Juniper Junos Space JA1500, Hardware Manual

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Figure 21: Installing a Fan
When you install a replacement fan, the cooling load is distributed back evenly across
both the fans, and the Hardware Fault LED stops blinking and the alarm turns off.
Related
Documentation
Field-Replaceable Units on the JA2500 Junos Space Appliance on page 13
•
•
Installing and Removing JA2500 Junos Space Appliance Hardware Components on
page 123
Replacing the Hard Disk on a JA2500 Junos Space Appliance
The Junos Space JA2500 appliance ships with six hard disk drives in RAID 10 array
configuration. The hot-swappable drives are externally accessible in field-replaceable
trays. You can remove and replace a hard disk without powering off the appliance or
disrupting any functions performed by the appliance. If a hard drive fails, the Hard Disk
Fault LED on the hard disk turns on and an alarm sounds.
Figure 22: JA2500 Appliance Hard Disk Status LEDs
2— 1— Hard Disk Fault LED Hard Disk Activity LED
Ensure that you have the following parts and tools available to remove the hard disk
from the appliance chassis:
•
(Optional) Electrostatic discharge (ESD) grounding strap
•
Flat screwdriver
135 Copyright © 2018, Juniper Networks, Inc.
Chapter 11: Replacing Hardware Components