45
Figure 13. Configuring the computer's IP address
Once the computer is configured the IP address of a RT can be found by running
NAVdisplay software; this will display the IP address of any RT connected.
Note that it is possible to change the IP address of RT systems. If the IP address has been
changed then NAVdisplay should still be able to identify the address that the RT is using
as long as the PC has a valid IP address and this is not the same as the RT’s.
Connection details
The RJ-45 connector on the 14C0038x user cable is designed to be connected directly to
a network hub. To extend the cable it is necessary to use an in-line coupler. This is two
RJ-45 sockets wired together in a straight-through configuration. Following the in-line
coupler, a normal, straight UDP Cat 5e cable can be used to connect the coupler to the
hub.
The RT2000 uses a standard Ethernet port. This can be connected to a hub using a
straight cable or to a laptop directly using a cross-over cable.
The RT3000 or RT4000 can also be connected directly to an Ethernet card in a computer.
To do this a crossed in-line coupler must be used. The connections in the crossed coupler
are given in Table 27. Note that this is not the normal configuration sold and it may be
necessary to modify an existing coupler to suit.
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