Sun Microsystems Sun Fire E25K User manual
Sun Fire™E25K/E20K/15K/12K Systems
A211 Power Supply Unit
This document contains the procedures for upgrading the power modules and power supply units on the
following Sun Fire™ system cabinets:
■E20K-BASE
■E25K-BASE
■E20K-BASE-2
■E25K-BASE-2
■E20K-BASE-2-Z
■E25K-BASE-2-Z
■All F12K cabinets
■All F15K cabinets
The systems have two power modules, each holding three hot-swappable power supplies. One module is on
the front of the system and the other module is on the rear. Both must be replaced to accommodate the A211
power supply units. The A211 power supplies and power module are keyed to prevent intermixing with older
power supplies and power modules.
Caution – The A211 power supplies require System Management Software (SMS) 1.6 with patches
124319-02 (or higher) and 123300-05 (or higher) or subsequent compatible versions.
For the latest patch information go to http://sunsolve.sun.com. Installation information and
README files are included in the patch download.
For your protection, observe the following safety precautions:
■Follow all cautions and instructions marked on the equipment.
■Always use proper ESD equipment and procedures when handling boards and components.
■Never push objects of any kind through openings in the equipment. They might touch dangerous voltage
points or short out components that can result in fire or electric shock.
■Refer servicing of equipment to qualified personnel.
Powering Off for Power Module Removal
Caution – The power module is NOT a hot-swappable component. This procedure requires a
complete shutdown of the domains and system controllers, and disconnection of all AC power to
the system.
1. As a superuser on the domains, systematically shut down all running domains by typing:
where seconds is the amount of time before shutdown.
2. On the main System Control board (SC), power off the domain hardware by typing:
This command powers off the entire system with the exception of the power supplies, fans, and the SCs.
Refer to poweroff(1M) for more information.
3. Shut down the System Control boards:
a. As a superuser on the spare SC, shut down the spare SC by typing:
where seconds is the amount of time before shutdown.
b. On the main SC, power off the spare SC by typing:
where xis 0 or 1, dependent upon which SC is the spare.
domain_name# shutdown -y -g seconds -i 0
sc% poweroff
sc_spare# shutdown -y -g seconds -i 0
sc% poweroff SCx
c. As a superuser on the main SC, shutdown the main SC by typing:
where seconds is the amount of time before shutdown.
4. Open the cabinet doors.
5. Power off the AC0 and AC1 circuit breakers for all power supplies in the system.
6. Label and disconnect the AC power cords (12 cords possible, six per side) with the labels provided in
the shipping kit.
Removing a Power Module
Caution – Be sure you are properly grounded before you begin the hardware upgrade. There are
ground points at the top left and top right of the cabinet in both front and rear.
1. Route I/O cables away from the power module, ensuring not to disconnect any cables.
2. Remove the power supplies from the power module.
3. Remove the eighteen (18) M4x35 panhead screws from the top, sides, and bottom of the air plenum
cover.
4. Remove the four (4) M4x8 panhead screws from the side and bottom of the air plenum cover.
Caution – Handle the EMI honeycomb panel carefully to prevent damage to the screen.
sc# shutdown -y -g seconds -i 0
M4x35 panhead
screws (18)
M4x8 panhead
screws (4)
Air plenum cover
5. Remove the air plenum cover, air-inlet EMI honeycomb panel, and air filter from the system and place
them on a flat sturdy surface.
6. Loosen the jackscrews on the seven (7) 8W8 Combo-D 8-pin DC power connectors (on the left side) and
the two (2) DB-25 control connectors (on the right side).
7. Disconnect the cables from the mounting bulkhead of the power chassis.
8. Remove the four (4) M4x10 panhead screws attaching the power module front flanges to the system
chassis.
Caution – The power module weighs 48 lb. (21.82 kg). Although the unit can be lifted by one
person, it is suggested that two people, one on each side, maneuver the power module into position.
Use proper heavy-lifting procedures when removing this unit.
9. With one person on each side of the power module, grasp the front (at the power supply opening) and
the bottom and slide the power module outward from the cabinet.
10. Place the power module on a flat sturdy surface.
11. Disconnect the cables, and set them aside.
The cables will be attached to the new power module.
12. Repeat Step 1 through Step 11 for the power module on the rear of the system.
DC circuit breakers (16)
Power module
AC circuit breakers
(2 per power supply)
Power supplies
(removed prior to power module replacement)
8W8 Combo-D 8-pin
power connectors (7)
M4x10 panhead module-to-system
mounting screws (4)
M4x8 panhead screws (4)
DB-25 control
connectors (2)
to connector bulkhead
to connector bulkhead
Installing a Power Module
1. Secure the power module end of the seven (7) 8W8 Combo-D 8-pin DC power connectors and two (2)
DB-25 control connectors to the new power module.
The cables were disconnected from the previous power module during removal.
Note – The power module weighs 48 lb. (21.82 kg). Although the unit can be lifted by one person, it is
suggested that two people, one on each side, maneuver the power module into position. Use proper heavy-
lifting procedures when installing this unit.
2. With one person on each side of the power module, grasp the front (at the power supply opening) and
the bottom and slide the power module into the system chassis.
3. Secure the power module to the system chassis with the four (4) M4x10 panhead module-to-system
mounting screws.
4. Secure the system end of the seven (7) 8W8 Combo-D 8-pin DC power connectors (on the left side) and
the two (2) DB-25 control connectors (on the right side) to the mounting bulkhead of the power chassis,
and hand tighten the jackscrews.
Caution – Handle the EMI honeycomb panel carefully to prevent damage to the screen.
5. Install the air plenum cover and its air-inlet EMI honeycomb panel and air filter.
6. Secure the air plenum cover with eighteen (18) M4x35 panhead screws at the top, sides, and bottom, and
four (4) M4x8 panhead screws at the side and bottom.
7. Install the A211 power supplies.
8. Ensure that all DC circuit breakers are in the on position.
9. Ensure that all AC circuit breakers are in the off position.
10. Restore the I/O cables to their original location.
11. Repeat Step 1 through Step 10 for the power module on the rear of the system.
Powering On After Power Module Upgrade
1. Connect the AC power cords to the A211 power supplies.
2. Power on the AC0 and AC1 circuit breakers for all power supplies in the system.
3. Close the cabinet doors.
4. Once the main SC is booted, log in and start the domain(s) by typing:
where domain_id is the domain letter A-R. Execute one setkeyswitch command for each domain to be
started.
sc% setkeyswitch -d domain_id on
Part No. 820-0061-11, Rev. A (v2)
August 2007
Sun Microsystems, Inc.
www.sun.com
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Sun Welcomes Your Comments
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your comments by going to:
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Please include the title and part number of your document with your feedback:
Sun Fire E25K/E20K/15K/12K Systems A211 Power Supply Unit Upgrade, part number 820-0061-11
Copyright 2007 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms. Third-party software, including font technology, is copyrighted and licensed from Sun
suppliers. Portions may be derived from Berkeley BSD systems, licensed from U. of CA. Sun, Sun Microsystems, the Sun logo, Java, and Solaris are trademarks or registered
trademarks of Sun Microsystems, Inc. in the U.S. and in other countries. All SPARC trademarks are used under license and are trademarks or registered trademarks of SPARC
International, Inc. in the U.S. and in other countries. U.S. Government Rights—Commercial use. Government users are subject to the Sun Microsystems, Inc. standard license
agreement and applicable provisions of the FAR and its supplements.
Copyright 2007 Sun Microsystems, Inc. Tous droits réservés. Distribué par des licences qui en restreignent l’utilisation. Le logiciel détenu par des tiers, et qui comprend la
technologie relative aux polices de caractères, est protégé par un copyright et licencié par des fournisseurs de Sun. Des parties de ce produit pourront être dérivées des systèmes
Berkeley BSD licenciés par l’Université de Californie. Sun, Sun Microsystems, le logo Sun, Java, et Solaris sont des marques de fabrique ou des marques déposées de Sun
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