Juniper PTX10008 Hardware Manual page 352

To power off and remove a PTX10008 router, refer to the following sections:
Powering Off a PTX10000
Before you power off a PTX10000:
Ensure that you have taken the necessary precautions to prevent electrostatic discharge (ESD) damage.
See "Prevention of Electrostatic Discharge Damage" on page
Ensure that you do not need to forward traffic through the router.
Ensure that you have the following parts and tools available to power off the router:
An ESD grounding strap
An external management device such as a PC
An RJ-45 to DB-9 rollover cable to connect the external management device to the console port on one
of the RCBs
To power off a PTX10000:
1. Connect to the router using one of the following methods:
Connect a management device to the console (CON) port on a RCB by following the instructions in
"Connecting a PTX10000 Router to a Management Console" on page
Connect a management device to one of the two management (MGMT) ports on the RCB by following
the instructions in "Connecting a PTX10000 to a Network for Out-of-Band Management" on page
2. Shut down Junos OS from the external management device by issuing the request vmhost halt
operational mode CLI command. This command shuts down the router gracefully and preserves system
state information. A message appears on the console, confirming that the operating system has halted.
You see the following output (or something similar, depending on the hardware being shut down) after
entering the command:
Shutdown NOW!
System going down IMMEDIATELY
Terminated
Poweroff for hypervisor to respawn
Oct 25 10:35:05 init: event-processing (PID 1114) exited with status=1
Oct 25 10:35:05 init: packet-forwarding-engine (PID 1424) exited with status=8
.
Waiting (max 60 seconds) for system process `vnlru_mem' to stop...done
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