Unisight EmPower NVR User Manual page 268

Please refer to the following sheet for detailed information.
Parameter
Version
SNMP Port
Read Community
Write Community
Figure 4-44
Function
Select by clicking the check box in front of the corresponding
version.
System selects V3 by default. There might be some risks for
V1 and V2.
The listening port of the proxy program of the device. It is a
UDP port not a TCP port. The value ranges from 1 to 65535.
The default value is 161
It is a string. It is a command between the manage process
and the proxy process. It defined the authentication, access
control and the management relationship between one proxy
and one group of the managers. Please make sure the device
and the proxy are the same.
The read community will read all the objects the SNMP
supported in the specified name. The default setup is public.
It is a string. It is a command between the manage process
and the proxy process. It defined the authentication, access
control and the management relationship between one proxy
and one group of the managers. Please make sure the device
and the proxy are the same.
The read community will read/write/access all the objects the
SNMP supported in the specified name. The default setup is
255