2-16
External I/O Expansion Unit for SPARC Enterprise M
x
000 Servers Installation and Service Manual • April 2011
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.
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.
For other LED combinations, see
b. Turn off the PSU AC switches.
The LEDs on the PSUs continue glowing until DC current in the PSUs is
depleted. This can take approximately five to ten seconds.
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:
TABLE 2-2
Normal PSU Indications
LED
Indication
AC Power
On (green LED)
DC Power
On (green LED)
Summary of Contents for SPARC Enterprise M4000
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