Installing a DC Power Supply Module
To install a DC power supply module:
1.
(Optional) Attach an electrostatic discharge (ESD) grounding strap to your bare wrist,
and connect the strap to an external ESD point.
2.
Taking care not to touch power supply pins, leads, or solder connections, remove the
replacement power supply module from the bag.
3.
Using both hands, slide the replacement power supply module straight into the chassis,
as shown in
, until the power supply is fully seated in the chassis
slot and the ejector lever locks.
Figure 61: Installing a DC Power Supply Module
1— Power supply ejector lever
4.
Connect the DC source power to the appliance. For more information, see
DC Power to the NSM4000 Appliance” on page 37
.
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 Cable on an NSM4000 Appliance on page 115
Replacing the Fan on an NSM4000 Appliance
The NSM4000 appliance ships with two field-replaceable fans that are hot-swappable.
You can remove and replace a fan without powering off the appliance or disrupting any
functions.
When a fan fails, the full cooling load switches to the remaining fan and the red Hardware
Fault LED on the front panel of the appliance blinks and an alarm sounds.
NOTE:
The LEDs on the front panel of the NSM4000 are arranged vertically,
as shown in
.
119
Copyright © 2016, Juniper Networks, Inc.
Chapter 12: Replacing Hardware Components
Содержание NSM4000
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