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Allied International Home Security System User Manual

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Camera interfaces
Hardware Installation Guide V2.0.0
49
Flux voltage from LED type 1.5 V at 10 mA
Initial on-current
5 mA
Max. off-current
0.25 mA
Max. input current
15 mA
Min. pulse width
2.2 µs
OSCAR: 100 µs (software)
 Table 14: Input characteristics: Flux voltage (OSCAR, MARLIN, PIKE)
Cycle delay of the optical coupler
tpdLH
2275 ns
tpdHL
2290 ns
 Table 15: Input characteristics: Cycle delay (OSCAR, MARLIN, PIKE)
Absolute maximum
ratings
Recommended
operating conditions
Description
Input voltage
-0.5 V ... +7.0 V
0 V ... + 5.5 V
5 V CMOS
Input rise and fall time
Schmitt trigger
implemented
Input clamping voltage 24 V
Input pulse width 
(min.)
> 1µs
Digital input filter
 Table 16: Input characteristics (GUPPY)
Flux voltage from LED type 1.5 V at 10 mA
Current
8 mA (constant)
Min. pulse width
1.5 µs
 Table 17: Input characteristics: Flux voltage (STINGRAY)
Cycle delay of the optical coupler
tpdLH
≤ 1 µs
tpdHL
≤ 1 µs
 Table 18: Input characteristics: Cycle delay (STINGRAY)