Cisco Systems 12012 manual Opening the Air Filter Tray

Page 17

Removing and Replacing a Card Cage Assembly

Step 2 To gain access to the lower card cage, loosen the two captive screws at the top of the air ﬁlter tray and pivot the tray down, away from the lower card cage. (Refer to Figure 9.)

Figure 9 Opening the Air Filter Tray

GIGABIT ROUTE PROCESSOR

Q OC-3/STM-POS

OC-12/STM-4 ATM

OC-12/STM-4 POS

Air deflector

Honeycomb

screen

Captive	Air filter
screw	tray

Air filter

ENABLEDFAIL
	0
	1	CSC
	0
	1
ALARM	2	SFC
ALARM
		H10472
Captive
screw

Caution To prevent damage, do not place any tools on the air ﬁlter tray or in the lower card cage. Damaging the honeycomb screen on the air ﬁlter tray or in the lower card cage could restrict the air ﬂow causing an overtemperature condition in the Cisco 12012.

Cisco 12012 Gigabit Switch Router Card Cage Assembly Replacement Instructions 17

Image 17

Contents Product Number GSR12-CARDCAGE= Product OverviewCisco 12012-Front View Safety Warnings Safety GuidelinesSafety with Equipment Safety with Electricity Preventing Electrostatic Discharge Damage Tools and Parts RequiredRemoving a Power Supply Removing and Replacing a Card Cage AssemblyPowering Down the Cisco Disconnecting an AC-Input Power Supply Removing an AC-Input Power SupplyRemoving an AC-Input Power Supply Removing a DC-Input Power Supply Removing a DC-Input Power Supply Removing a Line Card From the Upper Card Cage Removing the Cards From the Upper Card CageRemoving the Interface Cables From a Line Card Removing a Line Card From the Upper Card Cage Removing a RP From the Upper Card CageRemoving a RP From the Upper Card Cage Removing an Alarm Card From the Upper Card CageRemoving the Cards From the Lower Card Cage Removing an Alarm CardOpening the Air Filter Tray Lower Card Cage Air Deﬂector Removing Cards From the Lower Card Cage System Grounding Receptacles Removing the System GroundingRemoving a System Grounding Cable Removing the Card Cage AssemblyRemoving the Card Cage Assembly From the Frame Replacing the Cards in the Lower Card Cage Installing a New Card Cage AssemblyReplacing a Line Card in the Upper Card Cage Replacing the Cards in the Upper Card CageRemoving and Replacing a Card Cage Assembly Attaching an Interface Cable to a Line Card Replacing the RP in the Upper Card Cage Replacing the Alarm Card in the Upper Card CageReplacing an AC-Input Power Supply Installing the System GroundingReplacing the Power Supplies Replacing a DC-Input Power Supply Installing a DC-Input Power Supply Checking the Installation FCC Class a Compliance Cisco Connection Online Cisco Connection Online