LT Security LTD2408-2416 User Manual
Page 19
Advertising
Digital Video Recorder User Manual
13
Alarm output:
The DVR has 4-channel relay alarm output, which just give on/off signal to external alarm. The status of these pin are
illustrated as Fig. 2.7.
N O
. .
COM
N C
. .
N O
. .
COM
N C
. .
Before alarm
After alarm
Fig 2.8 Relay Output Status
Users need connect their alarm according to the NO or NC type of the alarm. One connection example as Fig 2.8
Fig 2.9 Alarm Output Connection
Advertising