Samsung SNB-3000P User Manual page 21

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
1,2 : ALARM IN 1,2
3 : GND
4,5 : ALARM OUT 1,2
ALARM IN 1, 2 : Used to connect the alarm input signal.
GND : Used for earth-grounding.
ALARM OUT 1, 2 : Used to connect the alarm output signal.
Alarm I/O Wiring Diagram
ALARM IN 1
ALARM IN 2
GND
External Relay
ALARM OUT 1
External Relay
ALARM OUT 2
1
2
3
4
5
AUDIO OUT
SD CARD
SD SYSTEM POWER
VIDEO
NETWORK
1 2 3 4 5
1,2 : ALARM IN 1,2
ACT LINK
3 : GND
GND
4,5 : ALARM OUT 1,2
AUDIO IN
RESET
AC 24V
DC 12V
English _21