Brickcom OSD-040 36x Series, Руководство пользователя

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8.5.5 Digital Output (DO)
The DO socket allows the IP camera to send output to an external device.
While executing the DO notification action, the IP camera drives voltage on the
connected DO wire to the triggering voltage level for X number of
seconds. The connected external device will then be triggered for X number of
seconds.
a. Triggered Voltage Level : OPEN or GROUND. Users should select
the option according to the specification of their external device.
NOTE – This function is only available for CB-101A and CB-102A models.
8.5.6 Video Clip
This function is used to determine when video clips will be recorded and stored
after an event is triggered.
a. Pre-alarm buffer - Images can be stored internally on the server from
the time immediately preceding the trigger. Enter the desired length
of time.
b. Post-alarm buffer - Images can be stored internally on the server
from the time immediately following the trigger. Enter the desired
length of time.
c. Maximum buffer size – Specify the maximum file size allowed.
Click Apply to apply settings or Cancel to cancel changes.