Moxa Technologies DE-334 - Manual (Page 101)

Installation and Configuration
NPort Server Lite User’s Manual 5-17
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There are two options to choose from when adding access. Choose Single
Host to only allow access to the computer with the given IP Address.
Choose A Group of Host to allow access to a group of computers. In the
example shown here, computers connected to the same LAN as NPort
Server Lite, and with IP addresses of the form 192.168.xxx.xxx, will all
be given access. More specific (limited or wider) access can be granted by
considering the bit-by-bit versions of both the IP Address and Netmask.
Port Status
NPort Server Lite’s serial port’s COM number can be changed by clicking on the Ports Setting button.