Datasheet

INSYS ETHERNET 5.X Initial Operation
Nov-06 19
Only with a correctly set network interface will the full range of functions be available.
Besides data connections, also remote configuration or remote updates via Telnet will be
available.
4.4.1 Brief introduction to IP
IP address and netmask
The IP address of a network device is a 32 bit numerical value for the detection of an in-
dividual device within a network and is in general displayed as 4 decimal numbers be-
tween 0 and 255, which are separated by full stops.
Example: IP 192.168.100.210
The IP address is composed of 2 pieces of information:
The network code and the device number within this network.
The NetMask (NM) defines which 4 digits belong to the network code and which to the
device number. All digits which are allocated 255 in the NM belong to the network code.
In most networks, the NM is set up as shown in the following example.
Example: IP 192.168.100.210
NM 255.255.255.0
 Network 192.168.100.
Device 210
The NM should be the same for all participants of a local network segment. This also ap-
plies to the first part of the IP address which indicates the network code.
The device number, however, must be allocated individually.
Example: NM 255.255.255.0
Device A 192.168.100.210
Device B 192.168.100.211
Device C 192.168.100.212
Note
In private networks, only certain, specially reserved address ranges
should be used as network codes (e.g. 192.168.xxx.xxx) to avoid any
possible address conflicts in connection with the Internet from the be-
ginning.
The device numbers 0 and 255 are reserved addresses and should not
be used as subscriber addresses.