Zkteco ES-852O12H [46/49] Internet configuration

Enable NTP function; make the time synchronization with both the IPC and GPS clock server, to ensure the

accuracy of device time.

5.3.1 Internet Configuration

Get to the 【Configuration】→【Network】, choose 【Advanced】, and then choose 【NTP】to set.

After the device can access the Internet, NTP server can use the standard NTP server at Internet as clock source.

For example, China National Center server timing (IP address: 210.72.145.44). Input the IP address and domain

name of relative server at NTP setting.

To activate NTP, click to choose “Enable”.

The interval of changing time is from 1 to 65535 minutes.

5.3.2 Intranet Configuration

If IPC work under the intranet, user can set up a privately-owned server as clock source. NTP address in IPC

configuration fill in privately-owned NTP address can work.

Privately-owned NTP server can adopt standard NTP products and accurate time PC system. Please refer to

below instruction when adopt PC system as a NTP server.

NTP Server Set Up under Windows

Click “Start” m en u → “Run”(or W in + R), an d in p u t “reg ed it” to g et in to REGEDIT.

Build a new key assignment of DWORD Value under :

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\W32Time\Parameters registry subkey;

Change the value to 1, and save.

Restart the computer.

NTP server set up under Linux system

Due to the particularity of Linux system, for detail way to erect the NTP server, please refer to every editions of

the manual.

5.4 Voice Intercom

5.4.1 Summary

Embedded IPC Bidirectional Talk: user can talk to remote client software or Web via IPC audio input and output