to the two terminals of
each input (ALARM IN) which can trigger alarm actions. You can manage both NO and NC inputs in the
camera configuration. The two output terminals (ALARM OUT) are nothing more than a normally open
relay contact (NO) with which you can directly control DC loads up to 1A or activate an external power
relay to control 220V loads. A label with a legend explaining the arrangement of the connectors is
applied to the terminal block cable.
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CONNECT AND CHECK NETWORK CONNECTION
Connect ONLY ONE CAMERA AT A TIME to the network, because having all the same fixed base address they
would conflict. Only after configuring the IP address of the first camera will it be possible to connect
another one.
After connecting the network cable, it is a good idea to check that the LEDs of the switch or NVR located
near the network port flash, to confirm the good data connection in progress. If the network port LEDs do
not light up, it is impossible to proceed with the configuration because the camera is not working properly.
Reasons for the failure of the LEDs to light up can be poorly made connectors, too long or poor quality
cable, interference, breakdowns.
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