1. SGI Confidential 5 - 1 Power Bay

2. SGI Confidential 5 - 2 Power Bay Front View AC OK LED DC OK LED Alarm LED Release Latch Power Bay 1 Power Bay 0 Power Bay Status LED Power Bay Ethernet Port Power Supply 1 Power Supply 2 Power Supply 3 Power Supply 4 The Power Bay supplies AC and DC to the major cabinet assemblies A Power bay will always have two Rectifiers installed in slots PS1 and PS3 When the 3rd shelf is connected to a Power Bay, PS2 and PS4 must be installed When the 5th shelf is added to a cabinet, a second Power Bay must be installed When the 7th shelf is added to a Power Bay, PS2 and PS4 must be installed

3. SGI Confidential 5 - 3 Power Bay Rear View Site Power Cord Drops (AC0 right side) (AC1 left side) Circuit Breaker CB1 Circuit Breaker CB0 48vdc connector (DC0 left side) (DC1 right side) Safety Ground Connector 4 ATS AC Outlets PBx-AT-1 left side PBx-AT-4 right side AC Outlets PBx-AC1-1 left PBx-AC1-2 right AC Outlets PBx-AC0-1 left PBx-AC0-2 right Power Bay Ethernet Port PBx-NIC

4. SGI Confidential 5 - 4 Power Bay Internal View (1 of 2) Personality Module: This module is not a FRU, but it could be. There are 3 types of modules based on customer power. Valere Power Inc. chassis is mounted in the front of the Copan chassis and interfaces the Copan wiring blocks. Copan chassis and internal wiring to interface the personality module.

5. SGI Confidential 5 - 5 Power Bay Internal View (2 of 2) Personality Module

6. SGI Confidential 5 - 6 Rectifier The rectifier is a hot pluggable FRU that converts site AC to AC and DC out. The power bay only needs one rectifier installed to provide power to the components connected to it. AC OK LED DC OK LED Alarm LED Release Latch

7. SGI Confidential 5 - 7 Valere Power Inc. Web Interface (1 of 5) Most info is passed to PSM GUI and that should be the primary tool to use Valere interface is not accessible by PSM You must connect a laptop directly to PB or an open port on the private network switch A crossed Enet cable may be required Set laptop to the same subnet of PB IP Point browser to http:// Browser will auto-connect to port 22096 Access with standard login/password Note: if the connection fails, your web browser or its version may not be supported. Try using an older version.

8. SGI Confidential 5 - 8 Valere Power Inc. Web Interface (2 of 5)

9. SGI Confidential 5 - 9 Valere Power Inc. Web Interface (3 of 5)

10. SGI Confidential 5 - 10 Valere Power Inc. Web Interface (4 of 5)

11. SGI Confidential 5 - 11 Valere Power Inc. Web Interface (5 of 5)

12. SGI Confidential 5 - 12 Valere Power Inc. CLI (1 of 4) The power bay support a low-level command line interface. To access it, you telnet to the power bay. Login is Admin and the password is 5001. The power bay supports only one telnet session. The CLI usage is as follows: usage: verb object token [data]... where: verb is get or set object is a category of tokens token is an attribute name to be printed or set data is the value used to set an object:token Use 'get help help' or ‘set help help’ to get a list of objects Use 'get help' to get a list of tokens To close a session type logout If you are unable to access the power bay, you may have to run the /usr/local/copan/bin/setps script to assign the IP address. This script also sets the login and password information.

13. SGI Confidential 5 - 13 Valere Power Inc. CLI (2 of 4)

14. SGI Confidential 5 - 14 Valere Power Inc. CLI (3 of 4)

15. SGI Confidential 5 - 15 Valere Power Inc. CLI (4 of 4)

16. SGI Confidential 5 - 16 Shelf Cabinet Power Bay DC Cabling 6 Shelf Cabinet 8 Shelf Cabinet

17. SGI Confidential 5 - 17 Module Review Questions This completes the Power Bay module. Answer the review questions before proceeding. 01. List the Power Bay FRU? 02. Which Power Bay FRUs are hot pluggable? 03. Why are rectifies installed in slots 1 and 3? 04. What is the path and name of the script that assign IPs, login account, and passwords ? 05. What is the PB default login and password ? 06. How may shelves does a Power Bay support? 07. What voltages does the Power Bay provide? 08. How can you determine what the IP of the Power Bay is? 09. Describe the ATS AC Outlet operation. 10. Describe the non-ATS outlet operation 11. Under what conditions are rectifiers installed in slots 2 and 4?

18. SGI Confidential 5 - 18 Lab Project Using applicable service documentation, you will be given 45 minutes to: Perform FRU replacement procedures Observe LEDs under normal conditions Access the Power Bay CLI and run various commands to determine state, status, temperature, voltages, etc…. Collect Power Bay information from the PSM GUI View the setps script Optionally, access the Valere web interface Examine the PB portion of the PSM GUI to see what information is provided

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