Disconnecting Dc-Input Power From A Cisco 7200 Series Router Or Cisco 7200 Vxr Router - Cisco NPE-175 Installation And Configuration Manual

Chapter 9 Removing and Installing the NPE or NSE
Figure 9-2
1
2
3
Repeat Step 1 through Step 3 if a second power supply is installed.
Step 4
This completes the procedure for disconnecting AC-input power from a Cisco uBR7200 series router.
Go to the

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.
Before completing any of the following procedures, and to prevent short-circuit or shock hazards,
Warning
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.
Ensure that no current is running through the –V and +V leads. To ensure that all power is off, locate the
Step 2
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.
OL-4448-12
Disconnecting Power from a Cisco uBR7200 Series AC-Input Power
Supply—Cisco uBR7246 Shown
1 2
AC-input receptacle
Power switch
Handle
"Removing the NPE or NSE" section on page
Network Processing Engine and Network Services Engine Installation and Configuration
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4
Network processing engine
5
AC-input power supply
9-9.
Removing and Replacing the NPE or NSE
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