IBM Z10 BUISNESS CLASS Z10 BC, Installation Manual

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Ethernet only - one path wiring scenario
This “Ethernet only” wiring scenario is intended for enterprises who currently
have Ethernet installed and who do not want Token Ring wiring introduced into
their environment. This wiring scenario requires that a second Ethernet be
specified with the support Elements. The Ethernet features assume the use of
10/100 Mbit Ethernet facilities, requiring the use of CAT-5 Ethernet cabling.
Since the Support Element Ethernet only feature includes two Ethernet adapters,
there will be two Ethernet connections available. For this scenario, only the
Ethernet cable connected to the Ethernet in the first (top) PCMCIA slot of the
support Elements will be used.
The TCP/IP protocol used in Support Element to Hardware Management Console
communication is defined for both adapters in the PCMCIA slots of the support
Elements.
It will be necessary to connect the “top” Ethernet adapter cable to a customer
supplied local hub capable of 10/100 Mbit Ethernet rates. It will be necessary to
connect the Ethernet from the Hardware Management Console to either the
same hub as the support Elements, or to a hub that connects to the Support
Element hub.
Ethernet LAN
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System z and zSeries
Optional
Level 03c, May 2011
Chapter 6. Hardware Management Console and support element communications
55