Cisco UBR7246VXR Installationshandbuch - Seite 17
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Removing and Installing the Clock Card
This chapter describes how to remove the Cisco Cable Clock Card from a Cisco uBR7246 VXR and also
how to install a new or replacement clock card. This chapter contains the following sections:
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Installation Overview
Each clock card circuit board is mounted to a metal carrier and is sensitive to electrostatic
discharge (ESD) damage.
When the clock card slot is not in use, a blank clock card must fill the empty slot to allow the router or
Note
switch to conform to electromagnetic interference (EMI) emissions requirements and to allow proper
airflow across all of the universal broadband router's components. If you plan to install a new clock card
in a slot that is not in use, you must first remove the blank clock card.
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Installation Overview, page 3-1
Handling the Clock Card, page 3-2
Online Insertion and Removal, page 3-2
Warnings and Cautions, page 3-2
Clock Card Removal and Installation, page 3-3
Connecting a Clock Card Interface Cable, page 3-6
Cisco Cable Clock Card Hardware Installation Guide for the Cisco uBR7246VXR Universal Broadband Router
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C H A P T E R
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