Replacing A Boat In A Dual Boat Configuration - Sun Microsystems SPARC Enterprise T5120 Installation And Service Manual

17. Turn on the AC switches on the External I/O Expansion Unit PSUs.
On the PSUs the AC power (
For other LED indications, see
18. Start the domains that are connected to the External I/O Expansion Unit.
For information about starting a domain, refer to the documentation for the server.
4.9.2

Replacing a Boat in a Dual Boat Configuration

The External I/O Expansion Unit must be powered off during this procedure.
1. Use an antistatic strap for this procedure.
2. Stop the domains that are connected to the External I/O Expansion Unit.
For information about stopping a domain, refer to the documentation for the
server.
3. Turn off the AC switches on both PSUs at the front of the External I/O
Expansion Unit.
4. Move the cable plate to the service position:
a. Loosen the cable plate locking screws (item 3 in
b. Pull the cable plate toward you approximately 0.5 in./13 mm, then raise it
c. Push the cable plate forward to its service position (item 2 in
5. Label all I/O cables.
6. Replace the defective I/O boat:
a. Disconnect the link cable from the link card in slot 0 in the I/O boat
b. Disconnect the I/O cables from the PCI cards in the I/O boat.
c. Loosen the captive screws (item 2 in
d. Remove the I/O boat and set it flat on an antistatic surface.
approximately 0.75 in./20 mm, until the bottom of the plate is above the tops
of the support brackets.
that the cable plate rests on the support brackets.
The tabs on the sides of the cable plate should lie in the small notches on the
tops of the support brackets.
When you can see the warning label on the top of the I/O boat, the boat is
almost fully out of the boat slot.
) and DC power (
Appendix B.
) at the top of the I/O boat.
FIGURE 1-4
Chapter 4 Servicing and Replacing Components
) LEDs should light.
).
FIGURE 4-4
FIGURE 4-4
) so
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