Powering Off The T640 Router - Juniper T640 Hardware Manual

T640 Core Router Hardware Guide
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Powering Off the T640 Router

168
Verify that the LED on the AC power supply faceplate is lit steadily, indicating
9. DC OK
that power supply is correctly installed, functioning properly, and providing power to
the DC outputs.
On the external management device connected to the Routing Engine, monitor the
10.
startup process to verify that the system has booted properly.
NOTE: If the system is completely powered off when you power on the power
supply, the Routing Engine boots as the power supply completes its startup
sequence. If the Routing Engine finishes booting, you must power off the
router before powering it on again. After powering on a power supply, wait
at least 60 seconds before turning it off. After powering off a power supply,
wait at least 60 seconds before turning it back on.
T640 Three-Phase Delta and Wye AC Power Supply Description on page 71
Connecting AC Power to a T640 Router with Three-Phase Delta AC Power Supplies
on page 163
Connecting AC Power to a T640 Router with Three-Phase Wye AC Power Supplies on
page 165
Powering Off the T640 Router on page 168
T640 Preventing Electrostatic Discharge Damage on page 386
T640 General Electrical Safety Guidelines and Electrical Codes on page 404
T640 AC Power Electrical Safety Guidelines on page 413
T640 Preventing Electrostatic Discharge Damage on page 386
To power off a T640 router:
On the external management device connected to the Routing Engine, issue the
1.
operational mode command. The command shuts down both
request system halt
Routing Engines cleanly, so their state information is preserved. (If the router contains
only one Routing Engine, issue the
user@host> request system halt both-routing-engines
For more information about these commands, see request system halt.
Wait until a message appears on the console confirming that the operating system
2.
has halted.
Halt the system ? [yes,no] (no) yes
*** FINAL System shutdown message from root@section2 ***
System going down IMMEDIATELY
Terminated
request system halt command.)
Copyright © 2013, Juniper Networks, Inc.