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Slowly slide the new power supply into its bay until the connectors on the power supply are fully engaged with the connectors on the power distribution board. See the following figure. 8. Tighten the two captive screws that secure the power supply to the chassis. 9. Connect the AC power cord to the power supply. Insert the power cord through the strain-relief tie-wrap loop, located to the right of the supply. Tighten the tie-wrap to secure the connection. Note: You can also replace a power supply when the system is at the boot level (that is, the ok prompt is displayed). If a power supply is replaced at the boot level, you must reboot the system using the reset-all command. Issue 2.0 June 2004 149 Maintenance 150 Avaya CMS Sun Fire V880 Computer Hardware Installation, Maintenance, and Troubleshooting Troubleshooting This section includes the following topics: . Using the remote console on page 152 . Using the RSC on page 159 . Tools on page 161 -Using the prtdiag command on page 162 -Using the cfgadm command on page 165 -System messages on page 166 -OpenBoot PROM firmware tests on page 167 -OpenBoot diagnostic tests on page 172 -POST diagnostic messages on page 175 -OpenBoot initialization commands on page 176 -Diagnosing LED patterns on page 177 -Sun Validation Test Suite (VTS) on page 185 . Troubleshooting disk drives and DVD-ROM drives on page 186 . Troubleshooting tape drives on page 189 . Recovery procedures on page 192 Additional troubleshooting -See the Sun Fire 880 Service Manual at the Sun documentation Web site for additional troubleshooting procedures: Issue 2.0 June 2004 151 Troubleshooting Using the remote console If your system does not boot, or if the system cannot be diagnosed locally, remote support personnel might want to redirect control of the console port from the local console to a dialed-in remote console. Redirecting the console allows support personnel to do maintenance remotely as if they were at the local console. You can redirect the console using either: . The Solaris operating system . OpenBoot diagnostics This section consists of the following procedures: . Redirecting the console using Solaris on page 152. Use this procedure when the system will boot up to the Solaris operating system. . Redirecting the console using OpenBoot mode on page 155. Use this procedure when the system will not boot up to the Solaris operating system. Redirecting the console using Solaris The following procedure describes how to use the Solaris operating system to redirect the local console to the serial port and is usually done from the remote console that has dialed in to the system. Should you encounter any problems setting up the remote console, see Remote console port problems on page 200 for troubleshooting procedures. ! CAUTION: Use the following procedure only when absolutely necessary. If the console redirects and the modem line drops, you may not be able to get back into the system. Redirecting the local console to the remote console To redirect control of the console port from the local console to a dialed-in remote console: 1. Dial in from the remote console to the remote console modem, and log in as root. 2. At the remote console, enter: /cms/install/bin/abcadm -r ttya The following message is displayed at the remote console: ttya is currently set to be incoming Are you sure you want to change it? [y,n,?] 152 Avaya CMS Sun Fire V880 Computer Hardware Installation, Maintenance, and Troubleshooting Using the remote console 3. At the remote console, enter: y The following message is displayed at the remote console: ttya administration removed 4. At the remote console, enter: /cms/install/bin/abcadm -c -b 9600 ttya The following message is displayed at the remote console: This change requires a reboot to take affect Are you ready to reboot? [y,n,?] 5. At the remote console, enter: y The following message is displayed at the remote console: done desktop auto-start disabled Proceeding to reboot. The following occurs: . The system begins to shut down. . Shutdown, reset, and reboot messages are displayed on the local console. . When the system starts to come back up, the local console goes blank. . The system boot diagnostics are displayed on the remote console. . After the system reboots, a console login: prompt is displayed on the remote console. 6. Log in to the remote console as root. Issue 2.0 June 2004 153 Troubleshooting Redirecting the remote console back to the local console ! CAUTION: Do not enter Ctrl+D from the remote console to exit the system without first redirecting control back to the local console. If you do, you may lock yourself from using the console locally or remotely. To redirect control of the console port from the remote console back to the local console: 1. At the remote console, enter: /cms/install/bin/abcadm -c local The following message is displayed at the remote console: Console set to local This change requires a reboot to take affect Are you ...