Chapter 3 Removing And Installing The Clock Card; Installation Overview - Cisco UBR7246VXR Installation Manual

Universal broadband router

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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:

•

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.

OL-26705-01

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

C H A P T E R

3-1

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