Connecting The Mx480 Router To An External Alarm-Reporting Device; Figure 76: Auxiliary And Console Ports; Figure 77: Routing Engine Console And Auxiliary Cable Connector - Juniper MX480 Hardware Manual

Connecting the MX480 Router to an External Alarm-Reporting Device

Copyright © 2019, Juniper Networks, Inc.

Figure 76: Auxiliary and Console Ports

Figure 77: Routing Engine Console and Auxiliary Cable Connector

To connect the router to external alarm-reporting devices, attach wires to the
YELLOW relay contacts on the craft interface. (See
condition that triggers the red or yellow alarm LED on the craft interface also activates
the corresponding alarm relay contact.
The terminal blocks that plug into the alarm relay contacts are supplied with the router.
They accept wire of any gauge between 28-AWG and 14-AWG (0.08 and 2.08 mm
which is not provided. Use the gauge of wire appropriate for the external device you are
connecting.
To connect an external device to an alarm relay contact (see
Prepare the required length of wire with gauge between 28-AWG and 14-AWG (0.08
1.
2
and 2.08 mm ).
While the terminal block is not plugged into the relay contact, use a 2.5-mm flat-blade
2.
screwdriver to loosen the small screws on its side. With the small screws on its side
facing left, insert wires into the slots in the front of the block based on the wiring for
the external device. Tighten the screws to secure the wire.
Plug the terminal block into the relay contact, and use a 2.5-mm flat-blade screwdriver
3.
to tighten the screws on the face of the block.
Attach the other end of the wires to the external device.
4.
To attach a reporting device for the other kind of alarm, repeat the procedure.
Chapter 3: Initial Installation and Configuration
Figure 78 on page 218.) A system
Figure 78 on page
and
RED
2
),
218):
217