Juniper Networks EX8208 - Manual (Page 77)

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
Description State LED
Indicates one of the following:
• Power supply is disconnected from DC power feed.
• DC power input voltage is not within normal
operating range (-40 VDC through -72 VDC).
• No DC power input.
Unlit A IN OK
• DC power input voltage is within normal operating
range (–40 VDC through –72 VDC). Green
• DC input is present on the terminals but either the
fuse is tripped or the ORing diode is open. Yellow
• DC power input voltage is reversed in polarity.
NOTE: The DC power supply is protected against
reverse polarity input for both DC input feeds.
Red
51 Copyright © 2010, Juniper Networks, Inc.
Chapter 2: Component Descriptions