Samsung SNB-3002 user manual Alarm I/O Wiring Diagram, Connecting to the I/O port box

Alarm I/O Wiring Diagram

ALARM IN

ALARM OUT

ALARM COM

GND

RS-485+

RS-485-

1

2

3

4

5

6

(5mA sink)

(30VDC 2A, 125VAC 0.5A MAX)

● INSTALLATION &

Connecting to the I/O port box

Connect the Alarm I/O signal to the corresponding port of the rear port box.

1	2 3 4	5 6					AUDIO OUT	AUDIO IN
			SD CARD
						SD	SYSTEM POWER
			VIDEO				RESET
			1 2 3 4 5		6	NETWORK		+
1	: ALARM IN	4 : GND
2	: ALARM OUT	5 : RS-485+	1 : ALARM IN	4	: GND	ACT	LINK	AC 24V
			2 : ALARM OUT	5	: RS-485+
3	: ALARM COM 6 : RS-485-		3 : ALARM COM 6		: RS-485-		GND	DC 12V

CONNECTION

•ALARM IN : Used to connect the alarm input signal.

•ALARM OUT : Used to connect the alarm output signal.

•ALARM COM : Common port where the alarm output signal is connected.

•GND : Used for earth-grounding.

•RS-485+ : Communication port for RS-485 receiver (+).

•RS-485- : Communication port for RS-485 receiver (–).

Connecting an external RS-485 device

Connect the camera with an external device using the [RS-485 +, -] ports.

You can control the pan/tilt operations of the camera via RS-485 communications.

The GND connection is recommended for RS-485 communications. If you encounter a communication failure, connect the GND pin as appropriate to correct the GND level between camera and external device.

English _21