Disconnecting The Alarm Relay Wires From The Mx480 Craft Interface; Removing The Mx480 Craft Interface - Juniper MX480 Hardware Manual

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 85 on page 283):
1. Disconnect the existing wire at the external device.
2. Wrap and fasten one end of the ESD grounding strap around your bare wrist, and connect the other
end of the strap to the ESD point on the chassis.
3. Using a 2.5-mm flat-blade screwdriver, loosen the small screws on the face of the terminal block and
remove the block from the relay contact.
4. Using the 2.5-mm flat-blade screwdriver, loosen the small screws on the side of the terminal block.
Remove existing wires from the slots in the front of the block.
Figure 85: Alarm Relay Contacts
SEE ALSO
Preventing Electrostatic Discharge Damage to an MX480 Router | 477
Connecting the Alarm Relay Wires to the MX480 Craft Interface | 270

Removing the MX480 Craft Interface

To remove the craft interface (see
1. Wrap and fasten one end of the ESD grounding strap around your bare wrist, and connect the other
end of the strap to the ESD point on the chassis.
2. Detach any external devices connected to the craft interface.
3. Loosen the captive screws at the left and right corners of the craft interface faceplate.
Figure 86 on page 284):
283