Connecting The Alarm Relay Wires To The Mx480 Craft Interface; Figure 79: Installing The Craft Interface; Figure 80: Alarm Relay Contacts - Juniper MX480 Hardware Manual

Connecting the Alarm Relay Wires to the MX480 Craft Interface

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Copyright © 2011, Juniper Networks, Inc.
Align the bottom of the craft interface with the sheet metal above the card cage and
4.
press it into place.
Tighten the screws on the left and right corners of the craft interface faceplate.
5.
Reattach any external devices connected to the craft interface.
6.

Figure 79: Installing the Craft Interface

To connect the alarm relay wires between a router and an alarm-reporting device (see
Figure 80 on page 159):
Prepare the required length of replacement wire with gauge between 28-AWG and
1.
14-AWG (0.08 and 2.08 mm
Insert the replacement wires into the slots in the front of the block. Use a 2.5-mm
2.
flat-blade screwdriver to tighten the screws and secure the wire.
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
3.
the strap to one of the ESD points on the chassis.
Plug the terminal block into the relay contact, and use a 2.5-mm flat-blade screwdriver
4.
to tighten the screws on the face of the block.
Attach the other end of the wires to the external device.
5.

Figure 80: Alarm Relay Contacts

Preventing Electrostatic Discharge Damage to an MX480 Router on page 232
Chapter 14: Replacing MX480 Hardware Components
2
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159