
External Alarm I/O Circuit Diagram
Pin 1
Warning!
The alarm will be triggered when alarm
pin 1 & 2 are formed as a short circuit. Please do not
connect the electric voltage or current into alarm input
pin for the electronic current might burn the product.
Pin 2
Warning!
The alarm will be triggered when alarm
pin 2 & 3 are formed as a short circuit. Please do not
connect the electric voltage or current into alarm input
pin for the electronic current might burn the product.
Pin 3
Warning!
• Where connecting of a low or high current loop to the external alarm input/output of the
product is required, the wiring and connection shall be conducted by a qualified electrician.
Incorrect wiring may bring about damage to the product fatal electric shock.
• Direct connection of the external alarm input/output terminal to high-current equipment is
not allowed and a customized repeat circuit might be required (provided by the customer)
for some cases to isolate the terminal and the high-current equipment. Where the
voltage/current of an external device exceeds the loading capability (5V) of the Alarm I/O,
the product would be damaged seriously.
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Summary of Contents for ALC-/9751W
Page 1: ...ALC 9751 9751W 3GPP Professional Revolving PT Internet Camera User s Manual Version 1 0 ...
Page 24: ...Select a video stream protocol 24 ...
Page 30: ...11 Video stream screen 30 ...
Page 34: ...OSD setting Brightness contract adjustment Date time and text display 34 ...
Page 53: ...Notification setting 53 ...