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PCIIISA BUS Isolation
The following definitions are of terms referred to in the table:
Auto-removal The state in which a token-ring adapter port removes itself from the network to perform
self-tests to verify that it is not the cause of a hard error. If the tests are successful, the
port will reattach itself to the network.
Beaconing
The state that a token-ring adapter port enters after it has detected a hard error. The error
condition is reported to the other devices on the network. Beaconing can result in the port
removing itself from the network (auto-removal) to determine whether it is the cause of the
hard error.
Hard error
An error condition on a network that requires removing the source of the error or
reconfiguring the network before the network can resume reliable operation.
Initialization
The first step taken to prepare an adapter port for use after the computer has been
booted. During initialization, the adapter port runs a series of internal self-diagnostic tests.
Open
The state in which the adapter port has established connection with other devices on the
ring.
Wire fault
An error condition caused by a break or a short circuit in the cable segment that connects
the adapter port to its access unit, such as an IBM 8230 Token-Ring Network Controlled
Access Unit.
Adapter Communication Problems
Check the following list of possible causes if the adapter is unable to communicate on the network but
other stations on the network are able to communicate.
• Verify that the appropriate adapter cable is connected to the adapter and to the network. See "Adapter
Cable" for a description of compatible adapter cables.
• Verify that the adapter is firmly seated in the expansion slot.
• Verify that the setting for the adapter's Data Rate option matches the data rate of the network, or that
the data rate has been set to AutoSense if yours is not the first station on the ring.
• Run the adapter diagnostics. If the tests are completed successfully, and the adapter is still not
communicating, contact your network administrator.
• Replace the adapter cable with one that is known to be good.
• Check C:IBMCOM\LANTRAN.LOG for errors.
Adapter Cable
To connect the IBM Token-Ring Adapter to a Token-Ring Network, you will need one of the cables
illustrated in Figure 11 on page 22. Cables are not included in the adapter package. The network end of
the cable must be compatible with the network faceplate or other device to which the adapter will be
connected.
Note: No more than one data cable may be connected to the PCI Token-Ring Adapter at a time.
Chapter 4. PCIIISA BUS and Adapters
21
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