IQH3A IQ 3U Modular Enclosure
www.snellgroup.com
Installation
Issue 2 Rev 2
Page 23
©
2014 Snell Limited
3.8 Power Standby Switches
3.9 Power LEDs
l
The standby switches are located behind the
handle on the front panel of each power
supply.
Power ON is indicated by the illumination of
LEDs V1 and V2.
These bi-color LEDs are green if the PSU is
supplying power to the rack, and turn red if
the associated regulation unit has failed.
•
V1
indicates the presence of the
positive power supply.
•
V2
indicates the presence of the
negative power supply.
Note:
The LEDs will be red if the PSU is unpowered or on standby, provided that the other PSU is
functioning.