Juniper MX480, Hardware Manual

Page: 230 / 420

Figure 84: Installing the Craft Interface
Connecting the Alarm Relay Wires to the MX480 Craft Interface
To connect the alarm relay wires between a router and an alarm-reporting device (see
Figure 81 on page 220 ):
1.
Prepare the required length of replacement wire with gauge between 28-AWG and
14-AWG (0.08 and 2.08 mm
2
).
2.
Insert the replacement wires into the slots in the front of the block. Use a 2.5-mm
flat-blade screwdriver to tighten the screws and secure the wire.
3.
Attach an ESD grounding strap to your bare wrist and connect the strap to one of the
ESD points on the chassis.
4.
Plug the terminal block into the relay contact, and use a 2.5-mm flat-blade screwdriver
to tighten the screws on the face of the block.
5.
Attach the other end of the wires to the external device.
Figure 85: Alarm Relay Contacts
Copyright © 2019, Juniper Networks, Inc. 230
MX480 Universal Routing Platform Hardware Guide