Defender SENTINEL 3 - 11. HARD DISK INFORMATION; 12. APPENDIX; 12.1 DB25 ALARM INPUT;RELAY OUTPUT DEFINITION

SENTINEL 3 55
11. HARD DISK INFORMATION
1. Supports 3.5” ATA 2/ 3/ 4/ 5/ 6 format hard disk.
2. Supports high-capacity hard disk storage (up to 500 GB capacity).
3. This HDD is not hot swappable. To prevent damage, please enter the main menu to
stop all HDD activities, then power-off the device before replacing the hard disk.
12. APPENDIX
12.1 DB25 ALARM INPUT/RELAY OUTPUT DEFINITION
Pin Denition Pin Denition Pin Denition Pin Denition
1 ALARM 1 2 ALARM 2 3 ALARM 3 4 ALARM 4
5 GND 6 ALARM 5 7 ALARM 6 8 ALARM 7
9 ALARM 8 10 GND 11 12
13 14 15 16
17 18 19 20
21 RELAY
OUT-COM
22 RELAY
OUT-N.C.
23 RELAY OUT-
N.O.