Cisco SGE2000 Configuration Guide - Page 126

Problem Solving Using a Subsystems Approach, Identifying Startup Problems

Page 126 highlights

Troubleshooting Overview Chapter 8 Troubleshooting Table 8-3 LED Label IN Power Supply LEDs Color Green OK Green Power A/B (front panel) Green Red State On Off On Off Steady Steady Off Function The input voltage is in the required range. The input voltage is not in the required range. The output voltage is in the required range (between 11.9 and 12.1 VDC). The output voltage is not within the required range (is greater than 12.1 VDC or less than 11.9 VDC). Corresponding power supply unit is present and functioning normally. Corresponding power supply unit present, but malfunctioning. Corresponding power supply unit is either not present or has failed. Problem Solving Using a Subsystems Approach • Identifying Startup Problems • Troubleshooting the Power Subsystem • Troubleshooting the Firmware Package Installation • Troubleshooting the Management Subsystem • Troubleshooting the Link Interface Subsystem Identifying Startup Problems Startup problems are commonly due to the source power or to a poor cable connection. When you start up the SCE 2000 platform for the first time, you should observe the startup sequence described in the "Basic SCE 2000 Platform Operations" section on page 1. This section contains a more detailed description of the normal startup sequence and describes the steps to take if the system does not perform that sequence as expected. LEDs indicate all system states in the startup sequence. By checking the state of the LEDs, you can determine when and where the system failed in the startup sequence. Use the following descriptions to isolate the problem to a subsystem, and then proceed to the appropriate sections to try to resolve the problem. When you start up the system by turning on the power supply switch, the following should occur: Cisco SCE 2000 4xGBE Installation and Configuration Guide 8-6 OL-7824-06

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8-6
Cisco SCE 2000 4xGBE Installation and Configuration Guide
OL-7824-06
Chapter 8
Troubleshooting
Troubleshooting Overview
Problem Solving Using a Subsystems Approach
Identifying Startup Problems
Troubleshooting the Power Subsystem
Troubleshooting the Firmware Package Installation
Troubleshooting the Management Subsystem
Troubleshooting the Link Interface Subsystem
Identifying Startup Problems
Startup problems are commonly due to the source power or to a poor cable connection.
When you start up the
SCE 2000
platform for the first time, you should observe the startup sequence
described in the
“Basic SCE 2000 Platform Operations” section on page 1
. This section contains a more
detailed description of the normal startup sequence and describes the steps to take if the system does not
perform that sequence as expected. LEDs indicate all system states in the startup sequence. By checking
the state of the LEDs, you can determine when and where the system failed in the startup sequence. Use
the following descriptions to isolate the problem to a subsystem, and then proceed to the appropriate
sections to try to resolve the problem.
When you start up the system by turning on the power supply switch, the following should occur:
Table 8-3
Power Supply LEDs
LED Label
Color
State
Function
IN
Green
On
The input voltage is in
the required range.
Off
The input voltage is not
in the required range.
OK
Green
On
The output voltage is in
the required range
(between 11.9 and 12.1
VDC).
Off
The output voltage is
not within the required
range (is greater than
12.1 VDC or less than
11.9 VDC).
Power A/B (front panel)
Green
Steady
Corresponding power
supply unit is present
and functioning
normally.
Red
Steady
Corresponding power
supply unit present, but
malfunctioning.
Off
Corresponding power
supply unit is either not
present or has failed.