Connecting the DC Power Supply Cable
To connect a DC power supply cable to an NSM4000 appliance:
1.
(Optional) Attach an electrostatic discharge (ESD) grounding strap to your bare wrist,
and connect the strap to an external ESD point.
2.
Switch off the external circuit breakers, if they are present, for all the cables attached
to the power supply. Make sure that the voltage across the DC power source cable
leads is 0 V and that there is no chance that the cables might become active during
the removal process.
3.
Remove the clear plastic cover over the terminal studs on the faceplate.
4.
Attach the power cable to the DC power source. For more information on how to
connect the DC power cables to the appliance, see
.
5.
Replace the clear plastic cover over the terminal studs on the faceplate.
6.
Connect the grounding lug to the grounding terminal.
7.
Switch on the external circuit breakers, if they are present, for all the cables attached
to the power supply.
The NSM4000 appliance starts powering on when you supply power to the power supply
module. If the power supply module is correctly installed and functioning normally, the
LED on the power supply module displays green when the power supply module is
powering the appliance, and amber when the power supply module is in standby mode
(not powering the appliance).
Related
Documentation
DC Power Supply in the NSM4000 Appliance on page 17
•
•
Field-Replaceable Units on the NSM4000 Appliance on page 13
•
Replacing the DC Power Supply Module on an NSM4000 Appliance on page 117
Replacing the DC Power Supply Module on an NSM4000 Appliance
Ensure that you have the following parts and tools available to replace the power supply
module from the appliance chassis:
•
(Optional) ESD grounding strap
•
Phillips (+) screwdriver, number 2
•
An antistatic bag or an antistatic mat
NOTE:
If only one power supply module is installed in your NSM4000
appliance, you must power off the appliance before replacing the power
supply module.
117
Copyright © 2016, Juniper Networks, Inc.
Chapter 12: Replacing Hardware Components
Содержание NSM4000
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