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External I/O Expansion Unit for SPARC Enterprise M
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000 Servers Installation and Service Manual • April 2011
1.4
External I/O Expansion Unit
Configurations
The External I/O Expansion Unit is available with one or two I/O boats. Two types
of link kits (copper and optical) are also available.
1.4.1
Single Boat Configuration
The base configuration for an External I/O Expansion Unit has a single boat, with a
filler panel in the second boat bay.
shows a host server and a base
External I/O Expansion Unit in the same rack.
A link card in the host server connects to a link card in the External I/O Expansion
Unit. One or two link cables connect the two link cards. (The cables are not shown to
scale.)
The copper link kit includes a single 13 ft/4 m link cable.
The optical link kit includes two link cables. The link cables are either 33 ft/10 m or
80 ft/25 m cables. Note that in
, the link cables are crossed so that the
Transmit port (TX) of one link card connects to the Receive port (RX) of the other link
card.
Summary of Contents for SPARC Enterprise M4000
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