Samsung SSA-P400/EXP manual Input Connection, Connect the other line NC of the door sensor to GND

POWER, READER, AND I/O CONNECTION

Input Connection

Door Open Sensor

PUSH

Exit Button

Door Open Sensor

PUSH

Exit Button

GND

Input #7

GND

Input #6

GND

Input #5

GND

Input #4

GND

Input #3

GND

Input #2

GND

Input #1

-Exit Button Connection (Input #1, Input #3)

1.Connect one line of the Exit button to an input port (Door 1: Input #1, Door 2: Input #3) of the Exit button.

2.Connect the other line of the Exit button to GND (-).

-Door Sensor Connection (Input #2, Input #4)

1.Connect one line (COM) of the door open/close sensor to the input port (Door 1: Input #2, Door 2: Input #4) of the door sensor.

2.Connect the other line (NC) of the door sensor to GND (-).

	Door Number	External Reader	Internal Reader	Note
Two Door Control	1	Input #1	Input #2
	2	Input #3	Input #4
	1	Input #1	Input #2
Three Door Control	2	Input #8	Input #9	I/O Board
	3	Input #10	Input #11	I/O Board
	1	Input #1	Input #2
Four Door Control	2	Input #3	Input #4
	3	Input #8	Input #9	I/O Board
	4	Input #10	Input #11	I/O Board

8_Installation and External Connection