Samsung SNC-C7478P manual Video Connection, Audio Input/Ouput Connection, Alarm Input Connection

Installation

❖Video Connection

• Connect with BNC coaxial cable.

❖Audio Input/Ouput Connection

1. Connect the AUDIO IN port of the camera with the microphone directly or LINE OUT port of the amplifier that the microphone is connected to direct Mic Connection: Set Audio Input Gain high (10). Refer to page 41 in this Manual.

line Out Connection: Set Audio Input Gain low (1). Refer to page 41 in this Manual.

2. Connect the AUDIO OUT port of the camera with the LINE IN port of the speaker.

If the microphone is connected directly to AUDIO OUT terminal, the speaker will not produce sound. The MIC IN function is not supported.

❖Alarm Input Connection

• Sensor Input

INTERNAL

IN 1

IN 2

IN 3

IN 4

GND

IN 5

IN 6

IN 7

IN 8

It is noted that short circuit between GND and Input pin means alarm activation.

If you want to use Alarm Input, the types of sensor must be selected in SETUP menu. Refer to "ALARM INPUT SETUP"(Page 46) in this Manual. The sensor types are Normal Open and Normal Close If sensor type is not selected properly, the alarm can be activated reversely.

•Alarm Output

There are 4 Alarm Outputs and all of them are Relay contact type. Therefore, you do not have to care about polarity, AC/DC, and isolations between channels. Care must be taken for the power capacity of relay contact written above.

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