External I/O Expansion Unit Configurations; Single Boat Configuration - Oracle SPARC Enterprise M4000 Installation And Service Manual

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.
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
Transmit port (TX) of one link card connects to the Receive port (RX) of the other link
card.
1-34 External I/O Expansion Unit for SPARC Enterprise Mx000 Servers Installation and Service Manual • April 2011
shows a host server and a base
FIGURE 1-26
, the link cables are crossed so that the
FIGURE 1-26