29
Connection
Turn off a circuit breaker before making a connection. Before start the connection, prepare the
required devices and cables.
Network cable
RJ-45 (female)
Alarm input/output cable 4P alarm cable (accessory)
Power cable
(12 V DC)
2P power cable (accessory)
12 V DC (red)
GND (black)
Mic/line input cable (white)
Audio output cable (black)
Power cable
12 V DC
Red
Positive
Black
Negative
z
Connect the microphone to MIC/LINE IN (for use of the audio reception function).
Input impedance:
2 k
Ω
±10 %
Recommended cable length: 1 m {3.3'} or less (for microphone input)
10 m {33'} or less (for microphone input)
Recommended microphone:
Plug-in power type microphone (option)
Connect a mini plug (ø3.5 mm).
• Supply voltage:
2.5 V ±0.5 V
• Recommended sensitivity of microphone: –48 dB±3 dB (0 dB=1 V/Pa,1 kHz}
Important:
• Connect/disconnect the external speaker cables or audio/video cables after turning off the
power of the camera and the amplifier. Otherwise, loud noise may come out from the
speaker.
Important:
• Securely tighten all the fixing screws (x3) of enclosure.
Otherwise, water exposure may cause damage or malfunction of camera, or camera drop-
ping may result in injury.
(Recommended tightening torque: 0.78 N·m {0.58 lbf·ft})
• Attach the inner dome in accordance with the lens direction to not to change the lens direc-
tion.
• Check if the tabs of the inner dome are firmly fit.
• Remove the cushioning (pink sheet) from the inside of the dome and the protection sheet
from the outside of the dome.
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