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Rear connections
(1)
(2)
(1)
Voltage supply
(2)
Fan/Ventilator
(3)
Alarm
(4)
VIDEO IN
(5)
VIDEO OUT
(6)
COM RS-232C (serial connection)
(7)
NTSC/PAL video norm toggle switch
Important: Make sure you use the correct power cable for your country.
Important: The RS232-C port is not for connecting a modem.
Important: During long-term operation, the integrated ventilator fan sometimes generates noise that may be
slightly disturbing. Remember this when choosing a location for the recorder.
Description of alarm input
Sockets for alarm input and output are on the rear of the recorder. Connect the alarm output of a
multiplexer, a video sensor or a PIR sensor to the alarm input.You can connect a contact for a siren or light
control (for example) to the alarm output.
ALARM
1 2 3 4 5
PIN
Definition
1
Alarm input
2
Alarm input ground
3
Alarm output
4
Alarm output
5
Alarm output
(3)
100–240 V AC
Never touch this!
Connections for alarm input and output
BNC video connection (composite video signal)
BNC video output (composite video signal)
For connecting a PC
NTSC / PAL
NO (normally open)
GND
NC (normally closed)
NO (normally open)
GND
Blade-900_8
(4)
(5)
Description
(6)
(7)
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