Juniper M120 - Replacing Cooling System Components; Replacing an M120 Air Filter

Figure 55: M120 Routing Engine External Device Ports
Related
Documentation
M120 Power Supplies Description on page 71•
• Connecting the Grounding Cable to the M120 Router on page 151
• Powering On the M120 Router on page 170
• General Electrical Safety Warnings for Juniper Networks Devices on page 339
Connecting the M120 Router to an External Alarm-Reporting Device
To connect the router to external alarm-reporting devices, attach wires to the RED ALARM
and YELLOW ALARM relay contacts on the craft interface. A system condition that triggers
the red or yellow alarm LED on the craft interface also activates the corresponding alarm
relay contact.
161Copyright © 2018, Juniper Networks, Inc.
Chapter 20: Connecting the M120 to External Devices