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Appendix B
Troubleshooting
S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m .
Verify that the LEDs on the interface module are on as follows:
Step 2
•
•
If any LEDs on the supervisor module or interface module front panel are red or orange, contact your
customer service representative (see the
For a complete description of the supervisor module and interface module LEDs, see the
Cisco MDS 9216 Switch Integrated Supervisor Module" section on page 1-4
Interface Module" section on page
Verify that the Status LEDs on the supervisor module and on the switching or services module are green
Step 3
after the supervisor module completes initialization. This LED indicates that the modules are receiving
power. It also indicates that the module is recognized by the supervisor module, and that it contains a
valid Flash code version. This LED does not indicate the state of the individual interfaces on the
switching module. If a Status LED is red or orange, contact your customer service representative (see
the
Verify that the terminal is set correctly and that it is connected properly to the supervisor module console
Step 4
port if the boot information and system banner are not displayed.
Troubleshooting the Power Supplies
To isolate a power supply problem, follow these steps:
Step 1
Verify that the Input Ok LED on the power supply is green.
a.
b.
c.
d.
e.
f.
g.
If the Input Ok LED still fails to light when the switch is connected to a different power source with a
new power cord, the power supply is probably faulty.
If a second power supply is available, install it in the second power supply bay and contact your customer
service representative for further instructions.
OL-6985-01
The Status LED flashes orange once and stays orange during diagnostic boot tests. It turns green
when the module is operational (online). If the system software cannot start up, this LED stays
orange.
The System LED turns green, indicating that all chassis environmental monitors are reporting that
the system is operational. If one (or more) environmental monitors reports a problem, the System
LED is orange or red.
"Contacting Customer Service" section on page
If the Input Ok LED is green, the AC source is good and the power supply is functional.
If the Input Ok LED is off, first ensure that the power supply is flush with the back of the chassis.
Press the power switch off (0), tighten the captive installation screw(s), and then press the power
switch on (|).
If the Input Ok LED remains off, there might be a problem with the AC source, or the power cable.
Turn off the power to the switch by pressing both power switches to 0, connect the power cord to
another power source if one is available, and press the power switch back on (|).
If the Input Ok LED is now green, the problem was the first power source.
If the Input Ok LED fails to light after you connect the power supply to a new power source, replace
the power cord and press the switch on (|).
If the Input Ok LED lights at this point, return the first power cord for replacement.
"Contacting Customer Service" section on page
1-6.
B-5).
Cisco MDS 9216 Switch Hardware Installation Guide
Troubleshooting the Power Supplies
B-5).
"LEDs on the
and the
"LEDs on the
B-3
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Table of Contents
Troubleshooting
