Installing The Link Kit - Oracle SPARC Enterprise M4000 Installation And Service Manual

4. If you wish to test the External I/O Expansion Unit for basic electrical
functionality, do the following:
a. Turn on the PSU AC switches.
TABLE 2-2
LED
b. Turn off the PSU AC switches.
2.6

Installing the Link Kit

A link kit includes two identical link cards, one for the host server and one for the
I/O boat. You can install either card in either location.
The link card in the I/O boat is always installed in boat slot 0. If your External I/O
Expansion Unit has two I/O boats, then link cards must be located in slot 0 of both
boats.
Note – If you are installing a second boat in the External I/O Expansion Unit, both
boats must be connected to the same host server. Do not connect the second boat to a
different server. The second boat can be connected to a different domain on the same
server, but not to a domain on a different server.
Note – Do not daisy-chain two boats (connect a boat to another boat through link
cards). Daisy-chain configurations are not allowed.
Your link kit is one of two types:
2-16 External I/O Expansion Unit for SPARC Enterprise Mx000 Servers Installation and Service Manual • April 2011
The switches are located on the front of the power supplies.
The LEDs on the power supplies should display the following indications after
a short initialization period.
Normal PSU Indications
AC Power
DC Power
For other LED combinations, see
The LEDs on the PSUs continue glowing until DC current in the PSUs is
depleted. This can take approximately five to ten seconds.
Indication
On (green LED)
On (green LED)
.
TABLE B-4