20
4
Remove the screws from the mounting boss of the safety wire and the mounting boss of the cable
clamp.
5
Secure the safety wire with the screw from the mounting boss. Then, bundle the wire and the
cable using the cable clamp and secure them with each screw from the mounting boss as
illustrated.
IMPORTANT:
• Ensure that the safety wire is firmly secured.
Recommended tightening torque: 0.59 N·m {0.44 lbf·ft}
Connection
Turn off a circuit breaker before making a connection. Before starting the connection, prepare the
required devices and cables.
Network cable
RJ-45 (female)
Alarm input/output cable
4P alarm cable (accessory)
Microphone/line input cable (white)
Audio output cable (black)
Power cable
(12 V DC)
2P power cable
(accessory)
12 V DC (red)
GND (black)
LAN cable
(category 5 or better, straight, STP)
<Required cable>
LAN cable (category 5 or better, straight, STP)
1
Connect the microphone/line input cable and the microphone (for use of the audio reception
function).
Input impedance:
Approx. 2 kΩ (unbalanced)
Recommended cable length: Less than 1 m {3.28'} (for microphone input)
Less than 10 m {32.8'} (for line input)
Recommended microphone: Plug-in power type microphone (option)
Connect a monaural 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)
Input level for the line input: Approx. −10 dBV