Samsung SNB-9000 User Manual page 14

overview
Rear Side
Item
Power Port
I/O port
14_ overview
1: GND 4: RS-485 -
2: Tx 5: RS-485 +
7: Alarm in 1
3: Rx 6: EXT D/N
8: Alarm in 2
1 2 3 4 5 6 7 8 9 10
ACT LINK
Used to plug the power cable.
GND Ground public end.
Tx RS232_TX, RS232 COM send out end.
Rx RS232_RX, RS232 receive end.
RS485+/RS485- RS485+/- port, control external PTZ.
External D/N input port. Used to switch Day/Night
EXT D/N
Mode.
Alarm input port. To receive the signal from the
Alarm in 1/2
external alarm device.
Alarm output port. To output alarm signal to the alarm
Alarm out device.
Normal open alarm output end.
Alarm output port. To output alarm signal to the alarm
COM device.
Alarm output public end.
9: Alarm Out
10: COM
FOCUS
Description