Access Control System User Manual
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NTP Clock Synchronization: Select “Enable” and configure “Server Address”, “NTP Port” and “Time
Correction Interval”. When it is enabled, the camera will correct time on a time basis of the configured
interval.
Note: NTP (Network Time Protocol) is a protocol to synchronize time. It enables PC to synchronize
with its server or time source such as quartz and GPS); it provides highly precise time
correction (difference less than 1ms with the standa
rd on LAN, decades ms on WAN), and it‟s
able to prevent vicious protocol attack by encryption confirmation.
DST: DST (daylight saving time) is the practice of advancing clocks during summer months so that
evening daylight lasts longer, while sacrificing normal sunrise times and the time applied during DST
is called DST time. Select "Enable DST" and set “Start Time”, “End Time” and “Time Deviation”.
3.8.4
Serial Port
Go to
Settings > System > Serial Port
, and configure serial port.
Serial port is used to control extended alarm input or device debugging (subject to devices). Usually serial
port is identified as RS485 A/B. Pair the ports by configuring RS485 port parameters. Please configure the
parameters such as “Baud Rate”, “Data Bits” and “Address Code” according to the actual conditions. After
finishing, click “Save” to validate setting.
Picture 3-70 Serial port
3.8.5
Log
Logs
Go to
Settings > System > Log > Logs
, select "Enable Log Record" to search, view and download
logs.
Picture 3-71 Logs
Operation steps are as follows:
1) On the dropdown list of log type, select a log type, otherwise the default is "Search All";
2) Select start time and end time, and click "Search". The search result will show on the list below;
3) Click "Save logs" to download all logs locally; click "Delete logs" to clear all logs.
Note:
