Reinstalling The T640 Fpcs; Figure 65: Reinstalling A Power Supply - Juniper T640 Hardware Manual

T640 Core Router Hardware Guide

Reinstalling the T640 FPCs

112
CAUTION: "Removing the T640 Power Supplies" on page 97 shows the
two-input 160-A DC power supply, but the procedure also applies to the
three-input 240-A DC power supply or four-input 240-A DC power supply.

Figure 65: Reinstalling a Power Supply

To reinstall FPCs (see Figure 66 on page 113):
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
1.
the strap to an approved site ESD grounding point. See the instructions for your site.
Using the list you created when you removed the FPCs, locate the slot in the FPC card
2.
cage in which you plan to install the FPC.
Inspect the slots in the FPC card cage to verify that there are no missing or bent pins
3.
on the midplane.
Inspect each FPC to verify that the connectors are not misaligned or damaged.
4.
CAUTION: When the FPC is out of the chassis, do not hold it by the ejector
handles, bus bars, or edge connectors. They cannot support its weight.
Lift the FPC into place and carefully align first the bottom and top of the FPC with the
5.
guides inside the card cage. Be sure the FPC is right-side up, with the components on
the right of the FPC.
Gently rest the bottom edge of the FPC on the bottom edge of the slot opening, making
6.
contact a short distance forward of the power connector.
CAUTION: Take care not to bend or otherwise damage the power
connector prongs.
Copyright © 2010, Juniper Networks, Inc.