Pin References for RS-232 / Alarm Block

PIN 1. GND

GROUND

PIN 2. ALARM INPUT 8

Used to connect an alarm sensor between ALARM INPUT 8 (PIN 2) and GND (PIN 1) to trigger an alarm on Camera 8 which can activate the internal audible alarm and start recording.

PIN 3. ALARM INPUT 6

Used to connect an alarm sensor between ALARM INPUT 6 (PIN 3) and GND (PIN 1) to trigger an alarm on Camera 6 which can activate the internal audible alarm and start recording.

PIN 4. ALARM INPUT 4

Used to connect an alarm sensor between ALARM INPUT 4 (PIN 4) and GND (PIN 1) to trigger an alarm on Camera 4 which can activate the internal audible alarm and start recording.

PIN 5. ALARM INPUT 2

Used to connect an alarm sensor between ALARM INPUT 2 (PIN 5) and GND (PIN 1) to trigger an alarm on Camera 5 which can activate the internal audible alarm and start recording.

PIN 6. ALARM INPUT 16

Used to connect an alarm sensor between ALARM INPUT 16 (PIN 6) and GND (PIN 1) to trigger an alarm on Camera 16 which can activate the internal audible alarm and start recording.

PIN 7. ALARM INPUT 14

Used to connect an alarm sensor between ALARM INPUT 14 (PIN 7) and GND (PIN 1) to trigger an alarm on Camera 14 which can activate the internal audible alarm and start recording.

PIN 8. ALARM INPUT 12

Used to connect an alarm sensor between ALARM INPUT 12 (PIN 8) and GND (PIN 1) to trigger an alarm on Camera 12 which can activate the internal audible alarm and start recording.

PIN 9. ALARM INPUT 10

Used to connect an alarm sensor between ALARM INPUT 10 (PIN9) and GND (PIN 1) to trigger an alarm on Camera 10 which can activate the internal audible alarm and start recording.

PIN 10. PIN OFF

PIN 11. RS232-TX

The DVR can be controlled remotely by an external device or control system, such as a control keyboard, using RS- 232 serial communications signals.

PIN 12. RS485-A

The DVR can be controlled remotely by an external device or control system, such as a control keyboard, using RS485 serial communications signals.

PIN 13. EXTERNAL ALARM NO

Under normal operation COM disconnect with NO. But when Alarm triggered, COM connect with NO.

PIN 14. PIN OFF

PIN 15. ALARM INPUT 7

Used to connect an alarm sensor between ALARM INPUT 7 (PIN 15) and GND (PIN 1) to trigger an alarm on Camera 7 which can activate the internal audible alarm and start recording.

PIN 16. ALARM INPUT 5

Used to connect an alarm sensor between ALARM INPUT 5 (PIN 16) and GND (PIN 1) to trigger an alarm on Camera 5 which can activate the internal audible alarm and start recording.

PIN 17. ALARM INPUT 3

Used to connect an alarm sensor between ALARM INPUT 3 (PIN 17) and GND (PIN 1) to trigger an alarm on Camera 3 which can activate the internal audible alarm and start recording.

PIN 18. ALARM INPUT 1

Used to connect an alarm sensor between ALARM INPUT 1 (PIN 18) and GND (PIN 1) to trigger an alarm on Camera 1 which can activate the internal audible alarm and start recording.