Cisco ASR 9000 Series Handbuch - Seite 10

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Removing and Replacing the Fan Trays

• For the Cisco ASR 9006 Router and Cisco ASR 9904 Router, tighten the thumb screw to secure the filter

• For the Cisco ASR 9922 Router (version 1 air filter) and Cisco ASR 9912 Router, tighten the thumb

Note

Caution

Removing and Replacing the Fan Trays

Prerequisites

• For the Cisco ASR 9010 Router remove the accessory grill before removing and replacing the fan trays.

• For the Cisco ASR 9906 Router, Cisco ASR 9922 Router and Cisco ASR 9912 Router, remove the fan

Required Tools and Equipment

• 6-inch long number 2 Phillips screwdriver (torque 10 in-lb)

Follow these steps to remove and replace the fan trays:

Caution

Never unplug all the fan trays at the same time.

Caution

Be sure that the fans have stopped running before removing the fan tray. The fans can take from 3 to 5 seconds

to completely stop running after disengaging the fan tray latch. Handling the fan tray before the fans have

stopped running could cause fingertip injury.

Replacing Cisco ASR 9000 Series Router Components

to the chassis.

screws that attach the inner frame to the air filter and re-attach the three air filters to the front of the

chassis. For the Cisco ASR 9922 Router (version 2 air filter) tighten the thumb screws that attach the

inner frame to the left and right air filters only. Attach the new center air filter, with arrows pointing

upwards, and re-attach both side filters to the front of the chassis.

For the version 2 air filter on the Cisco ASR 9922 Router, the center does not have thumb screws

because it does not have replaceable foam media.

Align and seat the door carefully to avoid damaging the EMI-preventive gaskets on the door. The

air filter door must be closed and secured at all times to maintain correct EMI performance.

tray cover before removing the fan trays for replacement.

Replacing Cisco ASR 9000 Series Router Components