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NOTE: EX8208 switches support 2000 W DC power supplies.
EX8216 switches support 3000 W DC power supplies.
Figure 29: DC Power Supply LEDs in an EX8200 Switch
Table 28 on page 51 describes the LEDs on a DC power supply in EX8200 switches.
Table 28: DC Power Supply LEDs in EX8200 Switches
DescriptionStateLED
Indicatesone of the following:
•
Powersupplyis disconnected from DC power feed.
•
DC power input voltageis not within normal
operating range (-40 VDC through-72 VDC).
•
No DC power input.
UnlitA IN OK
•
DC power input voltageis within normal operating
range (–40 VDC through–72 VDC).
Green
•
DC input is presenton the terminalsbut either the
fuse is trippedor the ORing diode is open.
Yellow
•
DC power input voltageis reversedin polarity.
NOTE: The DC powersupplyis protectedagainst
reversepolarityinput for both DC input feeds.
Red
51Copyright©2010, JuniperNetworks, Inc.
Chapter2:ComponentDescriptions