Cisco cBR Series - Installing the Downstream PHY Module in the Interface Line Card

Installing the Downstream PHY Module in the Interface Line
Card
The Downstream PHY module is installed as a replacement or an upgrade from downstream D3.0 module to
a downstream D3.1 module.
Do not touch the cLGA connector.
Caution
Before you begin
Prerequisites
• 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.
Restrictions
• Ensure that the guide holes at the rear of the Downstream PHY module are aligned properly. If the
Downstream PHY module alignment is reversed, the cLGA connector guide pins will damage the
connecting surface of the Downstream PHY module.
Required Tools and Equipment
• ESD-preventive wrist strap
• T10 Torx-blade torque driver
• Downstream PHY module (Refer to the FRU list and the ordering information for the correct module.)
Step 1 Grasp the Downstream PHY module by its sides.
Cisco Converged Broadband Routers Hardware Installation Guide
231
Maintaining the PHY Modules in the Cisco cBR Chassis
Installing the Downstream PHY Module in the Interface Line Card