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Replacing Cisco 7201 Field-Replaceable Units
This chapter provides information on removing and replacing field-replaceable units. The following
information is in this chapter:
Removing and Installing an SFP Module, page 4-2
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Removing and Installing a USB Flash Memory Module or USB eToken Pro Key, page 4-4
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Removing and Installing a DC Power Supply, page 4-10
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Removing and Installing a DIMM, page 4-15
Only trained and qualified personnel should be allowed to install, replace, or service this equipment.
Warning
Statement 1030
Before working on a chassis or working near power supplies, unplug the power cord on AC units;
Warning
disconnect the power at the circuit breaker on DC units. Statement 12
During these procedures, wear grounding wrist straps to avoid ESD damage to the card. Do not
Warning
directly touch the backplane with your hand or any metal tool, or you could shock yourself.
Statement 94
Warning
Before opening the chassis, disconnect the telephone-network cables to avoid contact with
telephone-network voltages. Statement 2
Warning
Do not work on the system or disconnect cables during periods of lightning activity. Statement 1001
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C H A P T E R
Cisco 7201 Installation and Configuration Guide
4-1
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