Removing The M120 Craft Interface; Figure 56: Removing The M120 Craft Interface - Juniper M120 Hardware Manual

M120 Multiservice Edge Router Hardware Guide

Removing the M120 Craft Interface

130
The craft interface is hot-insertable and hot-removable. It weighs approximately
1.6 lb (.73 kg). When the craft interface is removed, you cannot control or communicate
with the router using an external device. When you install the craft interface, allow several
minutes for the display to reflect the current state of the router.
To replace the craft interface, perform the following procedures:
Removing the M120 Craft Interface on page 130
Installing the M120 Craft Interface on page 131
The craft interface is located on the front of the chassis above the FPC card cage. The
craft interface weighs approximately 1.6 lb (0.73 kg).
To remove the craft interface (see Figure 56 on page 130):
NOTE: Removing the front upper fan tray before you remove the craft
interface makes it easier to grasp the craft interface as you remove it. For
instructions on removing a front fan tray, see "Replacing an M120 Fan Tray"
on page 134.
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.
With a 3/8-inch nut driver or pliers, loosen and remove the two nuts that secure the
2.
craft interface to the chassis. Also remove the two washers located behind the nuts.
Grasp the craft interface by the left and right flanges and carefully pull it straight out
3.
of the chassis.

Figure 56: Removing the M120 Craft Interface

Copyright © 2010, Juniper Networks, Inc.