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Doc. No. 78-4343-02
Cisco 12012 Gigabit Switch Router Switch Fabric
Cards Replacement Instructions
Product Numbers: GSR12-CSC=, GSR12-SFC=
Document Order Number: DOC-784343=
This document covers the installation and replacement of clock and scheduler cards and switch fabric
cards in the Cisco 12012 Gigabit Switch Router (GSR). The Cisco 12012 is a member of the
Cisco 12000 series of Internet routing products. The Cisco 12012 is aimed at scaling the Internet and
enterprise backbones to speeds of
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ALARM 1 ALARM 2 ALARM OC-12/STM-4 POS OC-12/STM-4 ATM Q OC-3/STM-POS ROUTE PROCESSOR 0 ACTIVE CARRIER RX CELL 0 ACTIVE CARRIER RX CELL CRITICAL MAJOR MINOR ACO/LT FAIL ENABLED 0 CSC 1 0 SFC 1 2 0 ACTIVE CARRIER RX PKT EJECT SLOT-1 1 SLOT-0 ACTIVE RESET CARRIER RX PKT 2 ACTIVE CARRIER RX PKT 3 ACTIVE CARRIER RX PKT COLL RX LINK TX RJ-45 MII AUX CONSOLE INPUT 200 -240V : INPUT 200 -240V : INPUT 200 -240V : INPUT 200 -240V : 10 A 50/60 HZ 10 A 50/60 HZ 10 A 50/60 HZ 10 A 50/60 HZ 2000 W 2000 W 2000
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Product Overview Clock and Scheduler Card The Cisco 12012 requires that one clock and scheduler card be installed in the lower card cage. You can add one additional clock and scheduler card for redundancy and to increase the amount of data able to be transferred between line cards. The clock and scheduler card contains the following functionality: • System clock—Sent to all line cards, RP, and switch fabric cards. The system clock synchronizes data transfers between line cards or line cards and
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Safety Guidelines Lower Card Cage Status LEDs There are no status LEDs on the clock and scheduler card or switch fabric card, and the lower card cage slots are hidden behind the air filter. Status for the lower card cage slots is displayed on five pairs of LEDs located on the alarm card (installed in the rightmost slot in the upper card cage). Each pair of LEDs displays the status of one slot in the lower card cage (refer to Figure 2) as follows: • Enabled—When this green LED is on, the card insta
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Safety Guidelines Safety with Electricity The line cards, route processor (RP), switch fabric cards, alarm card, blower modules, and redundant power supplies are designed to be removed and replaced while the system is operating without presenting an electrical hazard or damage to the system. Follow these basic guidelines when working with any electrical equipment: • Before beginning any procedures requiring access to the interior of the Cisco 12012, locate the emergency power-off switch for the
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Tools and Parts Required Preventing Electrostatic Discharge Damage Electrostatic discharge (ESD) damage, which can occur when electronic boards or components are handled improperly, can result in intermittent or complete failures. Following are guidelines for preventing ESD damage: • Always use an ESD-preventive wrist strap or ankle strap and ensure that it makes good skin contact. • When removing or installing a component, connect the equipment end of a ground strap to one of the two ESD connec
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Removing and Replacing a Card in the Lower Card Cage Removing and Replacing a Card in the Lower Card Cage The Cisco 12012 supports up to five cards in the lower card cage; two clock and scheduler cards and three switch fabric cards. The lower card cage is located directly behind the air filter tray and an air deflector. To access the lower card cage, you must first lower the air filter tray and raise and secure the air deflector. The Cisco 12012 supports online insertion and removal of a switch fabric
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ALARM OC-12/STM-4 POS OC-12/STM-4 ATM Q OC-3/STM-POS GIGABIT ROUTE PROCESSOR FAIL ENABLED CSC 0 1 SFC 0 1 2 Removing and Replacing a Card in the Lower Card Cage Step 3 To gain access to the lower card cage, loosen the two captive screws on the front of the air filter tray and pivot the tray down, away from the lower card cage. (Refer to Figure 3.) Figure 3 Opening the Air Filter Tray Air deflector Honeycomb screen Captive Air filter screw tray Air filter Captive screw Caution To prevent damage, d
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ALARM OC-12/STM-4 POS OC-12/STM-4 ATM Q OC-3/STM-POS GIGABIT ROUTE PROCESSOR FAIL ENABLED CSC 0 1 SFC 0 1 2 Removing and Replacing a Card in the Lower Card Cage Step 4 To access the cards in the lower card cage, you must first move the air deflector up, out of the way. Pivot the air deflector up and secure it to the top of the lower card cage by turning the air deflector latch knob counterclockwise. (Refer to Figure 4.) Figure 4 Securing the Air Deflector in the Lower Card Cage Air deflector Air defl
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ALARM OC-12/STM-4 POS OC-12/STM-4 ATM Q OC-3/STM-POS GIGABIT ROUTE PROCESSOR FAIL ENABLED CSC 0 1 SFC 0 1 2 Removing and Replacing a Card in the Lower Card Cage Step 5 On the card you intend to remove, grasp the card ejector levers and simultaneously pivot both ejector levers ninety degrees inward (away from the sides of the card cage) to unseat the card from the backplane connector. (Refer to Figure 5.) Figure 5 Removing a Switch Fabric Card From the Lower Card Cage Card ejector lever Card ejec
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Removing and Replacing a Card in the Lower Card Cage Note When you install a clock and scheduler card or a switch fabric card in the lower card cage make sure that you keep the card centered in the slot by applying even pressure to both sides of the card carrier as you slide it into the slot. Step 4 Pivot the two card ejector levers out ninety degrees away from the sides of the card carrier. Step 5 Continue sliding the card into the slot until the card ejector levers engage the edges of the lowe
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Checking the Installation Checking the Installation Complete the following steps to verify that the new clock and scheduler card or switch fabric card is working properly: Step 1 Check the following components to make sure that they are secure: • The cards in the lower card cage are fully seated in their slots and the card ejector levers are retracted and latched in the card carriers. • The air deflector in the lower card cage is down, resting on its stops. • The air filter tray is up, flush with t
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Cisco Connection Online Cisco Connection Online Cisco Connection Online (CCO) is Cisco Systems’ primary, real-time support channel. Maintenance customers and partners can self-register on CCO to obtain additional information and services. Available 24 hours a day, 7 days a week, CCO provides a wealth of standard and value-added services to Cisco’s customers and business partners. CCO services include product information, product documentation, software updates, release notes, technical tips, the
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Cisco Connection Online 14 Cisco 12012 Gigabit Switch Router Switch Fabric Cards Replacement Instructions
