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1.7 ALARM CONTACT INSTALLATION
The alarm input can be used to start recording or for recording rate adjustment. In addition, alarm reactions
such as camera display on the monitor, buzzer, e-mail and network alarm are available. The alarm output
relay can be switched if required. Alarm input response actions can be controlled according to a flexible
schedule.
1.7.1 Alarm Input Contacts
This DVR provides one alarm input per camera. The input is programmable N.O. (Normal Open) or N.C.
(Normal Closed) Input has to be switched by dry contacts.
1 G 2 3 G 4
1 G 2 3 G 4
Alarm input with N.O. (Normal Open) contact Alarm input with N.C. (Normal Closed) contact
in idle state in idle state
All settings are programmed in the ALARM menu (Section 4.5.1).
1.7.2 Alarm Output Relay
The relay output provides either Normally Open or Normally Closed dry contacts.
Output relay in idle state