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 .
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Cisco MDS 9500 Series Hardware Installation Guide
OL-17467-02
Chapter 2 Installing the Cisco MDS 9500 Series
Removing and Installing Clock Modules
Removing a Clock Module from the Cisco MDS 9513 Director
Clock modules are connected to the rear of the Cisco MDS 9513 Director and are not visible as they are
located on the inside of the cover panel.
Figure 2-40
shows the clock modules in a rear view of the Cisco
MDS 9513 Director with the back panel removed. Cisco recommends that the failed clock module be
replaced during a maintenance window.
Figure 2-40
Clock Module Location on the Cisco MDS 9513 Director (Rear View)
Caution
Always wear an ESD wrist strap when handling modules or coming into contact with internal
components.
To remove the clock module, follow these steps:
Step 1
Note which clock module you are removing. Use the
show environment clock
command to verify which
is active and standby.
Step 2
Use a Phillips screwdriver to remove the eight back panel screws from the rear of the Cisco MDS 9513
Director chassis.
1
Clock A (CLK A)
2
Clock B (CLK B)
144601
1
2
