Connecting Dpc, Mpc, Mic, Or Pic Cables To The Mx240 Router; Figure 77: Alarm Relay Contacts - Juniper MX240 Hardware Manual

See Also

Connecting DPC, MPC, MIC, or PIC Cables to the MX240 Router

Copyright © 2019, Juniper Networks, Inc.
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.

Figure 77: Alarm Relay Contacts

Connecting the Alarm Relay Wires to the MX240 Craft Interface on page 253
To connect the DPCs, MPCs, MICs, or PICs to the network (see
Figure 79 on page 211):
Have ready a length of the type of cable used by the component. For cable
1.
specifications, see the
MX Series Interface Module Reference
Remove the rubber safety plug from the cable connector port.
2.
Chapter 3: Initial Installation and Configuration
Figure 77 on page
Figure 78 on page 210
.
2
),
209):
and
209