Dahua DHI-VTO2202F-P-S2, User Manual, Page: 22 / 44

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Configure the parameters.
Table 6-3 Local access control parameter description
Parameter Description
Unlock Responding
Interval
The door can only be unlocked again after the interval.
Unlock Period The time during which the lock stays unlocked.
Door Sensor Check
Duration
Enable to lock the door until the door sensors make contact. If the door is
unlocked longer than the Door Sensor Check Duration, the door triggers an
alarm and sends an alert to the management center.
Disable to lock the door after the Unlock Period.
Install a door contact to configure this parameter.
First/Second Unlock
Command Connect a third-party phone, such as a SIP phone, to the VTO, and use the
command to open the door remotely.
Door Contact Type
NC: Normally closed.
NO: Normally open.
Door Sensor Enable Synchronizes door sensor status to indoor monitors (VTHs).
Fire Alarm
If turned on, connect an alarm device to the port that is originally for the
door contact.
Lock
Non-remote methods, such as password or card, will unlock the lock you
select.
IC Card Encrypt Access cards issued by the VTO will be encrypted and unclonable.
Click Save.
6.3.2 RS-485
Select Local Settings > Access Control Settings > RS-485, and then configure the parameters of the
lock connected through the RS-485 port. See Table 6-3 for parameter description.
Lock connected through the RS-485 port