Extreme networks 12802 User Manual
Extreme Networks 1200 W DC PSU
BlackDiamond 12800 Series Switches Hardware Installation Guide
31
NOTE
Extreme Networks does not recommended installing the 1200 W DC PSU with any AC PSU in the same
BlackDiamond 12804 system. Extreme Networks recommends that DC and AC PSU units not be used together in
the same BlackDiamond switch.
BlackDiamond 12804 system. Extreme Networks recommends that DC and AC PSU units not be used together in
the same BlackDiamond switch.
For central DC power connections, the 1200 W DC PSU is intended to be installed only in restricted access
locations (dedicated equipment rooms, equipment closets, or the like) in accordance with Articles 110-16, 110-17,
and 110-18 of the National Electric Code, ANSI/NFPA-70.
locations (dedicated equipment rooms, equipment closets, or the like) in accordance with Articles 110-16, 110-17,
and 110-18 of the National Electric Code, ANSI/NFPA-70.
WARNING!
Field operators must not attempt to open the 1200 W DC PSU enclosure for any reason; the PSU does not contain
user-serviceable parts. In the event of failure, return the defective 1200 W DC PSU to Extreme Networks for repair
or replacement.
user-serviceable parts. In the event of failure, return the defective 1200 W DC PSU to Extreme Networks for repair
or replacement.
Minimum Software Required
You must be running ExtremeWare XOS version 11.3 or later for the system to recognize the DC PSU.
LEDs
The front panel of the 1200 W DC PSU provides status LEDs.
identifies the symbols and
describes the LED activity.
Table 10: LEDs on the 1200 W DC PSU
PSU Condition
Power
Green
Green
Predictive Fail
Amber
Amber
Fail
Amber
Amber
Power supply DC outputs working normally
On
Off
Off
DC input power present/standby output on
Blinking
Off
Off
Current limit on 48 VDC output
On
Off
Blinking
Predictive failure
On
Blinking
Off
No input power to this PSU only
Off
Off
On
No input power to any PSU
Off
Off
Off
Power supply failure
Off
Off
On