Replacing Chassis Components; Replacing A T640 Craft Interface; Removing A T640 Craft Interface - Juniper T640 Hardware Manual

CHAPTER 25

Replacing Chassis Components

Replacing a T640 Craft Interface

Removing a T640 Craft Interface

Copyright © 2017, Juniper Networks, Inc.
Replacing a T640 Craft Interface on page 265
Replacing the T640 CIP on page 267
Replacing the T640 Alarm Relay Wires on page 270
Replacing the T640 Console or Auxiliary Cable on page 273
Replacing the T640 Management Ethernet Cable on page 275
Replacing a T640 SCG on page 277
The craft interface is hot-insertable and hot-removable. When you install the craft
interface, allow several minutes for the display to reflect the current state of the router.
Before you remove the craft interface, remove the front upper fan tray. For instructions
on removing a front fan tray,
on page 187.
Removing a T640 Craft Interface on page 265
1.
Installing a T640 Craft Interface on page 266
2.
The craft interface is located on the front of the chassis above the FPC card cage and
weighs approximately 2 lb (0.9 kg). To remove the craft interface (see
Figure 115 on page 266):
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
1.
the strap to one of the ESD points on the chassis.
Completely loosen the screws at the four corners of the craft interface.
2.
Insert the blade of a flat-blade screwdriver into the slot on one side of the craft
3.
interface, and then gently pry that side out from the chassis.
see"Removing the T640 Standard or Quiet Front Fan Trays"
265