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CHAPTER 2
INSTALLATION
REQUIREMENTS/SPECIFICATIONS
This chapter lists MMAC and Local Management console
requirements and concludes with operational specifications for the
ETWMIM. You must meet all conditions, guidelines, specifications,
and requirements in this chapter to achieve optimum performance
from this equipment. Failure to follow these guidelines may result in
unsatisfactory network performance.
See Appendix A, EPIM Specifications, for information concerning
the optional Ethernet Port Interface Modules.
2.1 MMAC REQUIREMENTS
The ETWMIM should be installed in an MMAC equipped with a
Flexible Network Bus (either an MMAC-3FNB, MMAC-5FNB or an
MMAC-8FNB).
Note: The FNB is a full-height, full-width backplane that links
Cabletron Systems FDDI or Token Ring products. Upgrade kits for
MMAC-3s and MMAC-8s (without an FNB) are currently available.
Contact Cabletron Systems Technical Support for more information.
Two types of MMACs currently support FNB architecture — shunting
and non-shunting. Shunting MMAC-FNBs allow modules to continue
communicating on their perspective buses, regardless of whether
there is an empty slot between them in the chassis.
Table 2-1 lists the part numbers of the MMAC chassis that have
shunting capabilities.
Page 2-1
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