Replacing The Mx480 Craft Interface; Disconnecting The Alarm Relay Wires From The Mx480 Craft Interface; Figure 76: Installing The Air Filter - Juniper MX480 Hardware Manual

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Replacing the MX480 Craft Interface

Disconnecting the Alarm Relay Wires from the MX480 Craft Interface

Copyright © 2011, Juniper Networks, Inc.

Figure 76: Installing the Air Filter

Preventing Electrostatic Discharge Damage to an MX480 Router on page 232
Maintaining the MX480 Air Filter on page 116
MX480 Cooling System Description on page 38
Troubleshooting the MX480 Cooling System on page 144
Disconnecting the Alarm Relay Wires from the MX480 Craft Interface on page 157
1.
Removing the MX480 Craft Interface on page 158
2.
Installing the MX480 Craft Interface on page 158
3.
Connecting the Alarm Relay Wires to the MX480 Craft Interface on page 159
4.
To disconnect the alarm relay wires from the router and an alarm-reporting device (see
Figure 77 on page 158):
Disconnect the existing wire at the external device.
1.
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
2.
the strap to one of the 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.
Chapter 14: Replacing MX480 Hardware Components
157