Connecting An Mx2020 Router To An External Alarm-Reporting Device; Figure 132: Console And Auxiliary Ports; Figure 133: Console And Auxiliary Cable Connector; Table 84: Console And Auxiliary Ports On The Mx2020 Cb-Re - Juniper MX2020 Hardware Manual

Connecting an MX2020 Router to an External Alarm-Reporting Device

Copyright © 2015, Juniper Networks, Inc.

Figure 132: Console and Auxiliary Ports

1 2 3

Figure 133: Console and Auxiliary Cable Connector

Table 84: Console and Auxiliary Ports on the MX2020 CB-RE

Function No.
1
2
To connect the router to external alarm-reporting devices, attach wires to the
relay contacts on the craft interface, (see
YELLOW
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,
(see Table 85 on page 278). They accept wire of any gauge between 28 AWG and 14 AWG
2
(0.08 and 2.08 mm ); the wire 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. With the small screws 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 20: Connecting the Router to the Network
Label Description
AUX Connect a laptop, modem, or other
auxiliary unit.
Connect a laptop or console terminal
CONSOLE
to configure the MX2020 router.
Figure 134 on page
RED and
278). A system
Figure 134 on page 278).
277