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Chapter 6 Networking Communication
77
Note: Be sure to power off the HMI-640S before you
connect or disconnect any cable.
3. Power up your HMI-640S and after the system boot has complet-
ed, try access Start/Programs/Communication/Remote Networking
properties sheet.
4. Click Make New Connection to pop up a dialog box and choose
Direct Connection.
5. Double-click the New Connection icon to connect to the PC.
6. After you have successfully connected to the host PC, just verify
the validity of your RS-232 connection by typing the host name of
your host PC in the Address Bar of your Windows CE Explorer.
Press Enter to search for the host PC. If the connection is success-
ful, you can see the network shares that is available from the host PC.
6.3 Simple Networking via a Hub
If you want only to connect your HMI-640S and the host PC through
RJ-45 ports, it is required that you use twisted-pair cables to connect
both to a central hub. Note that this network configuration is essen-
tially the same with Ethernet despite a configuration of merely two
end nodes.
After you have established a proper connection, you can verify the
network communication according to the procedure described in the
previous section.