Installing An M320 Craft Interface; Figure 80: Removing The Craft Interface - Juniper M320 Hardware Manual

Installing an M320 Craft Interface

Copyright © 2010, Juniper Networks, Inc.
The craft interface is hot-insertable and hot-removable. The craft interface weighs
approximately 2 lb (0.9 kg). When you install the craft interface, allow several minutes
for the display to reflect the current state of the router.
To remove the craft interface (see Figure 80 on page 159):
NOTE: Removing the front upper fan tray before you remove the craft
interface might make it easier to grasp the craft interface as you remove it.
For instructions on removing a front fan tray, see "Removing an M320 Front
Fan Tray" on page 153.
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.
Remove the upper cable guards by loosening the three captive screws on each cable
2.
guard.
Completely loosen the four captive screws that attach the craft interface to the
3.
chassis.
Grasp the craft interface by the left and right flanges and carefully pull it straight out
4.
of the chassis.

Figure 80: Removing the Craft Interface

To install the craft interface (see Figure 81 on page 160):
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 left and right flanges, press it into place.
2.
Tighten the four captive screws to attach the craft interface to the chassis.
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.
Chapter 13: Replacing the M320 Router Hardware Components
159