Replacing The Mx480 Craft Interface; Interface; Removing The Mx480 Craft Interface; Figure 82: Alarm Relay Contacts - Juniper MX480 Hardware Manual

MX480 Universal Routing Platform Hardware Guide

Replacing the MX480 Craft Interface

See Also
228
1. Disconnecting the Alarm Relay Wires from the MX480 Craft Interface on page 228
Removing the MX480 Craft Interface on page 228
2.
Installing the MX480 Craft Interface on page 229
3.
Connecting the Alarm Relay Wires to the MX480 Craft Interface on page 230
4.
Disconnecting the Alarm Relay Wires from the MX480 Craft Interface
To disconnect the alarm relay wires from the router and an alarm-reporting device (see
Figure 82 on page 228):
Disconnect the existing wire at the external device.
1.
Attach an ESD grounding strap to your bare wrist and connect the strap to one of the
2.
ESD points on the chassis.
Using a 2.5-mm flat-blade screwdriver, loosen the small screws on the face of the
3.
terminal block and remove the block from the relay contact.
Using the 2.5-mm flat-blade screwdriver, loosen the small screws on the side of the
4.
terminal block. Remove existing wires from the slots in the front of the block.

Figure 82: Alarm Relay Contacts

Preventing Electrostatic Discharge Damage to an MX480 Router on page 388
Connecting the Alarm Relay Wires to the MX480 Craft Interface on page 219

Removing the MX480 Craft Interface

To remove the craft interface (see
Attach an ESD grounding strap to your bare wrist and connect the strap to one of the
1.
ESD points on the chassis.
Detach any external devices connected to the craft interface.
2.
Loosen the captive screws at the left and right corners of the craft interface faceplate.
3.
Figure 83 on page 229):
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