Cisco cBR Series Hardware Installation Guide

CHAPTER 18
Maintaining the Interface Cards in the Cisco cBR
Chassis
• Maintaining the DOCSIS MAC/PHY Interface and PIC Card, on page 215
• Maintaining the DOCSIS MAC Interface and PIC Card, on page 223
Maintaining the DOCSIS MAC/PHY Interface and PIC Card
RemovingtheDOCSISMAC/PHYInterfaceLineCardfromtheCiscocBRChassis
It is not necessary to power down the chassis to remove an DOCSIS MAC/PHY interface line card.
Before you begin
• Attach an ESD-preventive wrist strap to your wrist and connect the other end to the grounding lug
connected to the chassis.
• Be aware of the weight and size of the equipment. Handle it with care.
• Before removing an interface line card, ensure that one of the following cards is available for immediate
replacement in the chassis:
• replacement DOCSIS MAC/PHY interface line card
• line card blank
After removing a line card or a line card blank from an operational chassis, install
the replacement line card or line card blank in the chassis within three minutes
to avoid critical thermal alarms relating to overheating of individual components.
Caution
Required Tools and Equipments
• ESD-preventive wrist strap
• 3/16" flat-blade torque screwdriver
• Antistatic bag
Cisco Converged Broadband Routers Hardware Installation Guide
215

Cisco cBR Series Specifications

General

Brand	Cisco
Model	cBR Series
Category	Network Router
Language	English