September 2002
Intermediate to advanced
332 pages
11h 1m
English
Content preview from IBM eServer zSeries 900 Technical Guide
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Chapter 3. Connectivity 131
Although there is only one FDDI port, there are two connectors available for either single-ring
or dual-ring environments. The connector labelled FA is the primary connector, and the
connector labelled FB is the secondary connector.
The OSA-2 FDDI adapter is designed with a dual-ring topology in mind. This is made up of
the two connectors on the card: FA and FB. The FA connector is made up of the Primary In
(Receiver) and Secondary Out (Transmitter), and the FB connector is made up of the Primary
Out (Transmitter) and the Secondary In (Receiver). When you connect an A connector to a B
connector, you make a complete ring.
For further information, see the following manuals:
Planning for the Open Systems Adapter-2 Feature ...
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