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Route Switch Processor (RSP8) Installation and Configuration Guide
OL-4920-02
Troubleshooting the Installation
Verifying System Startup Sequence
By checking the state of the LEDs, you can determine when and where the system failed in the startup
sequence. Because you turn on the system power with the on/off switches on each power supply, it is
easiest to observethe startup behavior from the rear of the router. Use the following descriptions of the
normal startup sequence to isolate the problem, and then use the troubleshooting procedures wherever
the system fails to operate as expected. If you are able to isolate the problem to a faulty hardware
component, or if you are unable to successfully restart the system, see the “Obtaining Technical
Assistance” section on page 89 for instructions on contacting a service representative.
Note The time required forthe system to initialize (boot) might vary with different router configurations and
theamount of memory that must be initialized. During the system startup sequence, the time required to
initialize the memory (not necessarily the entire boot sequence) in a system that contains 256 MB of
DRAM might be longer than in a system that contains less DRAM.
During the boot sequence, the system banner display pauses while it initializes the memory. Because
yourRSP8 has more than 32 MB of DRAM, you might notice an increase in the amount of time required
to initialize the memory.The pause in the banner display occurs after the copyright line and before the
system displays the list of installed hardware, as shown in the following display:
%SYS-5-RELOAD: Reload requested
System Bootstrap, Version 11.1
Copyright (c) 1986-1999 by cisco Systems, Inc.
[System initializes memory at this point in the display]
Note Theprocedures in this section are based on the assumption that your system was operating correctly until
youremoved (or replaced) the RSP8. If the following sequence uncovers a new problem with the power
subsystem or one of the interface processors, refer to the Cisco 7500 Series Installation and
Configuration Guidefor system startup troubleshooting procedures.
Use the following startup sequences and troubleshooting procedures to isolate system problems:
Step1 When you restart the system, the system power and AC (DC) OK LEDs should go on.
•If the system powerLED remains off, the RSP8 is probably not fully inserted and connected to the
backplane. Loosen the captive installation screws on the RSP8, and then use the ejector levers to
release the RSP8 and reseat it in the backplane. (For a description and illustration of the ejector
levers,see the “Removing the RSP8” section on page 16.) Tighten both captive installation screws.
Ifthe system power LED still fails to go on as expected, a power supply or input power failure could
be the problem. Before contacting a service representative, refer to theCisco 7500 Series
Installation and Configuration Guidefor power subsystem troubleshooting procedures.
•If the system power LED goes on, the power source is good, and the power supply is functional.
When the system power LED indicates normal operation, proceed to the next step.
Step2 Listen for the system blower and observe the fan OK LED. You should hear the system blower start
operating immediately after you turn on the system power. If you determine that the power supply is
functioning normally and that an internal fan (or the system blower) is faulty, contact a service
representative. If the blower or a power supply fan does not function properly at initial startup, you
cannot make any installation adjustments.