Related
Documentation
Calculating Power Requirements for the SRX5400 Services Gateway on page 93
•
•
SRX5400 Services Gateway DC Power Supply Specifications on page 115
•
DC Power Source Cabling for the SRX5400 Services Gateway on page 118
•
DC Power Cable Specifications for the SRX5400 Services Gateway on page 116
•
DC Power Cable Lug Specifications for the SRX5400 Services Gateway on page 117
DC Power Source Cabling for the SRX5400 Services Gateway
shows a typical DC source cabling arrangement.
Figure 60: Typical DC Source Cabling to the Services Gateway
The DC power supplies in slots
PEM0
and
PEM1
must be powered by dedicated power
feeds derived from feed A, and the DC power supplies in slots
PEM2
and
PEM3
must be
powered by dedicated power feeds derived from feed B. This configuration provides the
commonly deployed A/B feed redundancy for the system.
CAUTION:
You must ensure that power connections maintain the proper
polarity. The power source cables might be labeled
(+)
and
(–)
to indicate
their polarity. There is no standard color coding for DC power cables. The
color coding used by the external DC power source at your site determines
the color coding for the leads on the power cables that attach to the terminal
studs on each power supply.
WARNING:
For field-wiring connections, use copper conductors only.
CAUTION:
Power cords and cables must not block access to device
components or drape where people could trip on them.
Copyright © 2017, Juniper Networks, Inc.
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