C H A P T E; Maintaining The Interface Cards In The Cisco Cbr Chassis; Maintaining The Docsis Mac/Phy Interface And Pic Card; Removingthedocsismac/Phyinterfacelinecardfromtheciscocbrchassis - Cisco cBR Series Hardware Installation Manual

Maintaining the Interface Cards in the Cisco cBR
Chassis
•
•

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
• 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
Required Tools and Equipments
• ESD-preventive wrist strap
• 3/16" flat-blade torque screwdriver
• Antistatic bag
Maintaining the DOCSIS MAC/PHY Interface and PIC Card, on page 215
Maintaining the DOCSIS MAC Interface and PIC Card, on page 223
connected to the chassis.
replacement in the chassis:
• replacement DOCSIS MAC/PHY interface line card
• line card blank
Caution 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.
C H A P T E R
Cisco Converged Broadband Routers Hardware Installation Guide
18
215