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Network Processing Engine and Network Services Engine Installation and Configuration
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Chapter 9 Removing and Installing the NPE or NSE
Removing and Replacing the NPE or NSE
Figure 9-2 Disconnecting Power from a Cisco uBR7200 Series AC-Input Power
Supply—Cisco uBR7246 Shown
Step 4 Repeat Step 1 through Step 3 if a second power supply is installed.
This completes the procedure for disconnecting AC-input power from a Cisco uBR7200 series router.
Go to the
“Removing the NPE or NSE” section on page 9-9.
Disconnecting DC-Input Power from a Cisco 7200 Series Router or Cisco 7200 VXR Router
To disconnect DC-input power from a Cisco 7200 series router or Cisco 7200 VXR router, complete the
following steps.
Warning
Before completing any of the following procedures, and to prevent short-circuit or shock hazards,
ensure that power is removed from the DC circuit. To ensure that all power is OFF, 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.
Statement 322
Warning
When you install the unit, the ground connection must always be made first and disconnected last.
Statement 42
Step 1 At the rear of the router, check that the power switch on the power supply is in the off (O) position.
Step 2 Ensure that no current is running through the –V and +V leads. To ensure that all power is off, 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.
1 AC-input receptacle 4 Network processing engine
2 Power switch 5 AC-input power supply
3 Handle
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