Cisco Systems CISCO7201 Manual De Usuario
4-15
Cisco 7201 Installation and Configuration Guide
OL-11364-04
Chapter 4 Replacing Cisco 7201 Field-Replaceable Units
Removing and Installing a DIMM
Step 4
Use a tie wrap to secure the wires to the rack, so that the wires are not pulled from the terminal block
plug by casual contact. Make sure the tie wrap allows for some slack in the ground wire.
plug by casual contact. Make sure the tie wrap allows for some slack in the ground wire.
Step 5
Insert the terminal block plug in the terminal block header on the DC power supply panel, as shown
in
in
.
Step 6
Repeat Step 1 through Step 4 if you are replacing a second DC power supply.
Step 7
Remove the tape from the circuit-breaker switch handle, and move the circuit-breaker switch handle to
the on position.
the on position.
Step 8
On the front of the router, place the power switch in the on (O) position to turn on the router.
Note
After powering off the router, wait a minimum of 30 seconds before powering it on again.
You are finished installing the DC power supply.
Removing and Installing a DIMM
To remove and replace a SDRAM DIMM, use the information in this section. SDRAM specifications are
in
in
Powering Off the Router and Removing the Cover
This section provides information for powering off the router and removing the cover.
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.
directly touch the backplane with your hand or any metal tool, or you could shock yourself.
Statement 94
Warning
This unit might have more than one power supply connection. All connections must be removed to
de-energize the unit. Statement 1028
de-energize the unit. Statement 1028
Step 1
Attach an ESD-preventative wrist or ankle strap, connecting the equipment end of the strap to an
unfinished chassis surface.
unfinished chassis surface.
Step 2
Power off the router by turning the power switch to the standby (|) position.
Note
After powering off the router, wait a minimum of 30 seconds before powering it on again.
Step 3
Remove any power and input/output cables from the Cisco 7201 router. For AC power supplies, unplug
the AC power cord from the power outlet. For DC power supplies, 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, tape the switch handle of the circuit breaker in the off position, and remove the DC connector.
the AC power cord from the power outlet. For DC power supplies, 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, tape the switch handle of the circuit breaker in the off position, and remove the DC connector.
Step 4
Remove the ground cable.