Removing The Craft Interface; Installing The Craft Interface; Replacing Alarm Relay Wires; Replacing The Craft Interface - Juniper MX240 Hardware Manual

Table 24: Tools and Parts Required (continued)

Replacing the Craft Interface

The craft interface is located above the DPC card cage, as shown in
Figure 1 on page 6. It houses the alarm relay interface ports and indicates status
of router components.
The craft interface is hot-insertable and hot-removable. It weighs approximately
1.1 lb (0.50 kg). 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, use the following procedures:

Removing the Craft Interface

To remove the craft interface (see Figure 36 on page 90):
1.
2.
3.
Tool or part
Phillips (+) screwdrivers, numbers 1
and 2
Rubber safety cap
Wire cutters
Removing the Craft Interface on page 89
Installing the Craft Interface on page 90
Replacing Alarm Relay Wires on page 91
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist and
connect the strap to one of the ESD points on the chassis. For more information
about ESD, see "Preventing Electrostatic Discharge Damage" on page 130.
Detach any external devices connected to the craft interface.
Loosen the captive screws at the top left and right corners of the craft interface
faceplate.
Chapter 13: Replacing Hardware Components
Components
Air filter
Routing Engine
Craft interface
SCB
Cables and connectors
Fan tray
DPC
Cables and connectors
DC power supply
Replacing the Craft Interface
89