To ensure adequate space for additional MLCs always tighten the captive installation screws on each newly
installed MLC before you insert any additional MLCs. These screws also prevent accidental removal and
provide proper grounding and EMI shielding for the router.
Caution
7. Install the MPAs and SFP modules in the MPAs that use them. See Installing and Removing Modular
Port Adapters, on page 84.
8. If you are replacing a MLC, install the MPA in the same bays as you noted in Step 2 under Removing a
Line Card, on page 74.
9. Install the interface cables.
Installing and Removing Modular Port Adapters
The following sections describe how to install or remove MPA on the Cisco ASR 9000 Series Aggregation
Services Router.
Handling Modular Port Adapters
Each modular port adapter (MPA) circuit board is mounted to a metal carrier and is sensitive to electrostatic
discharge (ESD) damage.
Always handle the MPA by the carrier edges and handle; never touch the MPA components or connector pins
(See the figure below).
Caution
When a bay is not in use, a blank MPA Slot Filler (A9K-MPA-FILR) must fill the empty bay to allow the
router or switch to conform to electromagnetic interference (EMI) emissions requirements and to allow proper
airflow across the installed modules. If you plan to install a MPA in a bay that is not in use, you must first
remove the blank.
Cisco ASR 9000 Series Aggregation Services Router Ethernet Line Card Installation Guide
84
Installing and Removing Line Cards and Transceiver Modules
Installing and Removing Modular Port Adapters
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