Removing A T640 Craft Interface; Installing A T640 Craft Interface; Figure 99: Removing A Craft Interface - Juniper T640 Hardware Manual

Removing a T640 Craft Interface

Installing a T640 Craft Interface

Copyright © 2010, Juniper Networks, Inc.
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 99 on
page 197):
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.
Repeat Step 3 for the other side of the craft interface.
4.
Grasp the craft interface by the top and bottom edges, and carefully pull it straight
5.
out of the chassis.

Figure 99: Removing a Craft Interface

To install the craft interface (see Figure 100 on page 198):
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.
Grasping the craft interface by the top and bottom edges, press it into place.
2.
Tighten the screws at the corners of the craft interface.
3.
NOTE: When you install the craft interface in an operating router, allow
several minutes for the LEDs on the craft interface to reflect the current
state of the router.
After you install the replacement craft interface, immediately reinstall the upper front
fan tray.
Chapter 17: Replacing T640 Router Hardware Components
197