Connecting The M120 Router To An External Clocking Device; Figure 56: M120 Routing Engine Alarm Relay Contacts - Juniper M120 Hardware Manual

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Connecting the M120 Router to an External Clocking Device

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Figure 56: M120 Routing Engine Alarm Relay Contacts

If attaching a reporting device for the other kind of alarm, repeat the procedure.
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
The M120 router contains two external clock input (
of the craft interface labeled
Chapter 20: Connecting the M120 to External Devices
EXT CLOCK
A or B .
) ports on the front panel
163