Configuration Examples Introduction to TCP/IP
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The following LAN prerequisites are possible:
8.2 Introduction to TCP/IP
In a single LAN it is possible to use various protocols for the transmission of data.
The connection between a workstation computer and the OpenCom 100 runs via
the IP protocol (also named TCP/IP) used on the Internet. IP can be used together
with other protocols (e.g. NetBEUI, AppleTalk or IPX/SPX) on the same network.
Every device participating in data transmission using IP requires a unique IP
address. An IP address consists of four groups of digits from 0 to 255, each sepa-
rated by a full stop. The supplementary protocols DHCP and PPP automatically
assign IP addresses to devices. Class C networks normally use IP addresses in
which the first three numbers are the same and the last number is uniquely
assigned to a specific device in the LAN. On the Internet, unique addresses
assigned by a special organisation created for this purpose are used. Within a LAN,
you can use addresses which are not unique world-wide:
Server configuration in the LAN OpenCom 100 Functions
No IP server present OpenCom 100 functions automatically
as DHCP and DNS server
IP server present
DHCP server present
OpenCom 100 functions automatically
as DHCP client
System Administrator must assign IP
address and DNS name for
OpenCom 100
IP server present
No DHCP server present
Special case when integrating the
OpenCom 100 in a LAN; settings in the
NET Configuration: LAN menu must
be coordinated with the responsible
system administrator
IP Range Common Netmask Comment
192.168.0.0-
192.168.255.255
255.255.255.0 256 smaller networks
172.16.0.0-172.31.255.255 255.240.0.0 1 medium network
10.0.0.0-10.255.255.255 255.0.0.0 1 large network
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