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Push-lock terminal specifications
Input/output terminals Signal level Input/output circuit
<ALARM IN>
[0 voltage contact]
<SENSOR ALARM OUT>
[Open collector/1kΩ, Low Level
active (max. 25 mA)]
<Control terminals>
(Refer to P12)
Remote input
[2 wire voltage control type]
(REMOTE R1, R2)
Date adjustment input
[Zero voltage contact]
(CLOCK IN)
Clock adjustment output
[Open collector/1kΩ, Low Level
active (max. 25 mA)]
(CLOCK OUT)
Alarm total output
[Open collector/Low Level
active (max. 500 mA)]
(ALARM OUT)
Alarm reset input
[Zero voltage contact]
(ALARM RESET)
Abnormal warning output
[DC5V/5.7kΩ, Active Low]
(WARNING OUT)
Normal recording area
remaining level warning output
[DC5V/5.7kΩ, Active Low]
(FULL)
Remaining alarm warning
output
[DC5V/5.7kΩ, Active Low]
(ALARM FULL)
Series recording connecting
input
[DC5V/5.7kΩ, Active Low]
(SERIES IN)
Series recording connecting
output
[Open collector/1kΩ, Low Level
active (max. 25 mA)]
(SERIES OUT)
External timer input
[Zero voltage contact]
(EXIT TIMER IN)
NON REC Output
[DC5V/5.7kΩ, Active Low]
(NON REC OUT)
0V
Over 100 ms
Open grounded
input
10k
Ω
1kΩ
100kΩ
5V
IC
74HC597
Terminal
Open
0V
Motion sensor detection Alarm recording stop
Terminal
1k
Ω
IC
BU209
Terminal
1kΩ
+5V
4.7kΩ
Microcomputer
0V
Over 100 ms
Open grounded
input
Terminal
10kΩ
100kΩ
5V
1kΩ
IC
74HC597
0V
Approx. 1 second
Open
Terminal
1kΩ
IC
BU2090
Open
0V
Alarm recording start Alarm recording finish
Terminal
4.7kΩ
4.7kΩ
5V
IC
BU2090
2SD1801
2SA1576
0V
Over 100 ms
Open grounded
input
Terminal
10k Ω
100k Ω
5V
1kΩ
IC
74HC597
Warning condition established
(HDD error, fan error detected)
0V
5V
Terminal
4.7k Ω
5V
1kΩ
IC
BU2090
Warning condition established
(normal recording area capacity depleted)
0V
5V
Terminal
4.7k Ω
5V
1kΩ
IC
BU2090
Warning condition established
(alarm recording area capacity depleted)
0V
5V
Terminal
4.7k Ω
5V
1kΩ
IC
BU2090
0V
5V
Over 300 ms
Terminal
10kΩ
100kΩ
5V
1kΩ
IC
74HC597
0V
Open
Over 3 s
Terminal
1kΩ
IC
BU2090
0V
Over 100 ms
Open grounded
input
Terminal
10k Ω
100kΩ
5V
1kΩ
IC
74HC597
Recording stopped
0V
5V
Terminal
4.7k Ω
5V
1kΩ
IC
BU2090