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v Token Ring and Ethernet wiring scenario
Figure 4-7. Token Ring and Ethernet wiring scenario
4-10
zSeries 800: Installation Manual for Physical Planning
The "Token Ring and Ethernet" wiring scenario is intended for enterprises that
have both Token Ring wiring and Ethernet wiring requirements. This scenario is
included to provide the possibility of controlling the Support Elements from both a
Token Ring Hardware Management Console and an Ethernet Hardware
Management Console at the same time.
This wiring scenario is supported by the default set of adapters available with the
Support Elements and the optional Token Ring adapter on the Hardware
Management Console. The Token Ring adapter assumes the use of a 16 Mbit
Token Ring facility. The Ethernet features assume the use of 10/100 Mbit
Ethernet facilities, requiring the use of CAT-5 Ethernet cabling.
For this scenario, the three communication protocols (SNA, TCP/IP and NetBios)
used in Support Element-to-Hardware Management Console communication are
defined for both the Token Ring and the Ethernet adapters of the Support
Elements. The Token Ring wiring is connected using the MAU as described
above on page 4-3. The Ethernet wiring is connected from the Support Elements
to a customer supplied local hub capable of10/100 Mbit Ethernet rates.
The Hardware Management Consoles attached to either LAN will be able to
automatically discover the Support Elements, assuming that the LAN network
allows NetBios to flow between the devices. The Ethernet adapter will have to be
assigned an address on a separate subnet from the Token Ring adapter.
S/390
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Level 04a, June 21, 2004
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