Table 8: SRX4100 Services Gateway Back Panel Components (continued)
DescriptionComponentNumber
Use this button to turn off an alarm triggered because of an
abnormal DC output voltage caused by any of the following:
•
Only one power supply unit is plugged in.
•
The AC power cord is not plugged in.
•
The power supply unit is not functional and there is no DC
output.
Alarm Off button3
For personal safety, while working on the services gateway, use
the ESD outlet to plug in an ESD grounding strap to prevent your
body from sending static charges to the services gateway.
ESD point4
Four fans for cooling the services gateway and its components.
Three fans are required for proper air flow across the chassis
internal components. The fourth fan is a redundant fan.
Fans5
Two power supply slots. Each power supply contains a power
cord outlet. Two 650-W DC or AC power supplies are provided
with the services gateway.
Power supply6
Related
Documentation
Understanding the SRX4100 Services Gateway Front Panel on page 5•
• Field-Replaceable Units in SRX4100 Services Gateways on page 9
• SRX4100 Services Gateway Physical Specifications on page 19
• SRX4100 Services Gateway Environmental Specifications on page 20
Field-Replaceable Units in SRX4100 Services Gateways
Field-replaceable units (FRUs) are components that you can replace at your site. The
FRUs on the SRX4100 Services Gateway are hot-removable and hot-insertable. You can
remove and replace them without powering off the services gateway. The services
gateway supports the following FRUs:
•
AC power supplies
•
DC power supplies
Related
Documentation
• Understanding the SRX4100 Power Supply on page 13
9Copyright © 2017, Juniper Networks, Inc.
Chapter 2: Chassis Components and Descriptions
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