
Application in combination with TCP/IP CP143 H1 / TCP/IP manual
5-64 Rev. 00/07
Port address for local and for external stations
The port address determines the address of the connection that is used for the transfer of
data. The port address for the local station may be compared to the local (own) TSAP on the
H1-level. The port address of the local station consists of a decimal number (16-bit-address)
of 5-digits. Both, TCP as well as UDP use port addresses for data transfers to the respective
application level. Please note that certain ports in the range from 0 to 255 have been reserved
for common services. The port address for the local station and the external station must be
different.
Range: 0 to 65535
IP-address
The IP-address is a 32-bit-address that must be unique within the network. The address
consists of 4 numbers that are separated by a full stop. This is also where multicast circuits
are defined. Multicast circuit definitions may range from 224.0.0.0 to 239.255.255.255.
You can obtain the IP-address from your system administrator.
Range:000.000.000.000 to 255.255.255.255
You may enter an unspecified port address or IP address, i.e. the port or IP address are irrelevant
when evaluating messages if the post address is o or the IP address is 0.0.0.0.
Fig. 5-28 contains possible applications.
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