Abus IPCB78521 설치 매뉴얼 - 페이지 17
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3.5 Switching input/output
The maximum load values must be observed, otherwise, the camera may be
irreparably damaged.
Switching input
Switching output „OUT"
3.7 Audio input / audio output
Audio input
Audio output
3.8 Notes to the usage of internal IR LEDs
The IR range is strongly dependent on the environmental conditions. If the area in the
camera's field of view reflects poorly or if there are no objects within the max.
illumination range, the brightness of the video image at night may be too low. This will
result in poor usability of the video image.
In addition, when installing the camera it must be ensured that no objects are located in
close proximity to the camera's field of view (e.g. roof gutter or wall). These objects can
reflect back the IR light, resulting in circular fading on the video image in the opposite
direction to the object.
The IR range might be reduced as well by strong absorbing surfaces (e.g. asphalt).
Description
Connection information
„IN"
Bridge between „IN" and „G "
„G" (GND)
12 V DC / 24 V AC, max. 500 mA
„G" (GND)
Description
Connection information
„IN"
MIC / LINE Interface
LINE: max. 3.3 Vpp, input impedance 4.7 kΩ
„G" (GND)
„OUT"
Impedance: 100 Ω
Frequency range: 20 Hz – 20 kHz
„G" (GND)
Output amplitude: max. 3.3 Vss
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