42
7 After Installation
Follow the instructions in this section to replace field-replaceable units (FRUs) after installation. Use the installation and
removal information in this section to power off the router, remove the cover, replace the FRU, replace the cover, and power on
the router. The following topics are covered in this section:
• Power Off the Cisco 7201 Router, page 42
• Replace the CompactFlash Disk, page 43
• Replace the USB Flash Memory Module, page 44
• Remove and Replace an SFP Module, page 44
• Remove and Replace a Power Supply, page 46
• Replace the Port Adapter or Service Adapter, page 53
• Replace the DIMM, page 54
Warning
Only trained and qualified personnel should be allowed to install, replace, or service this equipment.
Statement 1030
Warning
Before working on a chassis or working near power supplies, unplug the power cord on AC units; disconnect the
power at the circuit breaker on DC units.
Statement 12
Warning
During these procedures, wear grounding wrist straps to avoid ESD damage to the card. Do not 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
Power Off the Cisco 7201 Router
Step 1 Place the chassis power switch in the standby (|) position.
Step 2 Remove any power cables from the Cisco 7201 router.
a. For AC power supplies, unplug the AC power cord from the power outlet.
b. For DC power supplies, locate the circuit breaker on the panel board that services the DC circuit, switch the circuit
breaker to the off position, and tape the switch handle of the circuit breaker in the off position. Then remove the terminal
block plug from the DC power supply.
Note After powering off the router, wait a minimum of 30 seconds before powering it on again.
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